Best Boat Shore Power Cords of 2026

Jason Kiser Avatar
Jason Kiser
Last Updated: Jan 10, 2026

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Boat shore power cords are essential for any boater who wants to have a reliable and safe source of electricity while docked. These cords are designed to connect the boat's electrical system to the shore power source, providing a continuous flow of power to the vessel. They come in a variety of lengths and amperage ratings to accommodate different boat sizes and power requirements. Boat shore power cords are made from high-quality materials that are resistant to wear and tear, and they are designed to withstand the harsh marine environment. They are easy to use and provide a convenient way to power onboard appliances and systems.

At a Glance: Our Top Picks

Humminbird Power Cable PC 13 Cover #TOP 1
Humminbird Power Cable PC 13
ftb score rating icon 9.8
NOVINO 50A Waterproof Trolling Motor Plug Set Cover #TOP 2
NOVINO 50A Waterproof Trolling Motor Plug Set
ftb score rating icon 9.7
LONNKY PC 11 Filtered Power Cable for Humminbird Series Cover #TOP 3
LONNKY PC 11 Filtered Power Cable for Humminbird Series
ftb score rating icon 9.5

Top 10 Boat Shore Power Cords

#TOP 1

Humminbird Power Cable PC 13

720110-1
Not Available
One Size
Humminbird Power Cable PC 13 Cover
Humminbird Power Cable – PC 13

The Humminbird Power Cable offers a reliable connection designed specifically for Humminbird networks and accessories. Its purpose-built design ensures that you experience consistent power or data transfer without interruptions, making your setup more dependable. With marine-grade materials, this cable resists corrosion and stands up to tough conditions, so you don’t have to worry about wear and tear on the water. The cable also comes in tidy lengths with secure fittings, making installation clean and professional-looking. If you want an easy-to-rig solution that keeps your electronics powered safely and neatly, the Humminbird Power Cable is a smart choice.

What We Like
Reliable power and data transfer
Designed for Humminbird systems
Corrosion-resistant marine-grade build
Neat and secure installation
#TOP 2

NOVINO 50A Waterproof Trolling Motor Plug Set

TM-013
2-Prong ,Straight
NOVINO 50A Waterproof Trolling Motor Plug Set Cover
Trolling Motor Plug and Receptacle,12V/24V/36V/48V 2-Wire 8 Gauge 50A Trolling Motor Plug for Minn Kota Marine Boat,Male & Female Waterproof Quick Connect

The NOVINO Trolling Motor Plug offers a heavy-duty connection designed for powerful trolling motors up to 50 amps, so you don’t have to worry about overheating or damage. Its corrosion-resistant copper interior and flame-retardant exterior make it tough enough to handle harsh marine environments, ensuring long-lasting use. Thanks to 8 AWG marine-grade copper wiring and tinned copper connectors, you get faster and more efficient power delivery, which means your trolling motor charges quicker. The self-locking, waterproof design keeps your connections secure and protected from water, giving you peace of mind during your fishing trips or boat rides.

What We Like
Heavy-duty 50A rating
Corrosion-resistant materials
Fast power delivery
Waterproof and secure
Compatible with multiple voltages
#TOP 3

LONNKY PC 11 Filtered Power Cable for Humminbird Series

cbce054c-4afd-4217-bdfa-affeb7e13971
Black
LONNKY PC 11 Filtered Power Cable for Humminbird Series Cover
PC 11 Filtered Power Cable, Replacement for 720057-1, Compatible with Humminbird Helix 8/9/10/12/15, 700/800/900/1100 Series, 797 798 Models, 6.6FT Marine Power Cord

The LONNKY Humminbird Power Cable is a reliable replacement for the original 720057-1 cable, ensuring your fish finder and sonar devices stay powered without interruption. Its compatibility with various Humminbird models means you can use it with many popular units, offering flexibility if you upgrade or switch devices. The 6.5-foot length gives you plenty of room for easy installation, whether you're setting up on your boat or managing waypoints remotely. Built with marine-grade materials, this cable resists water and corrosion, providing durable and stable power even in tough marine environments.

