Heavy duty backpack battery with high capacity for outdoor work far from the nearest power outlet. Robust design guaranteed to withstand daily professional use in all weather. LED charge indicators on battery pack, plus exact battery charge percentage readable from adapter simplifies work planning for the user. Fits to advanced ergonomic harness that allows for a perfect fit. The easily detachable battery module means users can share batteries freely without swapping harnesses. Select product variant below for backpack battery with adaptor and harness.