The old battery that date 3 years better hold a charge, all comments with a star are véridic, do not buy this battery even if you find that the price is tantalizing, you will be disappointed, can be after 2 months of use, the phone turns itself off at around 20 or 30%, and it is in fact close to 1/4 hour plugged in to the phone and found her little is finally usable. Go your way !!! and quickly !!!