Shenfu&reg; LG G4 Battery kit [2 Batteries / 1Charger] 2 X 3500 mAh [Long Lasting] Spare Replacement Li-ion Battery Combo with Portable USB Travel Wall Charge Package include: 2 g4 batteries and 1 battery charger The complimentary battery charger included with this purchase trickle charges the battery for maximum battery life. The LED display 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. Compatible with all LG G4 (2015) Models and Carriers (USA and International Models).