What We Like
Wide device compatibility
Long 6.5-foot cord
Marine-grade durability
Easy plug-and-play setup
#TOP 4

Conntek 17105-025RE Marine Shore Power Cordset

17105-025RE
Yellow
25 - Feet
Conntek 17105-025RE Marine Shore Power Cordset Cover
Conntek 17105-025RE Marine Shore Power 30 Amp Cordset with Light Indicator (Yellow, 25-Feet)

The Conntek Marine Power Cordset is a 30 amp shore power cord designed for boats. With its light indicator, it provides a convenient way for users to know if the power is connected properly. The 30 amp shore plug and shore female ensure a secure and reliable connection for powering various marine devices. This cordset is 25 feet long, providing enough length for users to connect their boats to shore power sources. Whether you are docking your boat or staying at a marina, the Conntek Marine Power Cordset is a reliable and convenient choice for powering your boat.

What We Like
30 amp shore power cord
Light indicator for easy power connection status
Secure and reliable connection
#TOP 5

Marinco CS30-50 EEL Cordset

CS30-50
Yellow
50 Feet
Marinco CS30-50 EEL Cordset Cover
Marinco CS30-50 EEL Cordset, 30A 125V, 50', Yellow

The Marinco CS30-50 EEL Cordset, also known as the Marinco EEL Cordset, is a 30 Amp, 125V, 50-foot yellow cordset designed for boat shore power connections. With its patented jaw-clamp technology, this cordset provides a watertight seal every time, ensuring a secure and reliable connection. The built-in cord light adds an extra layer of safety by indicating if the cord is powered and if it is properly plugged into the dock. The EEL product line includes various connectors, adapters, and pigtails, offering versatility and convenience for different power requirements. This cordset meets and exceeds rigorous UL testing standards, ensuring its durability and safety for marine use.

What We Like
Watertight seal
Built-in cord light
Versatile connectors and adapters
#TOP 6

XMK 8AWG Waterproof Trolling Motor Plug

XMK
MTP-004
Red,Elbow
XMK 8AWG Waterproof Trolling Motor Plug Cover
Trolling Motor Plug,12V/24V/26V/48V Trolling Motor Plug and Receptacle for Minn Kota Marine Boat,8 Gauge 2-Wire Quick Connect,Male&Female,Waterproof

The XMK Trolling Motor Plug is designed to provide quick and efficient power delivery for your trolling motor, thanks to its marine-grade tinned copper wire that reduces resistance. With heavy-duty 8 AWG wiring, you can rely on it to handle continuous use without overheating or damage, ensuring safety and durability. Installation is a breeze because the plug comes pre-wired, allowing you to connect your motor quickly without complicated wiring. Plus, it fits a wide range of 12V to 48V systems, so it’s compatible with many trolling motors and other marine devices, offering versatility and convenience for your boating needs.

What We Like
Fast power delivery
Durable heavy-duty wiring
Easy plug-and-play installation
Wide voltage compatibility
#TOP 7

Marinco 303SSEL-B Inlet

303SSEL-B
Stainless Steel
30 Amp, 125V
Marinco 303SSEL-B Inlet Cover
Marinco 303SSEL-B Inlet, 30A 125V, Stainless Steel

The Marinco 303SSEL-B Inlet is a 30 Amp 125V, round, cast 316 stainless steel power inlet designed for marine use. Its solid cast marine grade 316 stainless steel and heavy duty cap strap make it robust and durable in harsh marine environments. The inlet is also easy to install with technical features that make it convenient to use for both marine professionals and casual recreational boaters.

What We Like
Durable and corrosion-resistant construction
Easy to install
Designed for both marine professionals and casual recreational boaters
#TOP 8

Fekuar 25ft 30Amp RV Power Cord

Js-ko-djse1348
Yellow
25 FT
Fekuar 25ft 30Amp RV Power Cord Cover
25ft 30Amp 125V RV Power Wire Cord Marine Shore Boat L5-30 Yellow 25 Feet Heavy Duty Electrical Power Cable, NEMA L5-30P to NEMA L5-30R

The Fekuar 30Amp Power Cord is a durable and flexible 25-foot cable designed for connecting your RV or trailer to campground power. With a heavy-duty 10-gauge construction, this cord can handle up to 30 amps at 125 volts, ensuring a reliable power supply. Its watertight molded plugs provide safety and longevity, making it perfect for outdoor use. Additionally, the cord is made from high-quality marine-grade materials, which enhances its performance and durability, giving you peace of mind while enjoying your outdoor adventures.

