This 20V battery fits all 20V devices from the Dual Power range, both power tools and garden tools. It has a capacity of 4.0Ah. Thanks to the 3 LED lights, you can easily check the remaining capacity of the battery. This way you know at any time whether you are about to charge the battery or not. Technical features Type of battery/battery Other type of battery Voltage 20 V Type of battery/battery material Lithium-ion Battery/battery empty warning message Battery/battery weight 512