Mobile Phone Battery AVACOM for LG H815 G4 Li-Ion 3.85V 2900mAh:Has your mobile phones battery been losing charge? The AVACOM for LG H815 G4 Li-Ion 3.85V 2900mAh Phone Battery makes a backup power supply. It is designed for LG phones, more specifically G4. The Lithium-ion (Li-ion) Phone Battery has a capacity of 2900 mAh, which ensures longer run time. To ensure a long battery life, please read and follow the instruction manual on suitable charging. Highlights of the AVACOM for LG H815 G4 Li-Ion 3.85V 2900mAh Battery Restores the performance of your mobile phone To be used for LG mobile phones, specifically G4 Capacity of 2900 mAh, intensity of 3,85 V Battery article: Lithium-ion (Li-ion)