DIY adapter with balance leads for 20v DeWalt battery for charging/discharging. Could only find 2 pin adapters, so I made this 8 pin one. : r/diyelectronics
For DCB102 Dewalt USB Dual Fast Charger 12V/20V Li-ion 14.4V-18V Battery Charger
TOUGHSYSTEM® 2.0 20V MAX* Dual Port Charger | DEWALT
DEWALT 12/20V MAX Battery Charger, Corded, Dual Charging Station, 2-USB Ports Included (DCB102) : Amazon.co.uk: DIY & Tools
DeWalt DCB110-GB Battery Charger For 10.8v/12v Li-Ion Batteries | Powertool World