Dream Home Improvement

Power Charger

Can i use a battery charger for a power supply?

I have a old battery charger output = 50 amps @ 12vdc
input = 10 amps @ 120 vac and i was wondering if i could use it as a 12v power supply.There is no adjustment on the charger just a amp meter and a on/off switch with a cooling fan.

it will work, but it isn’t regulated. It could easily put out over 20 vdc on small loads. I would measure the output unloaded with a meter and compare it to when you hook up your device. This will run most devices as long as they are not too critical on the voltage inputted.

The ratings of 50 amps @ 12vdc is used to tell you at 12 volts this is the max current, not that the output is 12vdc.

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