Battery Converter convert from 18v lithium battery to work with 12V/14.4V Ni- power tools. voltage for 18V battery to 12V tool, let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 12V tools. The Adapter's Lower Interface is compatible with 18V Li-ion Batteries: BL1840B, BL1840, BL1815, BL1850B, BL1850, BL1860B, BL1830B, BL1830, BL1825, BL1835, BL1845, 194205-3, -400, etc.. The battery adaptor's upper interface is compatible with for 12V/14.4V Ni-CD Ni- DF031D DF331 DF0331D TD110D, JR103D, JR105D, HSS01D, HP332D, DC10SB DS032 HP330 HP331 HP331DSMJ HP332 TD110 DF331DSMJ HP332 TD110 DF331DSMJ HP332 TD110 DF331DSM10; and compatible with for PA14 1434 1420 1422 1433 1435 1435F 192699-A 192600-1 193158-3 193159-1 193157-5 194172-2 193985-8 193062-6 tools. Warm tips: this product is just a battery converter, not a battery. If you want to charge your battery or tool, please remove the adapter off and then use a professional charger to charge. Please note: due to different lighting or displays, the actual product may have color differences Colour: Red Material: ABS Package Contents: 1 * Battery Adapter (battery and tool are not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.