Best Outdoor Low Voltage Transformers of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 16, 2025

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Outdoor low voltage transformers are essential for any outdoor lighting project. They provide a safe and efficient way to power low voltage lighting systems, such as LED or halogen lights. These transformers are designed for outdoor use and are made to withstand harsh weather conditions, ensuring long-lasting performance. They are also available in various sizes and capacities to accommodate different lighting needs. With their easy-to-install design and reliable operation, outdoor low voltage transformers are a great investment for anyone looking to enhance their outdoor lighting setup.

At a Glance: Our Top Picks

DEWENWILS Landscape Transformer with Timer and Sensor Cover #TOP 1
DEWENWILS Landscape Transformer with Timer and Sensor
ftb score rating icon 9.9
DEWENWILS 60W Outdoor Low Voltage Transformer Cover #TOP 2
DEWENWILS 60W Outdoor Low Voltage Transformer
ftb score rating icon 9.8
DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor Cover #TOP 3
DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor
ftb score rating icon 9.6

Top 10 Outdoor Low Voltage Transformers

#TOP 1

DEWENWILS Landscape Transformer with Timer and Sensor

HOSL03A
Black
DEWENWILS Landscape Transformer with Timer and Sensor Cover
DEWENWILS 120W Low Voltage Landscape Transformer, Outdoor Transformer with Timer and Photocell Sensor, 120V AC to 12V AC, Weatherproof, for LED Lighting, Spotlight, Pathway Light, ETL Listed

The DEWENWILS Low Voltage Landscape Transformer is an outdoor weatherproof device that can convert 120V AC into a safer 12V AC. It has a built-in dusk to dawn sensor that automatically controls the connected landscape lights. It also includes a countdown timer that can turn on/off lights 1-9 hours later. The transformer is easy to install with built-in mounting holes and a 3.3-foot power cord. It has a memory function that retains the previous setting even after a power loss. The transformer is made of metal that is corrosion-resistant and waterproof, making it durable for outdoor use.

What We Like
Easy installation
Reliable performance
Cost-effective
Automatic on/off feature
Simple operation
What We Don't Like
Minor reset instructions issue
Limited screen display
#TOP 2

DEWENWILS 60W Outdoor Low Voltage Transformer

HOSL02A
Black
Pest Repeller v.441
DEWENWILS 60W Outdoor Low Voltage Transformer Cover
DEWENWILS 60W 120V AC to 12V DC Outdoor Low Voltage Transformer with Timer and Photocell Light Sensor, Weatherproof, Specially for LED Landscape Lighting, Spotlight, Pathway Light, ETL Listed

The DEWENWILS 60W Outdoor Low Voltage Transformer is a weatherproof device that comes with a built-in dusk to dawn sensor, countdown timer and memory function, making it a practical choice for LED landscape lighting. The transformer is easy to install and provides overload and short circuit protection. It is compatible with low voltage LED landscape lighting, including spotlight, pathway light, garden light, and water feature lighting.

What We Like
Easy installation
Multiple timer settings
Durable in harsh weather
Remote control functionality
Good power capacity
What We Don't Like
Remote reliability issues
Instructions can be unclear
#TOP 3

DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor

HOSL04
Black
DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor Cover
DEWENWILS 200W Low Voltage Landscape Transformer, Outdoor Weatherproof Transformer with Timer and Photocell Sensor, 120V AC to 12V AC for LED Lighting, Spotlight, Pathway Light, ETL Listed

The DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor provides a safer and more practical electrical current level by converting 120V AC household voltage to 12V AC safety voltage. It has a built-in dusk to dawn sensor, countdown timer, easy operation and installation, memory function, and is durable and waterproof. The transformer can withstand all severe weather conditions and has a high-performance metal material that makes it corrosion-resistant, meaning it can last for years of use. The total power of the landscape lighting should not exceed 80% of the power pack's capacity.

What We Like
Easy installation process
Quiet operation
Reliable performance
Good customer support
Cost-effective on electricity
What We Don't Like
App setup can be confusing
WiFi connectivity issues
#TOP 4

SUNVIE 300W Low Voltage Transformer for Landscape Lighting

SUNVIE 300W-LVT-LLT-TIMER
Black
SUNVIE 300W Low Voltage Transformer for Landscape Lighting Cover
SUNVIE 300W Low Voltage Transformer with Timer and Photocell Sensor Landscape Lighting Transformer Waterproof 120V to 12V/14V AC Outdoor Low Voltage Transformers for Landscape Pathway Lights Spotlight

The SUNVIE 300W Low Voltage Transformer is a durable and waterproof transformer that converts 120V household AC voltage into 12V/14V safe AC voltage. With its multiple setting modes, including manual on/off, automatic on/off, photocell on/timer off, and timer on/off, it is compatible with all 12V/14V low voltage LED and halogen landscape lighting systems. The transformer is also equipped with dusk to dawn photocell sensors, overload protection, and memory function.

