JHC-3S-4543 Li-ion Battery Charger Protection Module (BMS) 3S 20A 12.6V with Balancing & Nickel Strip
The JHC-3S-4543 Li-ion Battery Charger Protection Module is a battery management system designed for three-cell series-connected lithium-ion battery packs. It supports a 3S battery configuration with a nominal voltage of 11.1V and a maximum charging voltage of 12.6V. With a rated current of 20A, this module is suitable for battery assemblies that require a higher-current protection circuit.
Features:
- Designed for three-cell series-connected lithium-ion battery packs.
- 3S battery configuration with a nominal voltage of 11.1V.
- Maximum charging voltage of 12.6V.
- Rated current of 20A.
- Eight large power MOSFETs on the board.
- Integrated circuitry for battery protection.
Specifications:
| Parameter | Value |
|---|---|
| Model Number | JHC-3S-4543 |
| Component Type | Lithium Battery Protection Module (BMS) |
| Battery Chemistry | Lithium-ion |
| Battery Configuration | 3S, three cell groups connected in series |
| Nominal Battery Voltage | 11.1V |
| Maximum Charging Voltage | 12.6V |
| Rated Current | 20A |
| Power MOSFET Count | 8 |
| Protection Functions | Overcharge, over-discharge, overcurrent, and short circuit |
| PCB Width | 43mm |
| PCB Length | 45mm |
| Overall Length with Nickel Strips | 110mm |
| Battery Connection | PCB terminals and attached nickel strips |

Applications:
- Three-cell lithium-ion battery packs.
- DIY rechargeable battery assemblies.
- Portable battery-powered equipment.
- Robotics and electronic projects.
- Compatible power supply and backup battery systems.
- Custom battery packs requiring a 3S protection module.
Package Include:
1x JHC-3S-4543 Lithium Battery Charger Protection Module (BMS) 3S 20A 12.6V with Balancing & Nickel Strip.







