Ever had a “dead” power tool battery that wouldn’t charge? It may not have been dead-dead. Some chargers have a safety feature that prevents trying to charge a battery completely out of juice. I was able to bring a Craftsman power tool battery back from the dead using a trick I found in the comments on a YouTube video. Sometimes it pays to read the comments.
This battery was part of a used Craftsman cordless tool set I practically stole. The set was a battery charger, small circular saw, reciprocating saw, nice case for those 3, drill/driver, nailer/stapler, and 2 batteries. Everything is in excellent condition and I only paid $30! The original sticker price on the box for the nailer alone was $80.
Nick Momrik 
Nice score!
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I still can’t believe what I got. Even at the $40, which it was listed for, I was going to take it. I was suprised when he agreed to my $30 offer.
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People buy new things because they think theirs are broken all the time. He probably thought he was ripping you off at even $30. ;p All the better for those of us who know better. 🙂
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[…] been able to revive a dead power tool battery before, but Ryobi has some extra protection so you can’t trickle charge them from the contact points […]
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