Makita Cordless Chain Saw Model Number: BUC122Z In-use data available Models BUC122 have been developed as the first Makita cordless chain saws powered by 3.0Ah Li-ion battery. Features higher operation efficiency and powered by BL1830, 18V Li-ion battery. To be used by trained tree surgeons only! Compare View Product Makita Twin 18v Chainsaw 300mm LXT Model Number: DUC302Z Model DUC302 is a cordless chain saw powered by two 18V Li-ion batteries in series. Compare View Product Makita 18vx2 Chainsaw 350mm BL LXT Model Number: DUC353Z DUC353 is a cordless chain saw powered by two 18V Li-ion batteries in series. Compare View Product