Battery Smartle Standard Battery For Samsung Galaxy S4, I9500, I9505, M919 (T-Mobile), I545 (Verizon), I337 (AT&T), L720 (Sprint), R970 (U.S. Cellular/MetroPCS), Not for Galaxy S4 Active (2 batteries + Charger) High-quality and rechargeable lithium-ion cell, long conversation and standby time long working life and excellent security. Integrated microchip prevents overcharging & lengthens battery life. Rechargeable with no memory effect Stylish designmade by third party