NEW Replacement Battery for iPhone 4S 4GS 1430mAh Compatibility: iPhone 4S Package includes: 1 - New Replacement Battery for iPhone 4S Features - High Quality Li-Ion battery - Power Rating 3.7V--1430mAh - APN 616-0580 - All batteries are tested before shipment - This replacement battery has an integrated microchip to prevent overcharging and lengthens battery life - Best replacement battery with long-time standby and talk time - Light weight, high capacity and low impedance - Performs just as good as the original battery - This battery is compatible with iPhone 4S only. - This is a third-party replacement battery, made to perform just as well as an OEM battery.