eLander Charger For Galaxy S4 Battery, Portable Extra Spare Batteries Charging Device Battery, Desktop Dock Station Cradle For Samsung Galaxy S4 IV I9500 Charge your extra phone battery, and always ready for your phone Compact and sleek fits in small purse or bag Item will come in Bulk packaging (Battery,USB Cable Not Included) Compatible Models: For Samsung Galaxy S4 The indicator light will flash to indicate the connect is working, and keeps red when charging your phone battery. Once fully charged, the light will turn green.