Integrated pro-battery with exceptionally high capacity. Designed to optimize productivity and long runtime in all weather conditions. Available in several configurations, it is an affordable way to increase uptime without having to invest in backpack batteries.Efficient cooling and intuitive 4-LED charge indicator. Fits K535i Power Cutter Specifications Battery Capacity, Ah 9.4 Battery output power, Wh 337.0 Battery Type Li-Ion Battery Voltage, V 36 Cells per Battery 30 Battery Weight 4.2 lbs Bluetooth Connectivity No