The EGO Commercial Backpack Link with Peak Power™ delivers power without limits, as you can endlessly swap batteries to extend the runtime of your handheld EGO Commercial tools without weighing them down. The Backpack Link features Peak Power™ technology, which combines the power of two included EGO 56V 10.0Ah ARC Lithium™ batteries to optimize runtime and performance of handheld tools without adding weight to the tool itself. It’s compatible with the PGX™ Commercial Charging system via an included adaptor allowing you to conveniently charge without having to remove the batteries from the setup.