【High Performance Powerful Motor&Cordless Design】 Cordless reciprocating saw with 15mm stroke Cutting more material for more efficient cutting. The variable speed motor offers superior efficiency and control and runs up to 3500 rpm. With a cordless design, you can get rid of annoying cables and space limitations with the reciprocating saw. 【2x5.5Ah Batteries & Compatible with Makita 18V battery】 The power reciprocating saws with 2 battery 5500mA,longer runtime than other batteries. With a 1.5-hour fast charger, the total working time can last for 30-60 mins, working efficiently up by 10%. Compatible with Makita 18V battery Bl1830 Bl1840 Bl1850 Bl1860 Bl1430b Bl1460b Bl1860b Bl1860b Bl1850b Bl1860b Bl1890b, etc. (Makita Battery Not Included) 【Tool-free blade replacement&4 blades included】 The tool-free blade replacement chuck allows quick and easy blade replacement and offers more comfort at work. The angle of the swivel boot can be adjusted to limited cutting areas. Comes with 4