High Performance 40V Lithium-Ion Battery delivers fade-free power with no memory loss after chargingRobust 30cm (12\'\') steel bar and chain with tool-less chain tensioning offers ease of use while delivering the highest cutting performance10mm (3/8\'\') chain pitch delivers the right amount of capabilities to get those limbs trimmed and cut with minimal kickbackAutomatic oiler applies oil to bar and chain when needed to ensure durability and optimal use with a translucent oil tank for clear view of oil levelIncludes 40V 2AH Battery and Charger