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When purchasing a product, price is the consumer's primary concern. At present, FASTSTORM has 20 products for sale. FASTSTORM products range in price from $12.98 to $39.98, and the average price of all the products is about $28.6.

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Last Updated: Jan 10, 2026

FASTSTORM Dual Electric Fan Relay Kit Electric Radiator Fan Kit Temperature Sensor Switch 185 On 175 Off Automotive Wiring Kit 60 Amp Cooling Fan Relay Switch Kit 4 Pin Waterproof Relay Kit

Engine Radiator Cooling Fan Motor Relays
FASTSTORM Dual Electric Fan Relay Kit Electric Radiator Fan Kit Temperature Sensor Switch 185 On 175 Off Automotive Wiring Kit 60 Amp Cooling Fan Relay Switch Kit 4 Pin Waterproof Relay Kit Cover
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Efficient Cooling: This dual electric fan relay kit is the perfect solution for your vehicle's cooling system. Compatible with 10", 12", 14", and 16" fans, it includes a 60 amp relay, 4-pin relay, and relay switch. Whether you're upgrading your system with an electric fan conversion kit or replacing old components, this electric radiator fan kit ensures efficient cooling and prevents engine overheating, providing reliable performance when you need it most
Temperature-Controlled: With a 185°F on / 175°F off thermostat switch, this kit ensures your fans activate at 185°F and turn off at 175°F. The cooling fan relay helps maintain your engine's temperature within the optimal range, preventing overheating. The radiator fan switch ensures the fan only operates when needed, enhancing performance and efficiency. This cooling fan switch prolongs engine life and improves overall cooling, making it perfect for keeping your engine cool
Easy Installation: Installation is made simple with the included wiring diagram. The electric fan wiring kit provides all the components you need: red to +12VDC, blue to the fan relay, yellow to ignition, and grey to the cooling fan switch. Whether you need a dual fan relay kit or are working with a single fan setup, this kit is designed for versatile use. All necessary parts are included, from fan harness with relay to fuse holders, ensuring a hassle-free installation
Waterproof Fuse Holders: Built to withstand extreme conditions, this electric fan controller kit features waterproof fuse holders and reliable components. The cooling fan control relay is durable and operates in all weather, ensuring your fans work when needed. The included radiator fan controller and dual electric fan relay kit offer precise cooling control, keeping your engine temperature in check, even in challenging environments. It's built to last and perform under demanding conditions
Widely Compatible: This dual electric fan relay kit is compatible with various vehicles, including trucks, cars, boats, and more. It's ideal for use in a cooler kit with thermostat or as a radiator fan mounting kit. The auto fan controller provides precise temperature control, while the electric fan kit works perfectly for both single and dual fan setups. Whether upgrading your cooling system or replacing components, this kit is versatile and designed for wide application

FASTSTORM 200A 12-48V High Current Master Battery Disconnect Switch Battery Power Cut Off Isolator Killer Switch with Face Plate for Car Vehicle RV Truck Boat Marine ATV

Car Battery Switches
FASTSTORM 200A 12-48V High Current Master Battery Disconnect Switch Battery Power Cut Off Isolator Killer Switch with Face Plate for Car Vehicle RV Truck Boat Marine ATV Cover
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[Zero-Noise Safety Guardian] Our 12V battery disconnect switch used for 12-48 VDC systems to isolate and secure the electrical system, operates silently with no humming or buzzing, ensuring peace of mind while maintaining ultimate protection. It instantly cuts power to prevent battery drain, electrical fires, and accidental discharge – perfect for cars, RVs, boats, and solar systems
[200A Heavy-Duty Power disconnect switch ] Engineered for extreme conditions, this rugged aluminum alloy switch design withstand saltwater, vibration, handles 200A continuous/1000A intermittent duty. Built to thrive in marine, off-road, and solar environments, it delivers unmatched durability for ATVs, trucks, UTVs, and solar panel arrays
[3-Minute Hassle-Free Install] Pre-drilled holes and universal 12V compatibility let you secure your electrical system in minutes –Step 1: Disconnect the battery and choose the negative cable; Step 2: Choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables ( DO NOT ATTACH AT THE SAME TIME to shut off the switch ), then install the switch; Step 4: Reconnect the battery and check for correct operation
[Battery Life Defender] Eliminates parasitic drain by 100% isolating batteries during storage. Protect your RV/marine battery from winter kill or theft while preserving power for emergency starts. Battery Power Shut Off Switch features clear ON/OFF markings and an audible click for confident operation
[Buy with confidence] This battery disconnect switch comes complete with a 1-Year warranty. If the shut-off switch ever fails on your ATVs, Trailers, Off-road, RVs, Trucks, Heavy Vehicle, UTV, Boats, Cars during this period, please feel free to contact us for a replacement. Save time and money by purchasing this part, replacing them by yourself within minutes.

FASTSTORM Electric Fan Relay Kit 12V 60 AMP Electric Radiator Cooling Waterproof Fan Relay Kit with Thermostat Control Switch 185 On 175 Off Upgrade

