You will end up buying a new battery sooner than you think, that is if you don’t do preventative care. The best way to extend the life of a li-ion/lipo battery is to charge to 80% or 90%, and only discharge to 30%– and also minimize exposure to heat (don’t leave your phone in the car). Just like the Toyota hybrid cars, charging up to 80% ensures a long lasting battery life. lg increase battery life