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Should I keep it in the fridge? Should I constantly discharge and recharge? Should I keep my hopes up or should I buy a new battery?

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Buy a new battery – kobaltz Jan 5 '12 at 1:32
up vote 1 down vote accepted

There is no hope for li-ion batteries in my experience, if they get old, they just get old, buy a new one, recycle the old one properly.

Li-ion batteries usually last a finite amount of time, regardless of use, though use will speed up the degradation process. Unfortunately it's just how it is. Read here for more on Li-ion batteries.

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Agree. When you have noticeably reduced runtime, your battery pack has lost a cell. There's no coming back from that (other than tearing the pack open and replacing the cell, a procedure not recommended for non-techies). – Jamie Hanrahan Aug 5 '14 at 19:39

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