Worx WG350E.9 20V Cordless Brushless Chainsaw 30cm Bar, High-Speed 10m/s Cutting, Tool-Free Tensioning, Auto Lubrication, PowerShare Compatible, Bare Tool – Battery & Charger Not IncludedPowerful & Efficient Cutting Equipped with a brushless motor and a 30cm bar & chain, this cordless chainsaw delivers 2X more power than previous models, cutting through trees up to 25cm in diameter with ease. Longer Runtime with PowerShare Batteries Achieve up to 55 cuts per charge when paired with a 4. 0Ah PowerShare Pro battery (sold separately). Compatible with all WORX 18V (20V MAX) batteries. Tool Free Chain Tensioning & Quick Replacement Save