Crazy K&A 3.8v 3000mah Extra Rechargeable Spare Li-ion Battery for Lg G3/f400/d830/d850 (2pcs) Battery Type: Li-ion Battery Voltage: 3.8V Capacity: 3000mAh Compatible with: LG G3 / F400 / D830 / D850 / D851 / D855 BL-53YH