How To: Take apart an old broken power supply and turn it into a battery charger

Take apart an old broken power supply and turn it into a battery charger

Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by watching this video and checking out the circuit diagram here.

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