Batteries
Cell types
Lithium-Ion
- Nominal voltage: 3.6V per cell
- Max voltage: 4.0V per cell
- Standard formats
- 18650 (cylindrical, 18mm diameter, 65mm length)
- 21700 (cylindrical, 21mm diameter, 70mm length)
Power tools
EGO
- Nominal voltage: 50.4V
- Max voltage: 56V
- Configuration: 14 cells in series (14S)
- Specifications: TBC
Milwaukee
12V range
- Nominal voltage: 10.8V
- Max voltage: 12V
- Configuration: 3 cells in series (3S)
- Specifications: https://docs.google.com/spreadsheets/d/1usRx0SaAzI6HDtq66BLmKmeCPg4sxZbSzwwg6f-Af94/
18V range
- Nominal voltage: 18V
- Max voltage: 20V
- Configuration: 5 cells in series (5S)
- Specifications: https://docs.google.com/spreadsheets/d/1usRx0SaAzI6HDtq66BLmKmeCPg4sxZbSzwwg6f-Af94/
Common problems
Below are the most common power tools battery problems by brand.
EGO
TBC
Milwaukee
- Inbalanced cells
- Unsoldered tabs