Hello It is now several weeks that I possess this battery, and I'm thrilled! I recharge my day such as a 2 except when using GPS or it will be every day. In short, as with the original battery that will have 1 year duration. I hope this one will do the same, if not the worst, I gain a few months before being forced to buy a new phone! Delivery amazon, as usual: receipt of the product before the date of shipment! I highly recommend the vendor and the product!