Worked once then died, mostly fixed with pliers

Charged it. Put it on my weedwhacker. Whacked some weeds. (Which was annoyingly difficult since half the time I'd try to start it, it wouldn't go, but if I pushed the "go" button a bunch of times eventually it would turn on.) When the battery drained, I put it back on the charger and got the blinking red light indicating the battery is having problems. Also, it's hard to believe this is 5Ah when it's the same size and weight as the 3Ah battery. === Later I realized that the reason it was busted was that one of the metal contacts to the battery got all bent out of shape. Some pliers and I got it working again. I guess. Don't totally trust it.

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