What We Like
Heavy-duty construction
Flexible and easy to use
Watertight for safety
Marine-grade materials
#TOP 9

Amp Up Marine & RV Cords 125v 30 amp x 50' Marine Shore Power Boat Extension Cord

21315
Yellow
50 ft
Amp Up Marine & RV Cords 125v 30 amp x 50' Marine Shore Power Boat Extension Cord Cover
Amp Up 125v 30 Amp Shore Power Cord, 50ft Heavy Duty Marine, Boat, and RV Power Cord with Watertight Molded Ends, and UL Listed from a US Based Company

This Amp Up Marine & RV Cord has a 50 ft length and is designed for use with boats, made with STOW Type Cable, #10 Copper Wire, a 3-Wire Cord, and Molded Ends. It is UL Listed, ensuring safety and reliability for your marine shore power needs.

What We Like
UL Listed for safety and reliability
Molded ends for added durability
50 ft length provides flexibility in placement
#TOP 10

Bzumperyz PC-11 Power Cable for Humminbird Helix Series

15d721c2-9b61-4e02-825f-afef61fa0107
Bzumperyz PC-11 Power Cable for Humminbird Helix Series Cover
PC-11 Filtered Power Cable Fit for Humminbird Helix 8/9/10/12/15 Fish Finders All Models, 800 Series 900 Series 1100 Series Products 797 798,#720057-1 (6 Feet

The Bzumperyz PC-11 Cable lets you power your Humminbird Helix fish finders anywhere, not just on your boat. This means you can manage waypoints easily even away from the water by connecting directly to your battery. It fits all Helix models, including the 8, 9, 10, 12, and 15 series, as well as the 800, 900, and 1100 series. Made from high-quality copper with waterproof plastic and rubber, it ensures a steady, safe connection to your device. The 6-foot length is convenient, and you can adjust the cable length if needed using 18 gauge copper wire.

What We Like
Wide device compatibility
Durable copper wiring
Waterproof protection
Flexible cable length
Portable power option
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How do you connect shore power to a boat?

To connect shore power to a boat, you will need a marine cordset (shore power cord) with a male connector on one end and a female connector on the other. The male connector plugs into the power pedestal on the dock, while the female connector plugs into the outlet on your boat.

2. How long do shore power cords last?

Shore power cords can last for decades, but the cord ends may fail sooner due to internal corrosion, high amperage caused by lightning strikes or low voltage at a marina, or from a short circuit if a charged cord end is dropped in the water.

3. Is boat shore power 110 or 220?

Boat shore power typically operates at 110 volts, allowing you to use household-type appliances on your boat while it is docked. This eliminates the need for an onboard generator or draining the boat's batteries. You can also recharge your boat's batteries using shore power.

4. Does shore power charge boat batteries?

Yes, shore power can be used to charge your boat's batteries. All you need is the right charge controller, and the batteries can be easily charged using the shore power connection.

5. Can you use an extension cord for shore power?

No, it is not recommended to use an ordinary outdoor extension cord for shore power. Instead, you should use shore power cords that are specifically rated for marine use, or preferably UL-Marine listed for marine shore power applications. This ensures the safety and proper functioning of the electrical system on your boat.

6. Does a boat need shore power?

Having accessible shore power at a marina is important, especially for extended periods of time. It allows you to operate appliances on your boat without using fuel or depleting the boat's batteries. Running the boat's engine overnight is not recommended, so a secure shore power connection is essential.

7. How do I know if my shore power cord is bad?

If your shore power cord shows signs of chafing, cracks, split insulation, or has electrical tape repairs, it should be replaced. Industry standards recommend using shore cords with molded-on plugs and appropriate weatherproof boots for safety.

8. Can shore power cords be repaired?

In case of theft or damage to a shore power cord, it is possible to repair it by rewiring the cord back into the junction box. However, this can be costly, and it may be more practical to replace the damaged cord. It is important to choose a shore power cord with the appropriate amp rating to meet your needs.

Editor's Notes

During our boat shore power cord research, we found 24 boat shore power cord products and shortlisted 10 quality products. We collected and analyzed 15,468 customer reviews through our big data system to write the boat shore power cords list. We found that most customers choose boat shore power cords with an average price of $26.59.

The boat shore power cords are available for purchase. We have researched hundreds of brands and picked the top brands of boat shore power cords, including Humminbird, NOVINO, LONNKY, Conntek, Marinco. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Jason Kiser Avatar

Jason Kiser is an editor who lives in California, he previously worked in a travel agency for ten years, which enabled him to travel a number of interesting countries and experience several different cultures along the way. His range of job and travel experiences grant him expertise in hiking, camping, outdoors and fitness.