> if you can't find a replacement battery for that exact model. Usually there are compatible ones that still give you some juice for 1-2 years at a small fract

> if you can't find a replacement battery for that exact model. Usually there are compatible ones that still give you some juice for 1-2 years at a small fraction of the price (of the original one). If you worry about that, you can always buy an "official" battery in advance to be used 4-5 years later.