Earthwise 10-Inch Cordless LITHIUM Electric Pole Saw. Pole saw has adjustable length, telescoping shaft with a 9-Feet. fully-extended length; cutting angles, 3-position head: straight, 15, and 30 degrees and a powerful 18 volt 1-1/2 AH Lithium battery. Sharp, reliable 10-Inch Oregon chain and bar. Lightweight fiberglass pole with auxiliary handle for 360 degree rotation; Automatic bar and chain tension adjustments.