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Battery Power System

Assembly

Single lithium-ion cell with protection and charging circuit. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Battery Power System parts and their functions

4 top-level parts · 6 parts in total · full bill of materials below
Battery Power System parts diagram: 1 lithium-ion cell (18650), 2 battery protection module, 3 battery connector, 4 USB charging port. 6 parts in 4 top-level items.
Battery Power 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 Cell (18650) 1 parts 1× 3.7 V 2600 mAh (9.6 Wh), 5 hour runtime at typical use.
2 Battery Protection Module 3 parts 1× Monitors voltage and temperature, cuts load on over/undercharge.
3 Battery Connector 1× 2-pin plastic connector, keyed, 5 A rated.
4 USB Charging Port 1 parts 1× Micro-USB or USB-C, integrated charger detection.

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Battery Power System

4 top-level lines · 10 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Lithium-Ion Cell (18650) 1 parts vein-finder-liion-cell 1× 1 1 assembly
1.1 Li-ion Cell, 18650 li-cell-18650 1× 1 · part
2 Battery Protection Module 3 parts vein-finder-battery-bms 1× 1 3 assembly
2.1 BMS Protection IC vein-finder-bms-ic 1× 1 · part
2.2 Load Disconnect MOSFET 1 parts vein-finder-protection-mosfet 1× 1 1 assembly
2.2.1 Power MOSFET mosfet 1× 1 · part
2.3 Thermal Fuse thermal-fuse 1× 1 · part
3 Battery Connector vein-finder-battery-connector 1× 1 · part
4 USB Charging Port 1 parts vein-finder-charging-port 1× 1 1 assembly
4.1 Connector connector 1× 1 · part

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Where the battery power 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