Best Outdoor Low-Voltage Transformers of 2025

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Outdoor low-voltage transformers are an essential component of any outdoor lighting system. They are designed to convert the high-voltage power from your home into a low-voltage current that is safe for use in your garden or outdoor space. These transformers are perfect for powering outdoor lighting systems, such as garden lights, path lights, and spotlights. They are also ideal for use with water features, such as fountains and ponds. With a range of different sizes and capacities available, there is an outdoor low-voltage transformer to suit every need.
At a Glance: Our Top Picks
Top 10 Outdoor Low-Voltage Transformers
SMY Lighting 65W Outdoor LED Driver with Timer
The SMY Lighting LED Driver offers convenience and efficiency for your outdoor lighting needs. With a built-in dusk to dawn sensor, it automatically turns your landscape lights on at dusk and off at dawn, ensuring your space is always illuminated when needed. The countdown timer feature allows you to set your lights to turn off after a specific duration, providing flexibility in usage. Additionally, the memory function remembers your last timer setting even after a power outage, making it hassle-free. Easy installation means you can quickly set it up and enjoy your outdoor ambience.
DUSKTEC 200W 24V Waterproof LED Driver
The DUSKTEC 24V Driver is a reliable power supply designed for both indoor and outdoor use. With an impressive IP67 waterproof rating, it ensures your lighting solutions remain functional and safe in various weather conditions. The constant voltage output of 24V and maximum load of 200 watts make it ideal for connecting multiple LED lights, including strip lights and landscape lighting. Additionally, its built-in safety features protect against over-voltage and short circuits, giving you peace of mind while you illuminate your space.
YAYZA! IP67 Waterproof 12V LED Power Supply
The YAYZA! 12V LED Driver is designed for both indoor and outdoor use, boasting an IP67 waterproof rating that ensures protection against dust and water. Its compact design, measuring only 25mm thick, allows you to easily fit it into tight spaces while keeping it discreet. Safety is a priority, with isolated input and output terminals that prevent short circuits and other electrical issues. This driver is versatile, making it suitable for various applications, including LED strips and CCTV cameras, ensuring reliable performance in any environment.
Qingchenlight 12V Waterproof LED Driver Transformer
The Qingchenlight 12V Transformer is a reliable power supply that delivers a robust 60W with a 12V DC output of 5.0A. Its waterproof IP67 design allows you to install it in various environments, whether dry, wet, or rainy, ensuring it remains functional in all weather conditions. The aluminium metal housing promotes effective heat dissipation, enhancing the product's reliability. As a constant voltage power supply with universal AC input, it is versatile and suitable for a wide range of applications, including LED modules and outdoor lighting.
CNBRIGHTER Waterproof 12V AC Transformer
The CNBRIGHTER 12V AC Transformer offers outstanding features for your outdoor lighting needs. With its IP68 grade waterproof and dustproof protection, you can confidently install it in wet environments, ensuring durability and reliability. The step-down voltage transformer is safe for devices under 36W, preventing overload issues. Its compact design allows for easy installation, making it convenient for you to set up. Additionally, the product boasts superior quality compared to similar transformers, guaranteeing a dependable power supply for your landscape lights and other 12V AC devices.
VARICART Waterproof 24V LED Driver Adapter
The VARICART LED Driver is an outdoor power supply designed for durability and performance. With an IP67 waterproof rating, it ensures your lighting remains functional in various weather conditions. Its compact design, measuring just 25mm thick, allows for easy installation in tight spaces. You can rely on its constant voltage output, converting AC to DC for a smooth, flicker-free lighting experience. This driver also features built-in protections against thermal overload and short circuits, making it a safe choice for your lighting needs.
REYLAX 12V LED Driver Transformer 150W
The REYLAX LED Driver is a reliable power supply designed for outdoor use, providing a constant voltage of 12V from an AC input of 100-260V. With its impressive 150 watts capacity, it ensures there is no hum or lighting lag, making it ideal for immediate lighting needs. The IP67 waterproof rating means you can use it in various weather conditions without worry. Additionally, its aluminium alloy casing promotes effective heat dissipation, enhancing safety and longevity for your garden LED applications.
REYLAX 24V Dimmable Waterproof LED Driver
The REYLAX LED Driver is a constant voltage transformer designed for outdoor use, accepting an AC input of 170-260V while providing a stable DC output of 24V. It features multiple dimming options, allowing you to customise your lighting experience without flickering or lag. With an IP67 waterproof rating, this driver ensures reliable performance even in adverse weather conditions. The easy wiring setup means you can quickly connect it to your dimmer switch and load, making it convenient for various lighting applications.
BRIMETI 24V Waterproof LED Transformer
The BRIMETI 24V Transformer is an essential power supply for your LED lighting needs. With its waterproof IP67 rating, you can confidently install it outdoors without worrying about moisture. Its ultra-slim design allows for easy placement in tight spaces, ensuring a clean and tidy look. The internal circuitry provides multiple safety features, protecting against overvoltage and short circuits, so you can enjoy reliable performance without any flicker or noise.
Isisyu 31V Transformer for Christmas Lights
The Isisyu 31V Transformer is a versatile power supply perfect for your Christmas lights. With an input voltage of 220-240 V and a safe output of 31V, you can use it with confidence. Its waterproof design ensures safe operation both indoors and outdoors, protecting your decorations from the elements. You will appreciate the timer and memory function that allows you to set 6 hours on and 18 hours off, saving you the hassle of manual adjustments. Additionally, it offers 8 lighting modes, providing a variety of effects to enhance your festive atmosphere.
Frequently Asked Questions (FAQs)
1. Can low voltage transformers be mounted outdoors?
Most low-voltage transformers have their own mounting systems, so you can attach them to stakes outside your home. These transformers also have weather-protection seals, but it's still a good idea to cover your outlet to keep moisture out.
2. Can a transformer be left outside?
The socket can be either indoors or outdoors. If it's outdoors then it should be encased in a waterproof casing as the plug attached to the transformer needs to be waterproofed.
3. What kind of transformer do you need for landscape lighting?
If you choose landscape lights that require 300 watts (six pathway lights that each need 50 watts, for example), you will need a transformer that can handle AT LEAST 300 watts, but you would likely want to overshoot that wattage by 100-200 watts to give your system room for expansion and ensure the load is not maxed ...
4. Are outdoor transformers waterproof?
"Transformer, although classified as waterproof up to 30 centimetres in depth, should not be installed in water.
During our outdoor low-voltage transformer research, we found 102 outdoor low-voltage transformer products and shortlisted 10 quality products. We collected and analyzed 6,094 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 £21.91.
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 SMY Lighting, DUSKTEC, YAYZA!, qingchenlight, CNBRIGHTER. The seller of top 1 product has received honest feedback from 16 consumers with an average rating of 4.8.

Mohammed Clark is an architect and a contractor. His architectural skills are not limited to designing the plan for structures alone, but it extends to aesthetics and home décor. Before establishing his firm, he worked under a construction firm for eight years. Mohammed has gathered enough experience from his time practicing as a professional architect and now has vast knowledge in home designs and aesthetics.