Finding the right LED power supply is just as important as finding the right LED-supported devices for your home, office or vehicles since they are what ensure your lights operate efficiently and reliably. Whether you’re working on a home project or an industrial setup, a high-quality power supply can make a significant difference.
As an experienced reviewer, I’ve tested numerous LED power supplies and assessed them based on factors like performance, durability, and ease of use. This guide will help you pick the perfect power supply for your needs.
- Output Voltage And Current: Ensure the LED power supply provides the correct output voltage and current for your LED lights. Typically, LED lights require a constant voltage of 12V or 24V, and the current should match the LED specifications, often ranging from 0.5A to 10A depending on the light setup.
- Wattage And Power Output: Choose a power supply with sufficient wattage to meet the needs of your LED setup. Ensure the power output is at least 20-30% higher than the total wattage of your LEDs to account for any potential fluctuations and avoid overloading. For example, if your LEDs total 60W, choose a power supply with at least 75-80W.
- Efficiency: Look for a power supply with high efficiency to minimize energy waste and reduce your electricity bill. Aim for a power supply with an efficiency rating of 80% or higher. High-efficiency models can achieve up to 90-95% efficiency, converting more of the input power into usable output.
Best LED Power Supplies – Features Compared
Best LED Power Supplies – Reviews
1. SoulBay SB-12V1A LED Power Supply
If you’re on the hunt for a reliable 12V power adapter, the SoulBay SB-12V1A is a model you might want to add to your list. It offers top-notch safety with protections against over-voltage, over-current, short circuits, and overheating because of its ETL and RoHS certification. The 5-foot cord gives you enough flexibility, though some might find it a bit long for smaller setups. This adapter covers a wide range of applications, from powering CCTV cameras to LED strip lights with a solid 12V output and 1A current. It also comes with 8 different adapter tips, which makes it incredibly flexible for various devices.
Specifications:
- Connectivity Technology: 5*2.1mm Jack Interchangeable
- Connector Type: Barrel Connector
- Compatible Devices: LED Strip Lights, Cameras, Speakers, GPS, Router, Keyboards, Monitors
- Included Components: Adapter, Adapter Tips
- Special Feature: Short Circuit Protection
- Colour: Black
- Input Voltage: 110 Volts (AC)
- Mounting Type: Wall Mount
- Amperage: 1 Amps
Pros:
- Universal compatibility as it can work with multiple devices.
- Convenient all-in-one design and easily replaces multiple lost chargers.
- Compact and easy to store.
- Arrived quickly and was easy to set up.
- Affordable price for a versatile charger.
Cons:
- Extremely hazardous; caused significant property damage and potential health risks.
- Poor quality control; led to device malfunction and near-disaster.
2. R-Tech R-12V1A LED Power Supply
When it comes to powering your 12V electronics, the R-Tech R-12V1A makes a good choice as it gives you both reliability and flexibility. With a wide input range of 100-240V and a stable 12V 1A output, it guarantees a consistent performance for a variety of devices. It has a 56-inch cord length that offers just the right amount of flexibility for setup, while the 5.5mm x 2.1mm connector fits well with several gadgets. It prioritises safety with its automatic overload cut-off, over-voltage protection thermal cut-off, and short circuits making it ideal for LED strips, CCTV cameras, routers, and more. This adapter is designed to handle diverse applications. Plus, it comes with easy customer support and a satisfaction guarantee, offering you peace of mind with every purchase.
Specifications:
- Connector Type: Barrel Connector
- Compatible Devices: Speakers
- Included Components: Power Supply
- Special Feature: Short Circuit Protection
- Colour: Black
- Input Voltage: 240 Volts
- Mounting Type: Wall Mount
- Amperage: 1 Amps
- Wattage: 60 watts
Pros:
- Has a strong power supply and it successfully revived old devices.
- A handy 5-pack ensures you have spares for future projects.
- Easy to modify for specific uses; adaptable to various projects.
- Reliable with consistent performance; no issues after weeks of use.
- UL listing provides peace of mind regarding safety standards.
Cons:
- Poor longevity; multiple units failed within 3 years.
- Overheating issues lead to device flickering and instability.
3. ALITOVE-12V30A LED Power Supply
After playing around with the ALITLOVE-12V30A, I can say that this would be the perfect LED power supply for CCTV cameras, audio amplifiers, and other electronics, because of the steady performance it gives. It acts as an efficient power source and features an adjustable output voltage range of 12V ±15% which guarantees flexibility for different charging needs. What I liked was how the integrated cooling fan comes with activates only when the temperature exceeds 113°F (45°C). This optimises heat dissipation and maintains a stable voltage consistency without any fluctuations.