Engine Radiator Cooling Fan Motor Relays
FASTSTORM Electric Fan Relay Kit 12V 60 AMP Electric Radiator Cooling Waterproof Fan Relay Kit with Thermostat Control Switch 185 On 175 Off Upgrade Cover
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Efficient Cooling Performance: This electric fan relay kit ensures reliable cooling with a 60 amp relay and 4-pin waterproof relay. Compatible with 10", 12", 14", and 16" fans, it prevents engine overheating and is ideal for electric fan conversion kits or replacing old components. The electric radiator fan kit offers dependable performance in all driving conditions, boosting your vehicle's cooling efficiency
Precise Temperature Control: Equipped with a 185°F on / 175°F off thermostat switch, this kit keeps your engine at an optimal temperature. The cooling fan relay activates the fan at 185°F and turns it off at 175°F, preventing overheating and unnecessary fan operation. The radiator fan switch ensures precise cooling, enhancing engine lifespan and improving overall performance
Easy Installation with Complete Kit: Install effortlessly with the included electric fan wiring kit and wiring diagram. Connect the red wire to +12VDC, blue to the fan relay, yellow to ignition, and gray to the cooling fan switch. This kit contains everything you need for a seamless installation, whether you're setting up a single fan or working with a dual electric fan relay kit
Durable, Waterproof Fuse Holders: The fan relay kit features waterproof fuse holders and high-quality components built to last. The cooling fan relay operates reliably in all weather conditions, ensuring your fans work when needed. The included electric fan controller kit provides precise fan activation, delivering robust and consistent cooling for your vehicle
Widely Compatible: This electric radiator fan kit is designed for single fan setups and fits a wide range of vehicles, including cars, trucks, boats, and more. Perfect for use with cooling fan wiring harness kits or electric fan wiring kits, it provides precise cooling control. The fan control kit ensures optimal performance and compatibility, making it ideal for various vehicles requiring a single cooling fan.

FASTSTORM Side Post Remote Battery Disconnect Switch 12V, 250A Negative Battery Cut Off Switch Anti-Theft Kill Switch Kit Upgrade Prevent Battery Drain for Car Truck, RV Auto, Boat,Vehicle etc

Car Battery Switches
FASTSTORM Side Post Remote Battery Disconnect Switch 12V, 250A Negative Battery Cut Off Switch Anti-Theft Kill Switch Kit Upgrade Prevent Battery Drain for Car Truck, RV Auto, Boat,Vehicle etc Cover
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Safety Protection:The remote battery disconnect switch easily solves the problem of battery drain protects the circuit, but also reduces the risk of theft occurs. The battery is via the remote switch, which also reduces the risk of theft occurs. You simply press the remote control button to disconnect your car power system, easy to use and improve security
Easy Installation: Please turn off the power before installation! This car remote battery kill switch adopts the negative connection method, fix the battery clip to the negative pole of the battery, connect the red wire to the positive pole of the battery, it protect the safety of the circuit environment and suitable for most car types of circuit installation. Our upgraded version reduces a black power cord, making installation simpler than other products
Wide Applications: Our 250A car battery disconnect switch comes with two paired wireless remote fobs, the remote control can be controlled within 100 meters, This 12v remote control switch is suitable for Car, Truck, Boat, RV, Travel Trailer, Camper, SUV, ATV, UTV, Marine, Van, Agricultural Vehicle Trike Auto Off Road Jeep
Premium Quality: Premium Quality: Our top post remote battery disconnect switch is made with high-quality materials and pure copper wire, designed for a 15-17mm Tapering Post, which have larger rivers for better reception performance. Remote battery kill switch Instantaneous current of up to 450A rated current of up to 250A
Buy with Confidence: If the remote battery disconnect switch cannot be used normally after installation, please check whether the circuit is installed normally or send email to contact us. We will reply your email as soon as possible. We go out of our way to make sure every customer is happy and satisfied with our product and service

FASTSTORM Dual Electric Fan Relay Kit Electric Radiator Fan Kit Temperature Sensor Switch 200 On 185 Off Automotive Wiring Kit 60 Amp Cooling Fan Relay Switch Kit 4 Pin Waterproof Relay Kit

Engine Radiator Cooling Fan Motor Relays
FASTSTORM Dual Electric Fan Relay Kit Electric Radiator Fan Kit Temperature Sensor Switch 200 On 185 Off Automotive Wiring Kit 60 Amp Cooling Fan Relay Switch Kit 4 Pin Waterproof Relay Kit Cover
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Simple Wiring with Clear Diagram: The Dual Electric Fan Relay Kit includes an easy - to - follow wiring diagram, simplifying dual - fan wiring. Connect the RED wire to the 12VDC Positive Battery Terminal, the BLUE to Fan Positive, the GREY to Sending Unit, and the YELLOW to Ignition as per the diagram. This direct - replacement part fits 10 - inch, 12 - inch, 14 - inch, and 16 - inch cooling fans
Precise Temperature Control: The included temperature switch in this electric radiator fan kit turns on the fan at approximately 200 °F and turns it off at 185 °F. The temp sensor features a 3/8 - inch pipe thread, and a 1/2 - inch adapter is provided. This ensures accurate temperature regulation for your vehicle's cooling system
Complete Kit for Hassle - Free Installation: This electric cooling fan kit contains everything you need for a seamless installation. It includes a 60A relay, wiring harness, temperature switch, 3/8 - inch to 1/2 - inch adapter, 2 inline fuse holder, 4 20 - amp fuses, 1 spade connector for the temp sensor, 8 ring terminals, and 4 wire connectors. It's a comprehensive 60 - amp cooling fan relay switch kit
OE - Style Temperature Switch Mounting: The temperature switch supplied with this kit is of OE style, designed to be mounted in the cylinder head of the engine or any water jacket if necessary. For proper functionality, the temperature switch MUST be grounded through the threads to the engine, and the engine MUST also be grounded. This ensures reliable operation of the automotive wiring kit
Widely Compatible: This dual electric fan relay kit is compatible with various vehicles, including trucks, cars, boats, and more. It's ideal for use in a cooler kit with thermostat or as a radiator fan mounting kit. The auto fan controller provides precise temperature control, while the electric fan kit works perfectly for both single and dual fan setups. Whether upgrading your cooling system or replacing components, this kit is versatile and designed for wide application

FASTSTORM 200A High Current Master Battery Disconnect Switch,12-48V Battery Power Cut Off Isolator Killer Switch with Face Plate for Car Vehicle RV Truck Boat Marine ATV

