BasTex Rechargeable 3000mAh Li-ion Battery for LG G3 OPTIMUS Compatible with LG G3 (CDMA-GSM) D850, D851, D855, LS990, LS740, VS985 Tested under strict quality control standards. CE and ROHS certified. Voltage: 3.8V. Capacity: 3000mAh. Built-in IC chip prevents overcharging. Guaranteed to fit your phone.