This 2x20V battery is compatible with all power and gardening tools from the Dual Power product range. The battery with Samsung cells has a high capacity of 2.5Ah. \n \nYou can use the 2x20V battery on both 20V and 40V tools. If you combine the battery with a 20V Dual Power tool, you can work twice as long. \n \n3 LED indicators show the remaining battery charge level, so you know at all times whether you need to charge the battery. \n \nDiscover our new generation of Dual Power batteries: a 20V and 2x20V Li-ion battery with an even higher capacity.