40V MAX XR Brushless Li-Ion 16 in. Cordless Chainsaw - DCCS690X1R. Bar Sheath. 40V MAX Premium XR 7.5 Ah Lithium-Ion Battery - DCB407. 40V MAX Standard Charger - DCB114. Low kick back 16 in. Oregon bar and chain. Auto-Oiling with LubriLink and LubriWell for continuous lubrication. Quarter-turn oil cap for quick oil refills. Tool-Free chain tensioning and bar tightening knob for proper bar clamping force. Part of the 40V MAX system of Outdoor Power Equipment. High-efficiency brushless motor maxim