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
DEWALT 20V MAX POWERSTACK Compact Battery DCBP034 - The Home Depot
Waitley 6.0Ah Rechargeable Battery 18V 54V For DEWALT MAX XR Compatible 20V/60V Dewalt Power tool 6000mAh lithium Batteries _ - AliExpress Mobile