Dual Power - 40V LG Cell Battery - 2.5AHThis 2x20 V battery is compatible with all power and gardening tools from the Dual Power product range. The battery with LG cells has a high capacity of 2. 5 Ah. You can use the 2x20 V battery on both 20 V and 40 V tools. If you combine the battery with a 20 V Dual Power tool, you can work twice as long. 3 LED indicators show the remaining battery charge level, so you know at all times whether you need to charge the battery. Features: Battery