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Power Supply & Battery System

Assembly

Rechargeable battery with charger, or mains AC adapter option. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power Supply & Battery System parts and their functions

4 top-level parts · 7 parts in total · full bill of materials below
Power Supply & Battery System parts diagram: 1 lithium-ion battery module, 2 li-ion charger circuit, 3 power inlet connector, 4 voltage regulator board. 7 parts in 4 top-level items.
Power Supply & Battery System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Lithium-Ion Battery Module 2 parts 1× 7.4 V 2000 mAh (14.8 Wh), 40-hour runtime on battery.
2 Li-Ion Charger Circuit 2 parts 1× Constant-current/constant-voltage charger, <2 hour charge time.
3 Power Inlet Connector 1× Micro-USB charging port, integrated with AC adapter socket option.
4 Voltage Regulator Board 1 parts 1× Converts 7.4 V battery or 12 V AC input to 5 V regulated output.

3D model

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Build & assembly graph

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Bill of materials for Power Supply & Battery System

4 top-level lines · 9 rows shown · 7 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Lithium-Ion Battery Module 2 parts infant-scale-liion-battery-pack 1× 1 3 assembly
1.1 Li-ion Cell, 18650 li-cell-18650 2× 2 · part
1.2 Battery Cell Holder infant-scale-battery-holder 1× 1 · part
2 Li-Ion Charger Circuit 2 parts infant-scale-charging-circuit 1× 1 2 assembly
2.1 Charger IC infant-scale-charger-ic 1× 1 · part
2.2 Charge Status Indicator LED infant-scale-charge-status-led 1× 1 · part
3 Power Inlet Connector infant-scale-power-inlet 1× 1 · part
4 Voltage Regulator Board 1 parts infant-scale-regulator-board 1× 1 1 assembly
4.1 Power Supply power-supply 1× 1 · part

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Where the power supply & battery system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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
VendorHQSpecialtyMOQLead time
🇨🇳CATL
catl.com ↗
Ningde, CN Li-ion cell & pack maker 5,000 cells 8–12 wks
🇨🇳EVE Energy
evebattery.com ↗
Huizhou, CN Li-ion cell maker 5,000 cells 8–12 wks
🇮🇳Amara Raja
amararaja.com ↗
Tirupati, IN Batteries & energy 5,000 cells 8–12 wks
🇸🇬Durapower
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