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Will wall chargers discharge a battery if not plugged to the wall or will they not allow reverse current? Answered

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Capt. Howdy

10 years ago

If it is a cheap one it will. I have a good one and a cheap one i use to charge sla batteries and the cheap one will discharge my batteries. I'm going to hook a diode to the cheap one and see if that helps.When i get a roundtuit lol.