The Black & Decker GKC3630L20 Cordless Chainsaw is powered by a lithium-ion battery for fade free battery power and offers approximately 560 x 3.5cm cuts per battery charge. It has a light weight design for easy use and manoeuvrability and a tool free chain tensioning system for quick and easy chain fitting and adjustment. The chainsaw has improved ergonomics with an optimised balance and comfortable bale handle for greater comfort. It is fitted with a simple, leak-free oil system with automatic chain oiling and a viewing window to minimise spillages when filling. Supplied with 1 x 36 Volt 2.0Ah Li-Ion Battery. Specification Bar Length: 30cm. Chain Speed: 5m/s. Chain Pitch: 3/8in.Chain Drive Links: 45.Oil Tank Capacity: 110ml.Charging Time: 90 Minutes.Weight: 3.8kg.