DEWALT DCA2203C Battery Adapter Kit, 18 to 20 V Input, 2 Ah, Battery Included: Yes

Allows for use of 20 V Max batteries in most DeWALT® 18 V tools. Adapter requires the use of 20 V Max chargers. Adapter will not fit in DeWALT® 18 V chargers. Includes (1) 18 V to 20 V Max adapter, (2) DCB203 Max XR Lithium-Ion batteries (2 Ah) and (1) 12/20 V Max charger.