Car Battery Switches
FASTSTORM 200A High Current Master Battery Disconnect Switch,12-48V Battery Power Cut Off Isolator Killer Switch with Face Plate for Car Vehicle RV Truck Boat Marine ATV Cover
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[Zero-Noise Safety Guardian] Our 12V battery disconnect switch used for 12-48 VDC systems to isolate and secure the electrical system, operates silently with no humming or buzzing, ensuring peace of mind while maintaining ultimate protection. It instantly cuts power to prevent battery drain, electrical fires, and accidental discharge – perfect for cars, RVs, boats, and solar systems
[200A Heavy-Duty Power disconnect switch ] Engineered for extreme conditions, this rugged aluminum alloy switch design withstand saltwater, vibration, handles 200A continuous/1000A intermittent duty. Built to thrive in marine, off-road, and solar environments, it delivers unmatched durability for ATVs, trucks, UTVs, and solar panel arrays
[3-Minute Hassle-Free Install] Pre-drilled holes and universal 12V compatibility let you secure your electrical system in minutes –Step 1: Disconnect the battery and choose the negative cable; Step 2: Choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables ( DO NOT ATTACH AT THE SAME TIME to shut off the switch ), then install the switch; Step 4: Reconnect the battery and check for correct operation
[Battery Life Defender] Eliminates parasitic drain by 100% isolating batteries during storage. Protect your RV/marine battery from winter kill or theft while preserving power for emergency starts. Battery Power Shut Off Switch features clear ON/OFF markings and an audible click for confident operation
[Buy with confidence] This battery disconnect switch comes complete with a 1-Year warranty. If the shut-off switch ever fails on your ATVs, Trailers, Off-road, RVs, Trucks, Heavy Vehicle, UTV, Boats, Cars during this period, please feel free to contact us for a replacement. Save time and money by purchasing this part, replacing them by yourself within minutes.

FASTSTORM 12 Way Fuse Block, Fuse Blocks 12 Volt Automotive with LED Indicator Water Resistant Marine Fuse Panel, Fuse Box 12V with 36 Blade Fuses for 12V/24V Auto Boat RV Golf Cart Truck Car Marine

Car Fuse Boxes
FASTSTORM 12 Way Fuse Block, Fuse Blocks 12 Volt Automotive with LED Indicator Water Resistant Marine Fuse Panel, Fuse Box 12V with 36 Blade Fuses for 12V/24V Auto Boat RV Golf Cart Truck Car Marine Cover
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Instant Visual Fault Alerts: When the fuse is blown, the red LED indicator light will activate to quickly identify the location of the circuit fault in the golf cart fuse box. The included sticker to put on the cover, can make you better identify which appliance is going wrong. More efficiently solve electrical problems of fuse blocks 12 volt automotive and protect car/RV/marine/boat systems.
More Complete Fuse Box Kit: Including 30A, 25A, 20A, 15A, 10A, 5A fuses (6pcs of each type), 24pcs heat shrink terminals. In addition, marine fuse block is also equipped with marine grade tin plated copper main terminal, heat shrink tubing, and insulation sleeve (2pcs for each type) and installation manual. The complete set saves the trouble of purchasing and you can use it right away. Save installation time for your fuse panel project. Most 12-24V DC upgrades do not require additional purchase.
Neat Wiring: The automotive fuse block provides you with 12 dedicated fuse jacks and 12 sets of wiring positions, which facilitates the neat arrangement of wires and keeps the wiring of the 12v fuse block clean. The protective cover with a push-lock design can effectively prevent messy wires from interfering with the normal operation of the boat fuse block, and can also prevent dust, corrosion, and short circuits, waterproof up to IP53.
High-Capacity Circuit Protection: Our fuse block provides independent protection for each device or system in the circuit. At 12-24V DC, the capacity of marine fuse panel is 100 amps, with each fuse rated at 30 amps. The marine fuse box includes a grounding busbar. It is a multifunctional protective device, and the compatibility of universal blade fuses ensures reliable power distribution, thereby protecting electronic devices.
APPLICATIONS - This auto fuse block is widely used in cars, trucks, boats, tankers, ships, SUVs, yachts, RVs, vans, boats, and more. Each fuse of the ATO blade fuse block can be connected to any appliance circuit. For example car dome lights, car headlights, wide lights, fog lights, warning lights, car refrigerators, car chargers and car fans, car TVs, etc.

FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy Duty Long Wires Universal Fit

Fuel Pump Relays
FASTSTORM Electric Fuel Pump Relay Kit 12V Relay Bypass Switch Kit Fuel Pump Relay Wiring Harness Kit 60 Amp Waterproof Relay Kit Fit 12V System Heavy Duty Long Wires Universal Fit Cover
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This fuel pump relay kit is designed for 12V systems and fits a wide range of vehicles. It works seamlessly with any device that requires 12V activation and doesn't exceed a 30-amp continuous current draw. Ideal for automotive, trucks, and more, this electric fuel pump relay kit ensures reliable performance by providing consistent voltage to the fuel pump. It's the perfect solution for replacing your old fuel pump relay or upgrading your current setup with a fuel pump relay wiring kit
Our fuel pump relay bypass kit includes heavy-duty wires to ensure your high-pressure fuel pump receives the correct voltage directly from the battery. The 10-gauge red wire connects to the +12V battery, and the blue wire runs to the fuel pump. This setup prevents voltage drops and ensures the fuel pump runs smoothly, maintaining constant fuel pressure and preventing damage from overloads. The durable relay harness enhances system reliability for all 12V devices
Waterproof & Durable Design Built for reliability in all conditions, this fuel pump relay features a waterproof casing and a 30A inline fuse to protect your vehicle's electrical system. Whether you're working with a fuel pump wiring harness or a cooling fan relay, this 60 amp relay ensures durability and excellent waterproof performance. The relay bypass switch kit is designed to withstand harsh weather, making it perfect for long-lasting use in automotive systems and other 12V applications
Installing the electric fuel pump relay kit is a breeze with the clearly labeled wires and included wiring diagram. The kit features color-coded wires: 10-foot 10-gauge red wire for the +12V battery, 6-foot 12-gauge blue wire for the fuel pump, and 18-gauge yellow wires for the ignition switch and gray wires for ground. This fuel pump relay wiring kit simplifies installation and eliminates confusion, ensuring an efficient setup for replacing or installing a fuel pump relay
Our fuel pump relay bypass kit includes everything you need for a smooth installation: 1x 60A relay, 1x relay harness with wire connectors, 1x waterproof fuse holder, 1x 30A fuse, and all necessary mounting hardware. With this complete kit, you can easily connect your fuel pump to the electrical system of your vehicle. Whether you're working with a fuel pump kill switch or a relay bypass kit for an air compressor, this kit has you covered for all your automotive relay needs

