The EGO POWER+ Backpack Link adds more run time and less weight to your EGO tools. The Backpack Link is a universal system allowing the user to put the weight of any EGO battery on your back rather than on the tool or in your hand for convenience. Connect the Backpack Link to any of your handheld EGO tools to reduce fatigue, while providing proper support to accomplish all your landscaping tasks. Constructed with padded shoulder straps, a chest buckle and hook. Carry the weight of the battery on your back, not on the tool. Get the bigger jobs done faster with the POWER+ Backpack Link. Compatible with all EGO POWER+ ARC Lithium batteries (available separately) to deliver Power Beyond Belief . Specifications: Compatible with all EGO POWER+ 56V batteriesAdd more run time to your handheld tools, not weightSuitable for use with EGO handheld toolsWeather-resistant construction5-year limited warranty