The DUC357Z is a cordless 350mm rear handle Chainsaw, powered by 18V Li-ion LXT slide type battery (not included), to supply energy to the 18V brushless motor, to deliver up to 610 Watt maximum output and 7.7 metres per second. The DUC357Z is equipped with tool-less change and tension adjustment of the saw chain, lock-off button, electric and mechanical brake, rear handle with soft grip and a large 150ml oil tank capacity, with oil viewing window. The DUC357Z features higher lock torque, achieved by adding gear reduction mechanism to allow for heavy duty applications including cutting operations with the Chain Saw pressed against the wood and battery protection circuit, designed to protect the battery against damages due to overheating, over-discharge and overload current. The DUC357Z is capable of up to 100 cuts on 100 x 100 cedar square timber, with 80N weight on the blade, 300mm guide bar, 90px saw chain and a fully charged BL1860B battery (not included). DUC357Z is not compatible with G-Series batteries.