FASTSTORM 300A Waterproof Battery Disconnect Switch 12V-48V, On/Off Kill Switch for Marine, RV, Car, Boat, Truck, ATV, UTV, Ignition Protected with Cable

Car Battery Switches
FASTSTORM 300A Waterproof Battery Disconnect Switch 12V-48V, On/Off Kill Switch for Marine, RV, Car, Boat, Truck, ATV, UTV, Ignition Protected with Cable Cover
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Versatile 12V-48V Compatibility: This battery disconnect switch supports systems ranging from 12V to 48V, making it ideal for a wide range of applications including marine, RV, car, truck, ATV, boat, and more. Whether you're using a 12V switch, solar disconnect switch, or battery kill switch, this versatile unit helps prevent unnecessary battery drain, extending the life of your battery and protecting your electrical systems
Ignition Protection and High Cranking Capacity: Built to handle demanding environments, this battery kill switch 12V offers an impressive 900A cranking for 30 seconds, 500A for 5 minutes, and 300A continuous. With this performance, it ensures your vehicle starts reliably even under heavy load or cold weather, making it perfect for marine battery switches, car battery disconnect switch, or battery cutoff switch 12V applications
Waterproof and Flame-Retardant Construction: The 12V switch waterproof design features flame-retardant plastic and an IP66 waterproof rating, ensuring durability and safety in all weather conditions. Whether you're using this battery cutoff switch on your RV, ATV, boat, or solar disconnect switch, it's engineered to withstand the toughest environments, preventing short circuits and ensuring long-lasting performance
Easy On/Off Operation: With a simple on/off switch 12V design, this battery disconnect switch offers convenient power control with a quick turn of the knob. This battery switch disconnect is ideal for disconnecting power to your 12 volt battery, preventing power drain when your vehicle or system isn't in use. Its intuitive operation makes it an excellent choice for kill switch for car or battery shut off switch 12V applications
Quick Installation and Wide Application: Designed for easy installation, this battery kill switch comes with mounting screws and features a versatile mounting system that supports side post battery disconnect, top post battery disconnect switch, and battery disconnect switch 12V heavy duty applications. It's perfect for a variety of systems, including marine, RV, ATV, and boat battery switches, helping you protect your electrical systems and extend your battery life

FASTSTORM 4 Circuits Waterproof Marine Fuse Panel, ATO Blade Fuse Block with LED Indicator 12V 24V Marine Fuse Block 12 Volt Fuse Box with Protection Cover for Car Automotive Boat RV Truck

Car Fuse Boxes
FASTSTORM 4 Circuits Waterproof Marine Fuse Panel, ATO Blade Fuse Block with LED Indicator 12V 24V Marine Fuse Block 12 Volt Fuse Box with Protection Cover for Car Automotive Boat RV Truck Cover
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Space-Saving Unidirectional Design: Compared with traditional fuse blocks, the 4 circuit fuse block with single-sided stud input (one positive stud powers four circuits) simplifies wiring and reduces installation space by 40%. In addition, it is equipped with a spare slot, which is convenient for users to replace the fuse at any time when it is blown.
Instant Visual Fault Alerts: Red LED indicators activate when fuses blow to quickly pinpoint circuit faults in your 4 circuits waterproof marine fuse panel. Resolve electrical issues faster and protect auto/RV/boat systems.
Configure Professional Materials for 12V Marine Fuse Block: High-strength PA66 + GF15% flame retardant housing & PC cover withstand marine moisture or corrosion, prevent ignition risks. Nickel-plated copper terminals with extended shields, the shielding layer extends to the top of contact screws, which avoids a series of short-circuiting phenomena caused by the conductor falling on the metal.
Heavy-Duty 150A Power Handling: 12V fuse block Built for 12V/24V auto/marine systems (max DC 80V), supporting continuous 40A per circuit (4 slots), with included 5A-20A ATO blade fuses for demanding loads: headlights, marine pumps, RV fridges, and winches. Includes torque specs (M4: 1.5Nm / M5: 3.5Nm).
APPLICATIONS - This 4 circuits blade marine fuse panel is widely used in cars, trucks, boats, tankers, ships, SUVs, yachts, RVs, vans, boats, and more. Each fuse of the ATO blade fuse block can be connected to any appliance circuit. For example car dome lights, car headlights, wide lights, fog lights, warning lights, car refrigerators, car chargers and car fans, car TVs, etc.

