inShareplus 12V Power Supply, 300W IP67 Waterproof LED Power Supply, AC 110-260V to DC 12 Volt 25A Low Voltage Transformer, LED Driver with 3-Prong Plug for LED Light, Computer Project, Outdoor Use

Vevor diesel heaters are really picky on the voltage. This thing works great.

Used to replace a damaged transformer. They did the job. The old transformed became too hot and blew up. this one did the job. No heat. All perfect.

This power supply plus a Pyle 200W Marine amplifier and two Pyramid 3.25" 300 Watt High Power Aluminum Bullet Horn tweeters makes an awesome electronic dog whistle, which is very useful for training barking dogs that are otherwise not in your control. You can send ultrasonic soundtracks to the setup from your phone using Bluetooth.

I am using this supply to power a 12vdc motor of my Riptide swimming pool vacuum that can draw up to 18 amps and has a 40 foot cable. I checked the resistance between the three sets of wires that come out of the power supply, and they all seem to be connected together (0 ohm resistance). I soldered all three sets of positive output wires together and same for the ground outputs. Measured good 12vdc at the wire connections with motor running, didn't have a way to measure the voltage drop at the motor at the end of the 42 foot length of cable (40 foot cable + 2 feet internal) nor the current drawn. However, motor runs strong with no noticeable slow down when subjected to a healthy mechanical resistance asserted by pressing forcibly on the blade hub. As others have noted, the diameter of the three wires seem small (may each be 16 or 18 AWG) for the current rating, but no recommended line length is specified so it is good for the advertised usage (e.g. LED lighting). If there is a volt drop at the motor it shouldn't be a big deal as long as it runs strong enough, which it seems to, and the wiring out of the power supply is only about a foot long so most of the voltage loss due to higher resistance would occur there and should be minimal due to the short length. No noticeable thermal warmth of the supply during operation. The wires could possibly get warm at the 25 amp max, but that shouldn't matter as long as the load has sufficient current to meet the application needs. There are other DC supplies with up to 15.5 vdc adjustable and 30 amps, but the advantage of this one is that is advertised as waterproof and the others are not. This one is good enough and meets my application needs with margin.

This power supply arrived dead. It had zero volts DC on either output pair when tested with a volt meter. Given the zero voltage it failed to power a 3A 12V DC LED light I was using to test the supply. Tried the same outlet and LED light with my old DC supply and it worked perfectly.

Was exactly what I was looking for!

This is easy to install in. The quality is great.

I am using this light driver to power two strings of 12-volt down lights that I installed under the soffit around my house. I placed it in the attic space above my garage. It runs quiet and is warm, but not hot.