And if you ever want to see if your battery is going bad in the future, give it the spin test. Place the battery on a level surface. Push down on one corner and see if it spins. If it does, it's starting to swell and is on it's way out or already gone. Using it at this point is hazardous, as continuing to use it can turn that swell into a leaking or exploding battery.
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If it ain't broke, use a sledge hammer.