Best Outdoor Low Voltage Transformers of 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
Top 10 Outdoor Low Voltage Transformers
DEWENWILS Landscape Transformer with Timer and Sensor
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.
DEWENWILS 60W Outdoor Low Voltage Transformer
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.
DEWENWILS 200W Outdoor Transformer with Timer and Photocell Sensor
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.
SUNVIE 300W Low Voltage Transformer for Landscape Lighting
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.
Malibu 120W Power Pack for Low Voltage Landscape Lighting
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.
DEWENWILS 300W Wi-Fi Landscape Transformer
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.
SUNVIE 100W Low Voltage Transformer
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.
Malibu 200watt Transformer for Low-Voltage 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.
DEWENWILS 300W Wi-Fi Landscape Transformer
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.
SUNVIE 200W Outdoor Low Voltage Landscape Transformer
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.
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.
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.

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
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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 | - |
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