3S 40A BMS — 12V Li-Ion Pack Protection Board
This 3S BMS board provides comprehensive protection for 3-cell series li-ion battery packs (12.6V). Includes overcharge, over-discharge, overcurrent, and short circuit protection. Essential component for safe DIY battery pack construction.
Key Features
- Strings: 3S (3 cells in series)
- Max Current: 40A continuous
- Cutoff Voltage: 12.6V (charge) / 9.0V (discharge)
- Protections: overcharge, over-discharge, overcurrent, short circuit
- Compatible: 18650, 21700, 26650
Safety Warning
Lithium batteries are sensitive and may pose fire or explosion risks if improperly handled. Always charge on fire-resistant surfaces and never leave unattended. By purchasing you assume full responsibility for safe handling.
Cell Datasheet Summary
| Parameter | Value | Notes |
|---|---|---|
| Model | ||
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| Nominal Capacity | ||
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| Standard Charge Current | ||
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| Standard Discharge Current | ||
| Maximum Continuous Discharge | ||
| Peak / Pulse Discharge | ||
| Operating Temp (Charge) | ||
| Operating Temp (Discharge) | ||
| Storage Temperature | ||
| Weight | ||
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