P20S Lithium-Ion Backpack Battery 60.0Ah is designed for professional users who need longer runtime and flexibility. This innovative backpack battery provides two operation modes: use it as a single 60.0Ah power source for 20V tools, or split it into dual 30.0Ah batteries for 20V+20V tools. Compatible with all Total P20S cordless tools, it’s built for maximum comfort, featuring an ergonomic backpack design, LED power indicator, and high-capacity 1080Wh output.