Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Kastar Dual Fast Charger, wide range compatibility, it can charge for batteries with 6.8V-16.8V of any capacity. Control MCU can automatically identify the voltage of the battery, going intelligent charge when being charging, and prevent overcharge. Intelligent Dual Fast charger LCD displays charging status, battery capacity, it can charge two batteries at the same time, change different plate, suitable for most of digital batteries. Charging type is CC/CV with well reliability and high efficiency, with the function of pre-charging and li-ion battery 0V activation which can effectively extend battery life. All Items 100% Compatible with Original Cameras and Chargers.