Add ease and versatility to your 82-volt outdoor power tools with use of this transfer battery accessory. Designed to deliver power from a backpack battery source to any 82-Volt handheld power tool, this transfer battery takes the weight out of your tool while powering them. For use with AWP 100, 82BHX and 82BH1 harnesses in the Greenworks Commercial lineup. When used with backpack battery and harness, the BAB705 replaces GL500, GL400BT and GL250 batteries in operating any 82-Volt Greenworks Commercial leaf blower, hedge trimmer, string trimmer or edger with a battery cavity.