The 18V STANLEY® FATMAX® V20 30cm Chainsaw features a 30cm bar and 7.7m/s chain speed for fast, efficient cutting, as well as a chain break safety mechanism that stops the chain in less than 1 second, a tool-free chain tensioning system for quick and easy chain adjustments and an auto-oiling system for minimal tool maintenance. Lightweight and compact for reduced user fatigue and complete with an integral battery state of charge indicator for convenient monitoring of battery charge levels and an integrated hanging hook for safe storage. Part of the new 18V STANLEY® FATMAX® V20 Cordless System. The 4.0Ah battery and 2A charger are included.