Specifications:
- Connectivity Technology: Wireless
- Connector Type: Terminal Screw
- Compatible Devices: Cameras, Printers
- Compatible Phone Models: Universal
- Included Components: cable
- Special Feature: Adjustable, Short Circuit Protection, Wireless
- Colour: 30A Silvery
- Input Voltage: 220 Volts
- Mounting Type: Wall Mount
Pros:
- Perfect replacement for a mini fridge; easy drop-in installation.
- The compact size fits well into the existing space.
- Reliable with steady performance over weeks of use.
- Handles high-power demands without issues.
- Versatile, and can be used for other electronic projects.
Cons:
- The power supply failed twice within a few weeks, dropping to 5 volts both times.
- Frequent replacements due to malfunctions highlight serious reliability issues.
4. Waysse Power Supply Adapter
This advanced 12V LED power supply from Waysee can power a variety of devices like LED strip lights, wireless routers, CCTV security systems, and 3D printers. With a bunch of safety features like automatic overload cut-off, over-voltage protection, and thermal cut-off, it gives you a stable output with no voltage fluctuations and protects your electronics from potential damage. With a commitment to low-temperature operation, this adapter eliminates the chances of fire hazards, spontaneous combustion, and noise issues. Additionally, it comes with a 1-year warranty and includes both a power adapter and cord. However, I would suggest that for optimal performance, make sure the adapter’s plug is clean and connections are secure.
Specifications:
- Connectivity Technology: Wired
- Connector Type: Barrel Connector
- Compatible Devices: Fan, Light Strip, Cameras, Speakers, Scales, Lamp
- Compatible Phone Models: An adapter is not a charger and cannot charge phones. Ensure you purchase based on your specific requirements.
- Included Components: Power Adapter, Power Cord
- Special Feature: Portable, Travel, Automatic Off, Short Circuit Protection
- Colour: Black
- Input Voltage: 240 Volts
- Mounting Type: Wall Mount
Pros:
- Adequate power for high-demand surveillance cameras.
- Convenient design with a long DC tail and conventional plug.
- Flexible usage, suitable for outdoor settings with some protection.
- Excellent for handling PTZ functions and LED outputs.
- Compact and efficient for tight setups.
Cons:
- Inadequate customer support; no response for warranty claims.
- The length of the cords was shorter than expected which required additional purchases.
5. Chanzon CHZ-12V2A LED Power Supply
The Chanzon CHZ-12VA LED power adapter makes a top pick by most reviewers as it is an energy-efficient power supply which saves up to 15%-20% on electricity compared to Level V adapters. Its key feature includes an Anti-interference Magnetic Ring, which helps avoid Electromagnetic Interference, giving you a stable and reliable performance. This power adapter offers a broad input range of AC 100V-240 with a 6-foot flexible cable and can accommodate multiple devices like LED strip lights to CCTV cameras. With an output of 12V DC and up to 2A, it features a self-adapting barrel plug and includes a screw terminal DC power connector for direct wire connections.
Specifications:
- Connectivity Technology: 12v 2a
- Connector Type: Wireless, Barrel Connector
- Compatible Devices: Electronic Keyboards, External Hard Drive, LED Strip, CCTV Cameras, Cable Modem / Router
- Compatible Phone Models: 12v 2a
- Included Components: 6 Ft (1.8m) Power Cable, 2.1mm * 5.5mm and 2.5mm * 5.5mm DC power plug, 12v 2a power supply
- Special Feature: Short Circuit Protection
- Colour: 2A 24W
- Input Voltage: 120 Volts (AC)
- Mounting Type: 12v 2a
Pros:
- Successfully replaced the original power supply; worked perfectly.
- Compact design; fits well without blocking other outlets.
- Cool to the touch even after extended use.
- Higher amperage rating, ensuring longevity.
- Sturdy packaging and build quality.
Cons:
- The output was extremely noisy and unsuitable for sensitive electronic equipment.
- Power delays and occasional flickering when powering up.
6.ALITOVE-12V10A LED Power Supply
The ALITLOVE 12V10A DC power supply offers an impressive performance with an output of up to 10A and 120W. It has an input range of 100V-240V at 50/60Hz and can accommodate various plug sizes including 5.5mm x 2.1mm and 5.5mm x 2.5mm. What I liked while testing it out was its voltage consistency which makes sure that there are no fluctuations during operation, protecting your electronics from potential damage. This power supply is compatible with a wide range of devices that draw less than 10A, such as LED strip lights, 3D printers, CCTV cameras, and audio amplifiers. However, for optimal performance, I would recommend using up to 80% of its full load capacity (8A).
Specifications:
- Connectivity Technology: Barrel DC 5.5mm*2.5mm/2.1mm
- Connector Type: Wireless
- Compatible Devices: Cameras, Printers
- Compatible Phone Models: LED Strip, CCTV Camera System
- Included Components: 1x 12V 10A power supply adapter, 1x power cable
- Special Feature: Short Circuit Protection
- Colour: Black
- Input Voltage: 120 Volts (AC)
- Mounting Type: Wall Mount
Pros:
- Accurate voltage output makes it perfect for sensitive electronics.
