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.
Battery and Charging parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Battery Holder | 1× | Battery holder for four AA cells |
| 2 | USB Charging Module | 1× | Optional USB charging module (rechargeable version) |
| 3 | Voltage Regulator | 1× | 5V and 3.3V linear regulators |
| 4 | Power Switch | 1× | Main power switch with low-battery indicator |
3D model
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Build & assembly graph
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Bill of materials for Battery and Charging
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | 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 |
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Where the battery and charging is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳CATL
catl.com ↗
|
Ningde, CN | Li-ion cell & pack maker | 5,000 cells | 8–12 wks |
| evebattery.com ↗ | Huizhou, CN | Li-ion cell maker | 5,000 cells | 8–12 wks |
| amararaja.com ↗ | Tirupati, IN | Batteries & energy | 5,000 cells | 8–12 wks |
| durapowergroup.com ↗ | Singapore | Li-ion battery systems | 5,000 cells | 8–12 wks |
|
🇨🇳BYD
byd.com ↗
|
Shenzhen, CN | EV & battery manufacturer | 5,000 cells | 8–12 wks |