For 20V Li-ion Battery Convert to for 18V Li-ion Battery Tool, this converter can be used on for 18V Li-ion Battery tool for ! For 20V lithium battery, let your for 20V lithium battery share battery with for 18V lithium battery tool. combination power , non-slip design. For a long time do not use, Please separate from the battery. This converter does not support charging For 20V LiPo batteries through the converter! Battery Adapter Converter Model No : For 20V to for 18V Bottom of converter For 20V battery model: PAP 20 A1,PAP 20 A3,PAP 20 B1,PAP 20 B3,For 20V XTeam Li-Ion Battery Top of converter Convert to for battery model: Lithium-Ion 18V Battery:BL1815,BL1815B,BL1820,BL1820B,BL1830,BL1830B,BL1840,BL1840B,BL1850,BL1850B, BL1860,BL1860B,BL1845,BL1890,BL1890B WARNING: Make sure that the battery is fully inserted for normal use Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong This product is only compatible with the tools, not compatible with the charger, Do not use the adapter to charge the battery When you need to charge the battery, remove the converter Color: As Shown Material: plastic Package Contents: 1 * Adapter(battery 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.