- Handles power spikes effectively and is ideal for multiple hard drives.
- Quiet operation as there are no annoying high-pitched noises.
- Sturdy build quality leads to no overheating issues.
- Versatile; works well for various 12V devices.
Cons:
- Poor quality control and inconsistent connectors.
- Safety concerns; melted wires and potential fire hazards.
7.ALITOVE-24V5A LED Power Supply
If you are looking for a 24-volt DC power supply for your LED-supported devices, the 24V5A from Alitove is something you might like. With a powerful 120w output and a maximum current of 5A, it is suitable for a wide range of devices like your LED strip lights, wireless routers and more and is compatible with both 5.5mm x 2.5mm and 5.5mm x 2.1mm jack sizes. What makes this product better is the peace of mind it gives you because of its safety features that include overload cut-off, over-voltage, thermal cut-off and short circuit protection and a stable 24V output protects your electronic devices against fluctuations, giving you consistent performance.
Specifications:
- Connectivity Technology: DC 5.5mm x 2.5mm
- Connector Type: Barrel Connector
- Compatible Devices: Cameras
- Included Components: 1x 24V 5A power supply adapter, 1x power cable
- Special Feature: Short Circuit Protection
- Colour: 24V 5A Power Supply
- Input Voltage: 120 Volts (AC)
- Mounting Type: Wall Mount
- Amperage: 5 Amps
Pros:
- Improved performance of Nobsound NS-01G amp; noticeable boost in power.
- Reliable even under high load for extended periods.
- Solid build, handles the power demands without overheating.
- Compact and easy to integrate into existing setups.
- Stable power output, no fluctuations or noise.
Cons:
- Severe safety issue; sparks and crackling noises observed during use.
- Inconsistent power delivery, especially with specific devices.
8. Wefomey WFM-363000
After testing The Wefomey WM36300, I was impressed with its adjustable voltage range from 3V to 24V DC, and how it covers almost all household AC/DC appliances with its 14 DC tips, including Micro-USB and Type-C which I feel makes it highly versatile for a lot of devices like wireless routers and LED strip lights. It is rated at 72W, 3A max and would make a reliable choice for powering multiple gadgets while protecting them against overloads and short circuits. Its upgraded design features a rotatable button for precise voltage control and an LED display for real-time monitoring, which increases safety and convenience.
Specifications:
- Compatible Devices: Tablets, Cameras, Printer, Speaker
- Specific Uses For Product: TV, PC, Speaker, DVD Player, Tablets, Laptop
- Connector Type: Coaxial
- Colour: Black
Pros:
- Versatile with adjustable voltage settings for precise control.
- Ideal for audio equipment with specific power needs.
- Compact design with a visible voltmeter for easy monitoring.
- Included adapters make it easy to switch polarity as needed.
- Well-suited for microelectronics, providing stable and accurate power.
Cons:
- Quality control issues because the product appeared used upon arrival.
- Intermittent connection issues which require constant adjustment.
9. LLTOP-24V12.5A LED Power Supply
Unlike most of the products in this list which are only suitable for indoor products, the LLTOP-24V12.5A LED Power supply is ideal for outdoor applications like landscape and roof lighting. To ensure its durability and reliability, it goes under rigorous burn-in testing, and while I could not verify that of course, the tests I did gave me the confidence that it wasn’t fault advertised. Other factors that guarantee a reliable performance are the constant 24V DC output, combined with multi-safe protections against short circuits, overload, overvoltage, overcurrent, and high temperatures.
Specifications:
- Power Source: Corded Electric
- Current Rating:5 Amps
- Maximum Frequency: 60 Hz
- Minimum Frequency: 50 Hz
Pros:
- High-quality construction makes it durable and reliable.
- Ideal for motors, pumps, and lighting systems.
- Compact size, easy to hide and transport.
- Effective heat regulation, preventing overheating.
- Versatile usage; works well with various 12V connections.
Cons:
- Significant safety concerns; two units failed and exploded.
- Delayed power-on and overheating issues after prolonged use.
10.EMITEVER-24V2.5A LED Power Supply
I found the EMITEVER 24V DC LED Power Supply ideal for powering 24V LED-supported items like strips, modules, and under-cabinet lights. It delivers a reliable 60W, 2.5A output, giving you a consistent performance for your LED setups. This power supply requires no hardwiring or technical expertise as all you need to do is install it in a wall, making installation feel like a breeze. It is compatible with 24V single-colour PWM dimmers and RGB controllers and comes with a 5-year warranty.
