Conveniently charge two GoPro batteries simultaneously with this Dual Battery Charger and spare 1720mAh lithium-ion battery for your GoPro. It charges via most USB ports. For up to 38% faster charging,1 use it with the optional GoPro Supercharger (International Dual-Port Charger). Dual LED indicator lights display the charging status. Conveniently charges 2 GoPro batteries simultaneously. Optimizes charging so you’ll get a fully charged battery as quickly as possible. Dual LED lights display charging status of both batteries. Pack of 1 battery. Rechargeable . 3.85V. 1720mAh. Manufacturer’s 1 year guarantee. EAN: 818279026306.