FASTSTORM 12V 24V 250A Black Remote Battery Disconnect Switch Remote Kill Switch for Car, Truck, RV, ATV, Boat, Anti-Theft, Automatic Power Shut Off with Wireless Remote Control

Car Battery Switches
FASTSTORM 12V 24V 250A Black Remote Battery Disconnect Switch Remote Kill Switch for Car, Truck, RV, ATV, Boat, Anti-Theft, Automatic Power Shut Off with Wireless Remote Control Cover
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[Heavy Duty Performance for All Vehicles] This Black Remote Battery Disconnect Switch is built for both 12V and 24V systems, perfect for cars, trucks, RVs, boats, and ATVs. With a 250A rating and capable of handling 450A for 30 seconds, it's ideal for high-demand vehicles. Whether you need a kill switch for car or a battery disconnect switch 12V heavy duty, this switch ensures reliable protection and performance in any vehicle
[Energy-Efficient Magnetic Latching Mechanism] Featuring an advanced magnetic latching system, this battery disconnect switch consumes only 3mA on standby. It helps prevent unnecessary battery drain and is perfect for car anti theft. The energy-efficient design doubles as a car anti theft kill switch, keeping your vehicle's electrical system secure and saving battery life
[Automatic Voltage Detection & Power Cut Off] This remote battery disconnect switch automatically cuts off power when the voltage drops below 11.8V±0.25V. After 120 seconds, it disconnects, preserving your battery's health. If voltage exceeds 13.7V±0.25V, remote control is disabled to prevent accidental shutdown while driving. This battery kill switch for car ensures your vehicle stays powered and protected, even during long periods of inactivity
[Wireless Control & Manual Override] Control your vehicle's power remotely with the included wireless remote, which works up to 100 meters. This remote kill switch for car is perfect for anti theft car device protection and regular maintenance. In case of emergency, use the manual override to quickly disconnect the power, offering peace of mind and flexibility in any situation
[Easy Installation & Versatile Compatibility] The unique advantage is that our remote switch features two additional copper fittings and is compatible with both Top and Side battery installations. Designed for easy installation with a negative link method, this battery disconnect switch fits most 12V systems in cars, trucks, boats, and RVs. It includes all necessary mounting hardware and clear instructions for a quick setup.

FASTSTORM 6 AWG Battery Cable, 10 Feet Black + 10Feet Red Flexible 6 Gauge Wire with 5pcs of 5/16" & 5pcs 3/8" Tinned Copper Lugs Terminal Welding Cable + Heat Shrink Tubing for Auto Solar Marine RV

Positive Battery Cables
FASTSTORM 6 AWG Battery Cable, 10 Feet Black + 10Feet Red Flexible 6 Gauge Wire with 5pcs of 5/16" & 5pcs 3/8" Tinned Copper Lugs Terminal Welding Cable + Heat Shrink Tubing for Auto Solar Marine RV Cover
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[Pure Copper Material] The 6 awg battery cable is made of high-precision pure copper material (red cable positive, black cable negative) with extremely high conductivity and low loss, which can easily achieve parallel/series connection of dual batteries in trucks, RVs, and ships, ensuring stable and reliable power transmission.
[Superior Accessories] 6 awg 10ft red and black 6 gauge wire, equipped with pure copper battery cable wire 10pcs and tin plated copper terminal 5/16" + 3/8" and 10pcs Heat Shrink Tubing. Heat shrink ratio of 3:1, highly sealed structure with corrosion resistance and oxidation resistance (suitable for outdoor and marine applications), zero voltage drop in humid/high humidity environments. M8 M10 is suitable for most inverters and battery studs.
[PVC Insulation Protection] Flexible welding cable with three layers of PVC insulation to withstand UV rays, extreme temperatures, wear-resistant, waterproof, moisture-proof, flame-retardant, and heat-insulating. Strong flex-resistant can twist in any direction. Upgraded premium 3:1 double wall bonded heat shrink tubing outperforming standard 2:1 in thickness and durability.
[Heavy Duty] Inverter cables with rated voltage of 600V can operate under various harsh conditions. Resistant to temperatures ranging from -58 ° F to+221 ° F (-50 ° C to+105 ° C), resistant to most solvents and fire-resistant (polyolefin material), covering various lengths of battery cables from 1/0 AWG to 8 AWG, meeting your battery wire wiring needs in various enclosed spaces.
[Widely applicable] This 6 awg copper wire design has multiple models to choose from, compatible with most cars and motorcycles, RVs, trucks, trailers, solar cells, boats, etc., to meet your diverse needs. We have sufficient confidence in the product and provide a one-year warranty. Please feel free to contact us if you have any questions.

FASTSTORM 12V 24V DC 8 Gang Marine Boat Switch Panel Waterproof Pre-Wired Rocker Switch Panel 12 Volt Toggle Switch Panel Blue LED Lighted for Automotive Car Truck

