For Dewalt 18V XRP Battery 4.0Ah Replacement 4 Pack With DC9310 Batter
Amazon.com: Replacement Battery Adapter DCA1820 for Dewalt 18V Tools, Convert 18V / 20V Lithium Battery to NiCad/NiMH Battery, Makes The Battery can be Used for Nickel Drill and Charger : Tools &
18V Ni-CD Replacement Battery For Dewalt DC385B DC385K DC390
Lipower 3.0Ah 20V DCB203 Replacement Battery DCB204 - Compatible with DeWalt 20V MAX Battery DCB206 DCB206-2 DCB205-2 DCB200 DCB180 DCD/DCF/DCG/DCS Series Li-ion Battery Cordless Power Tools Batteries - Newegg.com