Kastar Charger with Car Adapter and Battery for Sony G Type NP-BG1 NPBG1 NP-FG1 NPFG1 Battery Battery Capacity : 1600 mAh Battery Type : Lithium-Ion - Battery Voltage : 3.7 V Charge indication Green lights for standby, Red is for charging and with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. High performance fully automatic charger designed to quickly and safely charge digital camera and camcorder battery. Car charger adapter included.