The BMS 3S 10A is designed for 3-series Li-Ion/LiPo battery packs. It provides an 11.1V nominal voltage and 12.6V full-charge voltage, with protection against overcharge, over-discharge, overcurrent and short circuit.
Full Description
The BMS 3S 12.6V 10A Lithium Battery Protection Board is designed to protect and manage lithium battery packs configured as 3S, with three cell groups connected in series.
For standard 3.7V nominal Li-Ion cells, the pack has an 11.1V nominal voltage and reaches 12.6V when fully charged, corresponding to 4.2V per cell. The board is rated for up to 10A discharge current, depending on the specific board version.
The protection circuit provides protection against overcharge, over-discharge, overcurrent and short circuit, helping protect the battery pack during normal operation and charging.
Technical Specifications
| Specification |
Details |
| Product Type |
BMS / Battery Protection Board |
| Battery Configuration |
3S – 3 groups in series |
| Battery Type |
Li-Ion / LiPo |
| Nominal Pack Voltage |
11.1V |
| Full Charge Voltage |
12.6V |
| Maximum Discharge Current |
10A |
| Required Charging Voltage |
12.6V DC |
| Charge Voltage per Cell |
4.2V |
| Overcharge Protection |
Yes |
| Over-Discharge Protection |
Yes |
| Overcurrent Protection |
Yes |
| Short-Circuit Protection |
Yes |
| Compatible Cells |
18650 and compatible Li-Ion cells |
| Overcharge Detection |
Approx. 4.25–4.35V per cell, version dependent |
| Over-Discharge Detection |
Approx. 2.3–3.0V per cell, version dependent |
| Application |
3S Lithium Battery Packs |
Physical dimensions and exact protection thresholds can vary between commercial versions of the 3S 10A board, so they should be confirmed against the actual board version.
Product Applications
- 3S 18650 battery packs
- Rechargeable Li-Ion battery packs
- DIY electronics projects
- Portable power systems
- Robotics and RC projects
- Portable lighting
- 11.1V Li-Ion powered equipment
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