Greenworks 20262. . Features: High performance 40V G-Max Lithium-Ion battery delivers fade-free power with no memory loss after charging. Robust 12-in steel chain and bar with tool-less chain tensioning offers ease of use while delivering the highest cutting performance. 3/8-in chain pitch delivers the right amount of capabilities to get those limbs trimmed and cut with minimal kickback. Rear handle design provides excellent control, especially during overhead use. Over-molded handle for increased user comfort. Auto-oiler with clear-view window for easy oil level checks. Please Note: 40V G-Max and 40V Li-Ion Batteries are not cross compatible; this tool is compatible with the G-Max 2.0 Ah battery (29462) and the G-Max 4.0 Ah battery (29472).