Car Toggle Switches
FASTSTORM 12V 24V DC 8 Gang Marine Boat Switch Panel Waterproof Pre-Wired Rocker Switch Panel 12 Volt Toggle Switch Panel Blue LED Lighted for Automotive Car Truck Cover
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[Ultimate Power Command Center] This Rocker switch panel Control 8 devices + dual charging + power outputs! This 8+4 Multi-Function Rocker Switch Panel integrates 8×20A SPST switches, PD Type-C/QC 3.0 USB ports (20-30W fast charging), 12V power socket, cigarette lighter, and LED voltmeter. Perfect for trucks, RVs, boats, and off-road rigs—manage winches, LED bars, and pumps in 12V-24V systems with military-grade precision
[Heavy-Duty Weatherproof Build and Overcurrent Protection] Encased in aircraft-grade aluminum, this IP65-rated 8 gang switch plate delivers waterproof/splash-proof protection. Sealed switch caps prevent short circuits, while the pre-wired 5 Pin ON/Off Rocker Switches eliminate wiring hassles. The switch panel are Connected BAT+ to the battery positive terminal through four 15A inline fuse, which for overcurrent protection,without risk of overheating or damaging the devices.
[Smart Charging & Voltage Monitoring] Dual PD Type-C + QC 3.0 USB ports charge devices 40% faster than standard chargers, supporting simultaneous full-speed charging. The centralized LED voltmeter tracks 12-24V battery health in real-time—critical for preventing power failures during adventures. Flame-retardant ABS housing ensures safety during operation
[Easy installation] Pre-wired switches reduce installation time by 70%. 8 Gang Rocker Switch Panel comes with mounting screws, DIY stickers, and a manual. Boat Switch Panel Waterproof mounting dimensions: 8.39"×3.5"×3.1". The LED switch panel can be installed horizontally or vertically. Each toggle switch has 2 blue LEDs, they can illuminate and help you to find the switches in the dark, and you still can assign your switches as your needs with the DIY sticker, they will give you a good experience
[Extreme Application Flexibility] Command 8 devices with this 8 gang Aluminum Rocker Switch Panel Toggle: control LED bars, rock lights, zombie lights, rear lights, fog lamps, driving lights, headlights, taillights, winches ("Wench power"), or bilge pumps. Includes glow-in-the-dark stickers for labeling switches. Compatible with 12-24V cars, trucks, off-road rigs, and marine systems—your ultimate power management solution.

FASTSTORM 5 Pack Heavy Duty 4 Pin Waterproof Relay Switch 12V 12&16 AWG with 5x20A/30A/40A ATC/ATO Blade Fuse Holder Inline Fuse for Marine Automotive Vehicle

Accessory Power Relays
FASTSTORM 5 Pack Heavy Duty 4 Pin Waterproof Relay Switch 12V 12&16 AWG with 5x20A/30A/40A ATC/ATO Blade Fuse Holder Inline Fuse for Marine Automotive Vehicle Cover
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DUAL-RELAY VERSATILITY: Professional-grade 4 pin relay options for universal automotive applications. Perfect as fuel pump relay, cooling fan relay, or LED flasher relay. Heavy-duty SPDT design handles 40A NO / 30A NC loads (14VDC) with integrated flyback diode protection
IP65 WATERPROOF SYSTEM & UNIVERSAL APPLICATION: Fully sealed automotive relay and waterproof fuse holder withstands harsh conditions. Ideal for marine/off-road use with military-grade 12AWG/16AWG wiring. It can be used under a wider application range, such as car, truck, automotive, marine, boat, etc. - perfect for cooling fan relay installations in trucks or fuel pump relay systems in boats
COMPLETE CIRCUIT SOLUTION: Includes 5x inline fuse holder 12v kits with 20A/30A/40A blade fuses. Use 40 amp fuse holder for starters, 30 amp fuse holder for fans, or 20 amp fuse holder for accessories – essential automotive replacement fuse holders for safe power distribution
HIGH-PERFORMANCE UPGRADE: Direct replacement for failing 12 volt relay systems. Optimized for electric fan relay kit installations, radiator controls, and high-current devices. Exceeds OEM specs with 560W switching capacity and -40°C to +125°C operating range
PLUG-&-PLAY INSTALLATION: Color-coded wiring (Red=30 Battery+, Blue=87 Load, Black=85 Ground, White=86 Switch) and standardized 12v fuse holder design ensure 5-minute installation. Fuse : Install between battery (+) and relay Pin 30. Selection: Match fuse rating to load (e.g., 30A fuse for 25A headlights).

FASTSTORM Fuse Relay Box, Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals, ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat

Car Fuse Holders
FASTSTORM Fuse Relay Box, Relay Block Box Built-in Diodes 6 Way 12 AWG Pre-Wired Waterproof Relay Panel with Relays and Terminals, ATC/ATO Fuses Automotive Relay Box 12V for Automotive Car Marine Boat Cover
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Heavy Duty Fuse Relay Box: This automotive relay box features 6 high-quality 40A relay with Built-in diode and 12 AWG harness, each relay features high-speed suppression diodes (response
Pre-Wired and Label Directions for Effortless Installation: We have thoughtfully equipped the fuse and relay box with pre-wired and label directions + color-coded 12AWG tinned copper wires (6 colors) + step-by-step manual with FQA guide. Note: pin85 port must be grounded and pin86 port must be connected to trigger due to diode configuration.
Superior 12v Relay Box Configuration Compared to Others: Each relay is equipped with a built-in diode to protect the circuit. Using high-quality 12AWG tinned copper wire to connect pin30 ports, suitable for most devices. Added heat shrink female spade connectors 13 PCS and 2 sets of fuses (5A-30A, 2 of each type), one set for backup purposes. The complete set saves the trouble of purchasing and you can use it right away.
Integrated Relay Box: 12V relay block installs compatible fuses, relays and diodes for each circuit to provide triple overcurrent protection. When the current is too high, the fuse blows first to protect the device from damage. Two sets of fuses for you to replace at any time. Top and bottom cover seal, which can block dust, splashing water, and light rain (do not fully immerse in water). The entire relay panel is resistant to short circuits, corrosion, dust, and has reliable performance.
Universal 12V Application: Designed for 12V systems, this fuse block with relay is perfect for automotive, truck, marine (bilge pumps), RV(lighting), and DIY projects, ideal for controlling lights, pumps, motors, or other accessories. Its modular design streamlines complex wiring for improved reliability.