Specifications:
- Power Source: Corded Electric
- Mounting Type: Wall Mount
- Current Rating: 1 Amps, 2 Amps, 1.5 Amps, 1.8 Amps
- Maximum Frequency: 60 Hz
Pros:
- It successfully revived a non-functional Klipsch soundbar.
- Solid build quality with durable cables.
- Includes a useful power indicator LED.
- An additional wire terminal adapter adds versatility.
- Long power cord, convenient for various setups.
Cons:
- The barrel connector did not fit properly, requiring modifications.
- Insufficient power output for longer LED strips leads to device failure.
What To Look For In The Best LED Power Supply: A Buying Guide
Choosing the right LED power supply is crucial to ensure your LED lights operate efficiently and reliably. Here’s a simple guide to help you select the best one for your needs:
1. Output Voltage And Current
The output voltage of your power supply should match your LED lights’ requirements, typically 12V or 24V DC. For example, if you have a 120W LED setup running on 12V, you’ll need a power supply 12V with at least 10A of current. Always choose a power supply unit with a slightly higher current rating than needed to ensure safety and avoid overloading.
2. Wattage And Power Output
Wattage is crucial as it determines how much power your power supply can deliver. LED power supplies range from 12W to 500W. For reliable performance, select a power supply with a wattage rating 20-30% higher than your total LED wattage. This extra capacity helps handle power fluctuations and extends both the power supply and LED lights’ lifespan.
3. Efficiency
Efficiency shows how well your power supply converts input power into useful light output. Aim for a power supply with at least 85% efficiency. For instance, a 90% efficient power supply converts 90 watts of input power into 81 watts of light, wasting only 9 watts as heat. Higher efficiency saves on electricity bills and reduces environmental impact.
4. Protection Features
Look for power supplies with built-in protection features to keep your setup safe:
- Short Circuit Protection: Prevents damage from accidental shorts.
- Overcurrent Protection: Limits current flow to avoid overheating.
- Overvoltage Protection: Guards against voltage spikes.
- Overtemperature Protection: Shut down the power supply if it gets too hot.
5. Cooling System
A good cooling system prevents overheating. Higher-wattage power supplies or those used in hot environments benefit from active cooling, like fans. Lower wattage units in cooler conditions might only need passive cooling, such as heat sinks. Make sure the cooling system suits your power supply’s rating and environment.
6. Certifications And Standards
Certifications ensure the safety and performance of your power supply. Look for:
- UL: Safety standards in the US and Canada.
- CE: Compliance with European safety and performance standards.
- RoHS: Minimal hazardous substances.
These certifications help guarantee that your power supply unit meets quality and safety standards.
7. Additional Factors
- Size and Weight: Check if the power supply fits your installation space.
- Mounting Options: Choose a unit with suitable mounting options like wall mount or DIN rail.
- Operating Temperature Range: Ensure it works within your expected temperature conditions.
- Warranty: A longer warranty period often reflects better reliability.
- Brand Reputation: Opt for brands known for quality and good customer support.
By keeping these factors in mind, you’ll be able to select the best LED power supply to meet your needs and ensure the optimal performance of your LED lighting system.
FAQs:
A 12V power supply is suitable for standard LED setups, while a 24V power supply is used for more demanding applications. Higher voltages are often more efficient for long runs.
Yes, you can use a power supply switch to control the power to your LED lights. Ensure that the switch is compatible with the voltage and current ratings of your power supply unit.
To calculate the wattage, add up the total wattage of all your LED lights and choose a power supply with a rating that exceeds this total by 20-30% to handle any power fluctuations.
Look for a power supply with at least 85% efficiency. This means that most of the input power is used for lighting, reducing energy waste and lowering electricity costs.
Check if the power supply unit has active cooling features like fans or passive cooling like heat sinks. Higher-wattage power supplies generally need better cooling systems.
Yes, some power supply units are designed to be waterproof or water-resistant, typically indicated by an IP rating. This is useful for outdoor or wet environments.
Look for certifications like UL, CE, and RoHS. These certifications ensure the power supply meets safety and performance standards.
Yes, using a power supply with a higher wattage rating than necessary is fine and can be beneficial. It ensures that the power supply operates under less strain and extends its lifespan.
Using an under-rated power supply can lead to overheating, reduced lifespan, or even failure of the power supply unit and connected LEDs. Always match or exceed the required wattage and current ratings.
Regularly check the efficiency of your power supply especially if you notice changes in performance or energy bills. Ensuring that the power supply maintains its efficiency can help save on electricity costs and prevent potential issues.
Conclusion
After evaluating numerous LED power supplies, I found that these products are top-rated for their efficiency, reliability, and comprehensive features. These models excel in delivering consistent power while offering essential protections, cooling systems, and high energy efficiency. By selecting one of these top-rated power supplies, you give yourself a product which gives you optimal performance and longevity for your LED lighting system, making your setup more reliable and efficient.
