LG G Stylo Battery, LG G Stylus / LG G4 Battery,[LS770 / H631 / H818] AnoKe 1 x Universal Battery Charger + 2 x 2900mAh Li-ion Rechargeable Battery Replacement [18-Month Warranty] Compatible Models: LG G4 BL-51YF / G4 / H818 Package Include : 2 x 2900mAh Li-ion Rechargeable Replacement Battery + 1 x universal battery charger Batteries (3.85v, 2900 mAh) AnoKe batteries use high quality cells batteries have an integrated microchip to prevent overcharging and overheating that helps lengthen the life of your battery. Universal battery charger: The Universal battery charger included with this purchase trickle charges the battery for maximum battery life. that shows charging status. Trickle charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. This is not a high speed charger.(2500mAh Battery need charge about 4 hours) Guides:Please make sure the charging pins "+" "-" are aligned correctly,or you may find it can't charge your battery.If it is connecting,blue light will on; If universal charger is charging, red light will on. Batteries 24-Month Warranty: If you have any problem with this product , please feel free to contact us, we will reply you within 24 hours.