What We Like
Easy installation
Robust and sealed case
Supports multiple lighting systems
Versatile programming options
Excellent customer service
What We Don't Like
Photocell may fail
Programming manual needed
#TOP 5

Malibu 120W Power Pack for Low Voltage Landscape Lighting

8100-9120-01
Black
Malibu 120W Power Pack for Low Voltage Landscape Lighting Cover
Malibu 120 Watt Power Pack with Sensor and Weather Shield for Low Voltage Landscape Lighting Spotlight Outdoor Transformer 120V Input 12V Output 8100-9120-01

The Malibu 120 Watt Power Pack is a weather-resistant transformer that can convert 120V AC family voltage to 12V AC safety voltage for low-voltage landscape lights. It features light control timing, which automatically turns on at dusk and shuts off at dawn. With a durable plastic construction, it can be safely placed outdoors and mounted on the wall or mailbox side for quick and easy installation. It is recommended to use landscape lights that do not exceed 75% of the power pack's capacity.

What We Like
Easy installation
Good built quality
Effective timer presets
Compact design with cover
Long-lasting performance
What We Don't Like
Fragile edges
Clock reset after power loss
#TOP 6

DEWENWILS 300W Wi-Fi Landscape Transformer

HSLT05X
Silver
DEWENWILS 300W Wi-Fi Landscape Transformer Cover
DEWENWILS 300W Wi-Fi Low Voltage Landscape Transformer with 3 Zones, 2.4GHz Smart Low Voltage Transformer, 120V AC to 12V/14V AC, Landscape Lighting Transformer for Outdoor Lights, LED Lights

The DEWENWILS Landscape Transformer offers convenient control over your outdoor lighting. With its app and voice command capabilities, you can manage your lights effortlessly using your smartphone or through Alexa and Google Assistant. This transformer features three independent zones, allowing you to customize lighting settings for different areas of your landscape. You can choose between 12V and 14V outputs, making it versatile for various lighting needs. Additionally, it includes five timer modes, which let you schedule your lights to turn on and off according to your preferences, enhancing the ambiance of your outdoor space.

What We Like
Compact size
Quiet operation
Wi-Fi connectivity
Multiple zone control
Durable build quality
What We Don't Like
Primitive app design
Initial setup may be finicky
#TOP 7

SUNVIE 100W Low Voltage Transformer

LVTMH100W
Black
SUNVIE 100W Low Voltage Transformer Cover
SUNVIE 100W Low Voltage Landscape Transformer Weatherproof Low Voltage Transformer with Photocell & Timer 120V AC to 12V DC Landscape Lighting Transformer for Outdoor Spotlights Path Lights Step Light

The SUNVIE Low Voltage Transformer is designed to convert standard 120V AC to safe 12V DC, ensuring your outdoor lighting operates efficiently and safely. Its built-in photocell sensor automatically activates the lights at dusk and turns them off at dawn, providing hassle-free illumination. You can also benefit from the countdown timer feature, allowing you to set your lights to turn off after a selected period, saving energy when you don’t need them. Additionally, this transformer includes circuit protection, which automatically shuts off power during overloads, ensuring your lighting fixtures remain safe and functional.

What We Like
Weatherproof design
Easy installation
Automatic light control
Durable construction
Stable power supply
What We Don't Like
Limited to 100W
#TOP 8

Malibu 200watt Transformer for Low-Voltage Lighting

Malibu 200watt Transformer for Low-Voltage Lighting Cover
Malibu Power Pack 200watt Low-Voltage Weatherproof Transformer with Photo Sensor for Low-Voltage Landscape Lighting

The Malibu Power Pack 200watt Low-Voltage Weatherproof Transformer with Photo Sensor has a fully programmable timer with automatic function and photocell sensor technology, making it easy to turn on and off your low-voltage landscape lighting. Its durable and protective door panel design protects the transformer from adverse weather conditions, while the built-in circuit protection function can disconnect the power supply in case of overload. The memory function maintains your selected mode after power-off and restart, and a 1-year after-sales support is available.

What We Like
Easy installation
Durable construction
Weather-proof design
Flexible timer options
Great value
What We Don't Like
Limited warranty experience
Battery replacement difficulty
#TOP 9

DEWENWILS 300W Wi-Fi Landscape Transformer

HSLT05W
Stainless Steel
DEWENWILS 300W Wi-Fi Landscape Transformer Cover
DEWENWILS 300W Wi-Fi Low Voltage Landscape Transformer with 3 Zones, 2.4Ghz Smart Low Voltage Transformer for Outdoor Lights, 120V AC to 12V/14V AC, Work with Alexa & Google Assistant, FCC Listed

The DEWENWILS Wi-Fi Transformer is a powerful 300W device that safely converts 220V to 12V/14V, perfect for illuminating your garden and pathways. With overcurrent and overload protection, it ensures your outdoor lights stay safe from damage. Enjoy the convenience of remote control using the Dewenwils or Smart Life apps, allowing you to manage your lighting from anywhere. This transformer features three independent control zones, so you can customize your outdoor lighting for different areas, making it easier to create the perfect ambiance for any occasion.

