Power and Battery
AssemblyAA battery holder with USB charging and regulated 5V/12V rails for audio circuits. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Power and Battery 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× | 4x AA NiMH cell holder with contact springs |
| 2 | USB Charger Module | 1× | TP4056 lithium charger module (optional external) |
| 3 | 5V Buck Converter | 1× | Buck converter providing 5V 1A for DSP and logic |
| 4 | 12V Boost Converter | 1× | Boost converter providing 12V 100 mA for preamp supply |
3D model
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Build & assembly graph
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Bill of materials for Power and Battery
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 | field-audio-recorder-battery-holder | 1× | 1 | · | part |
| 2 | USB Charger Module | field-audio-recorder-usb-charger | 1× | 1 | · | part |
| 3 | 5V Buck Converter | field-audio-recorder-dcdc-5v | 1× | 1 | · | part |
| 4 | 12V Boost Converter | field-audio-recorder-dcdc-12v | 1× | 1 | · | part |
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Where the power and battery 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 |