Battery and Charging
AssemblyFour AA alkaline cells provide 40–50 hours operation; USB charging for rechargeable option. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Battery and Charging
4 top-level lines as of r52764| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Battery Holder | earth-ground-tester-battery-case | 1× | 1 | · | part |
| 2 | USB Charging Module | earth-ground-tester-charger-optional | 1× | 1 | · | part |
| 3 | Voltage Regulator | earth-ground-tester-voltage-regulator | 1× | 1 | · | part |
| 4 | Power Switch | earth-ground-tester-power-switch | 1× | 1 | · | part |