The MX FUEL™ Portable Battery Extension reduces tool weight by up to 45% by relocating the battery to a comfortable backpack harness, improving ergonomics during demanding applications. It allows users to leverage XC and HD batteries on handheld equipment without compromising balance or performance, while maintaining peak power output. When paired with MX FUEL™ REDLITHIUM™ FORGE™ batteries, it delivers up to 2X more runtime for extended productivity. The detachable backpack harness and integrated folding handle provide flexible carrying and hanging options, and it is compatible with all MX FUEL™ battery packs. Built on advanced MX FUEL™ technology, it delivers powerful cordless performance without the emissions, noise, vibration, or maintenance challenges associated with petrol, corded, or pneumatic equipment.