James, I also bought a brand new battery at Home Depot, and it does the same thing. Unfortunately this was an impulse buy, I normally read reviews BEFORE I make a electrical tool purchase. I just happened to pass by this place, and couldn't pass up the 20 percent off, even though it was reconditioned. I've since read the reviews and 99 percent of them are bad. All complaining about the charger giving out after a few months to a year. Mines was bad out the box. AND unfortunately, I read on the receipt, no returns. I talked to the salesman on the phone, he will give me another charge to try. But after all the bad reviews, short of a refund, I won't shop their again.