KATSU FIT-BAT Cordless Tools Range they all take the same battery, works on both 18V or 21V, compatible with LXT range, use your current or easy to find on line (compatible with BL1850 BL1860B BL1855 BL1840 BL1830 LXT-400 BL1820B BL1815)
With brushless motor, the battery lasts almost twice longer than normal brushed motors, in addition it is maintenance free
Rubber soft grip coated handle, takes 115mm and 125mm blades
6 speeds controller switch achieves fast and efficient cutting grinding
Suitable for use indoor and outdoor without cord restriction and portable
Specification:
Brushless motor
No-load speed: 3000-9500rpm
6 speeds controller: 3000rpm/4500rpm/6000rpm /7500rpm/8500rpm/9500rpm
Spindle thread: M14
Blade diameter 115/125mm