FASTSTORM 5pcs Inline Fuse Holder 12AWG Waterproof ATC/ATO Blade Holder 20A 30A 40A Regular Heavy Duty in Line w/Cover Fits 1A to 30A Fuses for 12V Automotive Vehicles

Car Fuse Holders
FASTSTORM 5pcs Inline Fuse Holder 12AWG Waterproof ATC/ATO Blade Holder 20A 30A 40A Regular Heavy Duty in Line w/Cover Fits 1A to 30A Fuses for 12V Automotive Vehicles Cover
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Abundant Package & Wide Fuse Compatibility: Comes with 5 12AWG 12V in-line fuse holders, 5×20A/30A/40A ATC/ATO blade fuses, 10 waterproof heat-shrink butt connectors. Fits standard ATC&ATO blades (1A-30A), meeting unexpected use and diverse current needs
Easy Installation & Secure Fixing: Has a mounting hole on the cover with a matching mounting screw for stable fixing. Heat-shrink butt connectors strengthen circuit connection; 22.8cm soft silica gel wire is easy to strip, enabling convenient installation on most automotive devices
High-Quality & Conductive Materials: Made of durable, weather-resistant materials. 12AWG tinned oxygen-free copper wire (or soft red silica gel wire) ensures good conductivity, and anti-oxidation, better than bare copper wires
Superior Waterproof & Multi-Protection: Features locking weatherproof cover, silicone seal rings/gaskets for moisture, water, and dust proof. Shields circuits from surges/short circuits, suitable for harsh automotive and have better performance in marine use
Versatile Applications: With excellent waterproof performance and large capacity, widely used in cars, trucks, automotive, marine, boats, etc. Plug-and-play design (no splicing/cutting) works for ATO/ATC systems, covering both vehicle and boat circuit protection needs.

300A Heavy Duty Battery Disconnect Switch (12V-48V) & 2 AWG Cable Kit Combo: IP67 Waterproof Cut Off Isolator + 1FT Pair OFC Pure Copper Inverter Wire w/3/8” Lugs for Auto Solar Marine RV Boat

Car Battery Switches
300A Heavy Duty Battery Disconnect Switch (12V-48V) & 2 AWG Cable Kit Combo: IP67 Waterproof Cut Off Isolator + 1FT Pair OFC Pure Copper Inverter Wire w/3/8” Lugs for Auto Solar Marine RV Boat Cover
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[Zero-Noise Safety Guardian] Our 12V battery disconnect switch used for 12-48 VDC systems to isolate and secure the electrical system, operates silently with no humming or buzzing, ensuring peace of mind while maintaining ultimate protection. It instantly cuts power to prevent battery drain, electrical fires, and accidental discharge – perfect for cars, RVs, boats, and solar systems
[3-Minute Hassle-Free Install] Pre-drilled holes and universal 12V compatibility let you secure your electrical system in minutes –Step 1: Disconnect the battery and choose the negative cable; Step 2: Choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables ( DO NOT ATTACH AT THE SAME TIME to shut off the switch ), then install the switch; Step 4: Reconnect the battery and check for correct operation
[Battery Life Defender] Eliminates parasitic drain by 100% isolating batteries during storage. Protect your RV/marine battery from winter kill or theft while preserving power for emergency starts. Battery Power Shut Off Switch features clear ON/OFF markings and an audible click for confident operation
[Pure Copper Material] The 2 awg battery cable is made of high-precision pure copper material (red cable positive, black cable negative) with extremely high conductivity and low loss, which can easily achieve parallel/series connection of dual batteries in trucks, RVs, and ships, ensuring stable and reliable power transmission.
[Battery Cable Lugs] 3/8" tin plated pure copper terminal (M10), with precision factory crimping, equipped with 3:1 ratio heat shrink tubing, highly sealed welding cable with corrosion resistance and oxidation resistance (suitable for outdoor and marine applications), zero voltage drop in humid/high humidity environments. Pre-crimped terminals save installation time. M10 is suitable for most inverters and battery studs.

6-Circuit Waterproof Marine Fuse Panel with 5-Pack 40/30A Relay Kit - ATO Blade Fuse Block 12V/24V with LED Cover + SPDT 5-PIN DC 12V Waterproof Relays w/Pigtail Wires for Auto Boat RV Truck

Car Fuse Boxes
6-Circuit Waterproof Marine Fuse Panel with 5-Pack 40/30A Relay Kit - ATO Blade Fuse Block 12V/24V with LED Cover + SPDT 5-PIN DC 12V Waterproof Relays w/Pigtail Wires for Auto Boat RV Truck Cover
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Space-Saving Unidirectional Design: Compared with traditional fuse blocks, the 6 circuit fuse block with single-sided stud input (one positive stud powers six circuits) simplifies wiring and reduces installation space by 40%. In addition, it is equipped with a spare slot, which is convenient for users to replace the fuse at any time when it is blown.
Instant Visual Fault Alerts: Red LED indicators activate when fuses blow to quickly pinpoint circuit faults in your 6 circuits waterproof marine fuse panel. Resolve electrical issues faster and protect auto/RV/boat systems.
Heavy-Duty 150A Power Handling: 12V fuse block Built for 12V/24V auto/marine systems (max DC 80V), supporting continuous 40A per circuit (6 slots), with included 5A-30A ATO blade fuses for demanding loads: headlights, marine pumps, RV fridges, and winches. Includes torque specs (M4: 1.5Nm / M5: 3.5Nm).
Dual-Relay Versatility, Wide Application Range: Adopting a professional-grade SPDT (Single Pole Double Throw) design, it features dual-relay versatility and can be used as a fuel pump relay, cooling fan relay or LED flasher relay. Compatible with 12V 5-pin automotive relay systems, it works with car lights, horns, starters, wipers, traction control systems and more. Its application covers sedans, trucks, marine vessels, off-road vehicles and household circuits, meeting various electrical needs
Built-in Diode, Reliable Conductivity and Durability: It comes with color-coded wire harnesses – Pin 87 (blue), Pin 30 (red) and Pin 87a (yellow) are 12AWG, while Pin 85 (black) and Pin 86 (white) are 16AWG. All wires are made of tinned copper, offering excellent conductivity and durability. They can handle high current loads of 40A NO / 30A NC at 14VDC, and an integrated flyback diode protects the circuit from damage, enhancing safety and stability in use.​