What We Like
Easy installation
Flexible programming options
Durable stainless steel case
Good WiFi connectivity
Compatible with smart devices
What We Don't Like
Instructions could be clearer
Occasional WiFi connectivity issues
#TOP 10

SUNVIE 200W Outdoor Low Voltage Landscape Transformer

SUNVIE-300W-LOW-VOLTAGE-TRANS-f63d76d697
Black
SUNVIE 200W Outdoor Low Voltage Landscape Transformer Cover
SUNVIE 200W Landscape Lighting Transformer Outdoor Low Voltage Landscape Transformer with Timer and Photocell Sensor Waterproof 120V to 12V/14VAC Low Voltage Transformer for Landscape Garden Lights

The SUNVIE 200W Outdoor Low Voltage Landscape Transformer is a versatile transformer compatible with all 12V/14V low voltage LED and halogen landscape lighting systems. Its dusk to dawn photocell sensor automatically turns on at dusk and off at sunrise, and it has five setting modes to meet your needs and maximize energy savings. The transformer also has built-in circuit protection and a memory function, and is durable and corrosion resistant to withstand years of use, whether installed indoors or outdoors.

What We Like
Easy to install
Multiple voltage options
Good price
Durable and waterproof
User-friendly timer settings
What We Don't Like
Minor packaging damage
Some instructions tricky
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can low voltage transformers be mounted outdoors?

Yes, low voltage transformers can be mounted outdoors. They are specifically designed for outdoor use, making them ideal for outdoor landscape lighting. These transformers are durable and do not require frequent maintenance, allowing for reliable operation in various weather conditions.

2. Which transformer is used for outdoor?

For outdoor use, Pad Mounted Oil Filled transformers are commonly used. They are rated to withstand outdoor conditions for decades. However, if you need a transformer for voltage conversion, such as from 480 to 208 volts, a dry type transformer may be suitable.

3. Do I have to have a transformer for low voltage landscape lights?

Yes, a transformer is necessary for low voltage landscape lights. It is required to reduce the 120-volt output from your home electrical system to the 12 volts used by low voltage landscape lights. This allows for safe and efficient operation of the lights.

4. How do you protect a transformer outside?

To protect a transformer installed outdoors, it is recommended to follow the guidelines provided by NFPA 850. This may include using a fire wall rated for 2 hours, extended vertically and horizontally. Specific protection measures may vary depending on the size and type of the transformer.

5. How do I hide a transformer in my yard?

There are several ways to hide a transformer in your yard. You can cover it up with grasses, plant evergreen shrubs around it, create a screen using a decorative fence, or use a fake boulder to conceal it. These methods can help blend the transformer with the surrounding landscape.

6. How many lights can you put on a low voltage transformer?

The number of lights that can be connected to a low voltage transformer depends on its maximum capacity. As a general rule, the total load on the transformer should not exceed 80% of its maximum capacity. For example, a 150 watt transformer can comfortably handle up to 120 watts of power, which would typically allow for around 6, 20 watt lamps.

7. How do I choose a low voltage transformer?

To choose a low voltage transformer, compare the total wattage of your lamps to the available transformer sizes. Transformers typically come in sizes like 300W, 600W, 900W, and 1200W. As per electrical code requirements, transformers should be derated to 80% of their capacities. For example, if you have a total lamp wattage of 600 watts, you would need a 900-watt transformer (600 x 0.8).

8. Do I need a special transformer for LED landscape lights?

Yes, if you are installing low voltage or 12-volt LED landscape lights, you will need a special transformer. LED lights have specific voltage and current requirements, and a transformer designed for LED landscape lights ensures proper operation and longevity of the lights.

Editor's Notes

During our outdoor low voltage transformer research, we found 24 outdoor low voltage transformer products and shortlisted 10 quality products. We collected and analyzed 53,805 customer reviews through our big data system to write the outdoor low voltage transformers list. We found that most customers choose outdoor low voltage transformers with an average price of $86.10.

The outdoor low voltage transformers are available for purchase. We have researched hundreds of brands and picked the top brands of outdoor low voltage transformers, including DEWENWILS, SUNVIE, Malibu C. The seller of top 1 product has received honest feedback from 6,346 consumers with an average rating of 4.9.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.

Outdoor Low Voltage Transformers Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand DEWENWILS DEWENWILS DEWENWILS SUNVIE Malibu C DEWENWILS SUNVIE Malibu C DEWENWILS SUNVIE
Power Source Corded Electric DC Corded Electric Corded Electric Corded Electric AC Corded Electric Corded Electric AC Corded Electric
Mounting Type Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount Wall Mount
Current Rating 10 Amps 5 Amps 16.6 Amps 25 Amps - 25 Amps - - 25 Amps -
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 9.1
ftb score rating icon 9.0
ftb score rating icon 8.9
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