2pcs 2600mAh B600BC Li-ion Replacement Battery for Samsung Galaxy S4 i9500 i9505 , M919(T-Mobile) , I545(Verizon) , I337(AT&T) , L720(Sprint) , R970(U.S. Cellular/MetroPCS) ,(Non-NFC) 18-Month Warranty 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