3S/4S 40A BMS with Cell Balancing
A robust BMS protection board with built-in cell balancing for 3S (11.1V) or 4S (14.8V) Li-ion and ternary lithium (NMC) battery packs using 18650 or 21700 cells. At 40A, it is well-suited for power tools, e-bikes, and high-drain DIY applications.
Key Features
- 3S or 4S configuration with active balancing
- 40A continuous charge/discharge rating
- Compatible with 18650 and 21700 cells
- Supports NMC ternary lithium chemistry
- Full protection: overcharge, over-discharge, overcurrent, short circuit
Specifications
- Configuration: 3S (11.1V) / 4S (14.8V)
- Max current: 40A
- Cell compatibility: 18650, 21700
- Chemistry: NMC / Li-ion
- Balancing: Yes
Cell Datasheet Summary
| Parameter | Value | Notes |
|---|---|---|
| Model | ||
| Format | ||
| Nominal Capacity | ||
| Nominal Voltage | ||
| Standard Charge Current | ||
| Maximum Charge Current | ||
| Standard Discharge Current | ||
| Maximum Continuous Discharge | ||
| Peak / Pulse Discharge | ||
| Operating Temp (Charge) | ||
| Operating Temp (Discharge) | ||
| Storage Temperature | ||
| Weight | ||
| Dimensions |
Reviews
There are no reviews yet.