DCA1820 Adapters: Compatible with for DCB201 DCB203BT DCB205 DCB206 batteries.Function : Convert for 20V lithium battery to run most 18V / NANO tools DCD950 DCD970 DCD825 DC827 DC9180 DC9099 DC9098 DE9039 DE9095 DE9096 DE9098 DW9095 DW9096 DW9098. (NOT fit for DC970 or DC759).Widely Compatibility: Fits perfectly with for 20V MAX XR Slide-on Lithium-ion Battery DCB206 DCB206-2 DCB205 -2 DCB203BT -2 DCB202 DCB201 DCB180 (NOT work with 12V/20V/60V FLEXVOLT Batteries).Attention : The DCA1820 adapter cannot be used for charging. When the adapter is plugged into the 20V lithium Ion Battery DCB205 etc., it cannot be plugged into the charger.Easy to Install: This adapter requires no adjustment and is designed to be as easy as possible to operate. Simply slide the adapter into the tool handle, then place your battery pack into the bottom of the adapter. You can use your 18v tools with the 20v batteries with this adapter.WARNING: The battery pack must be removed from the adapter before charging. The adapter can' be charged. To reduce the risk of personal injury, turn the tool off and remove the battery pack before making any adjustments or removing/installing attachments or accessories.Type: Battery Adaptercolor:BlackMaterial:ABS+PCPackage Contents:1 x 18V to 20V AdapterOnly the above package content, other products are not included.Note: Light 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.