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 amazon (compatible with BL1850 BL1860B BL1855 BL1840 BL1830 LXT-400 BL1820B BL1815)
The soft rubber handle provides comfortable operation and better control
The manual control switch and lock button can ensure safe use
Extra set of blades included
Ideal for fixing doors, fitting wood and correcting splinters, chips and misshapen edge etc