100 percent New Multi Function External Dock Battery Charger Wall Home Spare Extra Travel for T-Mobile LG G Stylo H631 Smartphone

You do not need a special back cover to use this battery This package is specifically designed for the cellphones we list here, if your cellphone is not in the list , then it's not for you. ====================================================================== 100% Brand New. 1)AC/USB Desktop Battery Charger : * Quick charge with automatic constant current control prevents battery from over charging, short circuit, and electronic shock. * Charge your cell phone battery without the phone. * Also work with OEM (original) battery. * LED charging light indicator. Turn red in charging, turn blue when done. * Input: AC 100-240V 50/60Hz 150mAh. * Output: DC 4.2V 350mAh ± 50mA. * USB Port Output: 5.2V 800mAh. * Use this charger to charge the stock battery as well, swap one out when the other dies.