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Backup Battery

Assembly

A lead-acid or lithium battery pack sized to drive the pitch motor through a full feather move with no grid. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Backup Battery parts and their functions

3 top-level parts · 65 parts in total · full bill of materials below
Backup Battery parts diagram: 1 battery cell, 2 battery monitor, 3 battery case. 65 parts in 3 top-level items.
Backup Battery parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Battery Cell 12× One cell of the pitch backup battery.
2 Battery Monitor 3 parts 1× A board that watches the backup battery state of charge and health, since a dead backup is a safety failure.
3 Battery Case 1× The vented enclosure holding the backup battery in the hub.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Backup Battery

3 top-level lines · 6 rows shown · 65 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Battery Cell wps-battery-cell 12× 12 · part
2 Battery Monitor 3 parts wps-battery-monitor 1× 1 52 assembly
2.1 Bare PCB pcb-bare 1× 1 · part
2.2 Microcontroller mcu 1× 1 · part
2.3 SMD Passive (R/C/L) smd-passives 50× 50 · part
3 Battery Case wps-battery-case 1× 1 · part

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Where the backup battery is used

2 products 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