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Can I recharge an old power tool battery after it seems to have stopped taking a charge?

April 26, 2017battery charge power recharge stopped taking Tool

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Can I recharge an old power tool battery after it seems to have stopped taking a charge?

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There is a belief that you can recondition your old nickel based battery. Nickel based batteries will crystallize after a period of time and use. Some people say that you can break up the crystallization by running the battery at a very low volt (.5V or less) over a long period of time, and doing this over and over a couple of times as the battery drains. However this process can take a long time and has not been scientifically proven to work, so in most cases, your best bet is to replace the old battery.