Stanley SFMCCS630B With advanced battery technology, no memory effect and minimal self-discharge, the V20 Li-ion battery is ready to go wherever you are, wherever you go - and for longer. 30 cm guide bar and 7.7 m/s chain speed for fast and efficient cutting. The brake mechanism stops the chain in less than 1 second. An automatic lubrication system reduces manual maintenance to a minimum. Tool-free chain tensioning system for quick and easy chain adjustment. Compact, thoughtful design Integrated spirit level ensures accurate, precise and even cuts every time. Thanks to its compact design, weighing only 2.6 kg, the use of the device reduces user fatigue. The integrated battery status indicator allows you to conveniently monitor the battery status. Integrated handle for secure storage - compatible with the STANLEY® Track wall system - a versatile, flexible storage system for the home, garage or workshop. Part of the Stanley Fatmax V20 Cordless 18V System - Power all your V20 tools with the new and improved 18V Li-Ion battery that will keep you going with ease.