Marine Grade 12 Way Fuse Block & 8 AWG Cable Bundle: Fuse Panel with LED, 36 Blades + 10ft 8 Gauge Battery Wire with 10 Tinned Lugs & Heat Shrink Tubing for 12V/24V Auto Solar Marine RV Golf Cart

Car Fuse Boxes
Marine Grade 12 Way Fuse Block & 8 AWG Cable Bundle: Fuse Panel with LED, 36 Blades + 10ft 8 Gauge Battery Wire with 10 Tinned Lugs & Heat Shrink Tubing for 12V/24V Auto Solar Marine RV Golf Cart Cover
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Instant Visual Fault Alerts: When the fuse is blown, the red LED indicator light will activate to quickly identify the location of the circuit fault in the golf cart fuse box. The included sticker to put on the cover, can make you better identify which appliance is going wrong. More efficiently solve electrical problems of fuse blocks 12 volt automotive and protect car/RV/marine/boat systems.
More Complete Fuse Box Kit: Including 30A, 25A, 20A, 15A, 10A, 5A fuses (6pcs of each type), 24pcs heat shrink terminals. In addition, marine fuse block is also equipped with marine grade tin plated copper main terminal, heat shrink tubing, and insulation sleeve (2pcs for each type) and installation manual. The complete set saves the trouble of purchasing and you can use it right away. Save installation time for your fuse panel project. Most 12-24V DC upgrades do not require additional purchase.
Neat Wiring: The automotive fuse block provides you with 12 dedicated fuse jacks and 12 sets of wiring positions, which facilitates the neat arrangement of wires and keeps the wiring of the 12v fuse block clean. The protective cover with a push-lock design can effectively prevent messy wires from interfering with the normal operation of the boat fuse block, and can also prevent dust, corrosion, and short circuits, waterproof up to IP53.
[Pure Copper Material] The 8 awg battery cable is made of high-precision pure copper material (red cable positive, black cable negative) with extremely high conductivity and low loss, which can easily achieve parallel/series connection of dual batteries in trucks, RVs, and ships, ensuring stable and reliable power transmission.
[Superior Accessories] 8 awg 10ft red and black 8 gauge wire, equipped with pure copper battery cable wire 10pcs and tin plated copper terminal 5/16" + 3/8" and 10pcs Heat Shrink Tubing. Heat shrink ratio of 3:1, highly sealed structure with corrosion resistance and oxidation resistance (suitable for outdoor and marine applications), zero voltage drop in humid/high humidity environments. M8 M10 is suitable for most inverters and battery studs.

Marine Fuse Panel + 8 AWG Battery Cable Combo: 6 Way Fuse Block 12V/24V with LED, 10ft 8 Gauge Battery Wire with 10 Tinned Lugs & Heat Shrink Tubing, for Auto Boat Solar RV Golf Cart Truck

Car Fuse Boxes
Marine Fuse Panel + 8 AWG Battery Cable Combo: 6 Way Fuse Block 12V/24V with LED, 10ft 8 Gauge Battery Wire with 10 Tinned Lugs & Heat Shrink Tubing, for Auto Boat Solar RV Golf Cart Truck Cover
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Instant Visual Fault Alerts: When the fuse is blown, the red LED indicator light will activate to quickly identify the location of the circuit fault in the fuse blocks 12 volt automotive. The included sticker to put on the cover, can make you better identify which appliance is going wrong. More efficiently solve electrical problems and protect car/RV/marine/boat systems.
More Complete Fuse Box Kit: Including 2x5A, 2x10A, 4x15A and 4x20A fuses, total 12pcs fuses, 12pcs heat shrink terminals. In addition, marine fuse block is also equipped with marine grade tin plated copper main terminal, heat shrink tubing, and insulation sleeve (2pcs for each type) and installation manual. The complete set saves the trouble of purchasing and you can use it right away. Save installation time for your fuse panel project. Most 12-24V DC upgrades do not require additional purchase.
Neat Wiring: The automotive fuse block provides you with 6 dedicated fuse jacks and 6 sets of wiring positions, which facilitates the neat arrangement of wires and keeps the wiring of the 12v fuse block clean. The protective cover with a push-lock design can effectively prevent messy wires from interfering with the normal operation of the boat fuse block, and can also prevent dust, corrosion, and short circuits, waterproof up to IP53.
[Pure Copper Material] The 8 awg battery cable is made of high-precision pure copper material (red cable positive, black cable negative) with extremely high conductivity and low loss, which can easily achieve parallel/series connection of dual batteries in trucks, RVs, and ships, ensuring stable and reliable power transmission.
[Superior Accessories] 8 awg 10ft red and black 8 gauge wire, equipped with pure copper battery cable wire 10pcs and tin plated copper terminal 5/16" + 3/8" and 10pcs Heat Shrink Tubing. Heat shrink ratio of 3:1, highly sealed structure with corrosion resistance and oxidation resistance (suitable for outdoor and marine applications), zero voltage drop in humid/high humidity environments. M8 M10 is suitable for most inverters and battery studs.

FASTSTORM FAQs

Yes, FASTSTORM is a legitmate brand on Amazon. After conducting a comprehensive analysis of 45 customer reviews for FASTSTORM products on Amazon, we have determined its average rating. With a strong performance and good quality, FASTSTORM has received an average rating of 4.82 from numerous buyers, indicating that FASTSTORM are trustworthy and live up to their claims. Therefore, it is safe to make purchases from FASTSTORM on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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We analyze millions of FASTSTORM products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 20 FASTSTORM products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the FASTSTORM page.
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