WORX WA3526 24-volt Lithium Battery for WG167 Grass Trimmer and Edger For WORX cordless WG167 or upgrade to series: WG165, WG265, WG565, WG922 combo 2.0 Ah lithium technology charges quickly and powers your cordless WORX tool without waning or draining Max lithium batteries are lighter, more efficient, and charge with no memory effect Recommended to use with WA3733 24-volt lithium charger Great extra battery to have for the 24-volt WORX lithium tools Interchangeable with part number 50024101