This iPhone 5s Replacement Battery is what you need to bring that dead iPhone back to life. Grab the Fix Kit for everything you need to do the swap—or choose the part-only option if you have all the tools and adhesive needed.
For optimal performance, calibrate your newly installed battery by draining the battery below 10%, then giving it a full charge to 100%.
Note: the new “Battery Health” feature of most batteries in the current iOS Version is not compatible with this aftermarket battery. The battery will perform properly but iOS will not report on its health. The battery bar that displays how much charge you have left still works properly as well.