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Overview:
The 2S-6A Li-ion BMS is a compact and efficient Battery Management System designed for 2-series (2S) lithium-ion battery packs, such as 18650 or 21700 cells. It supports up to 6A continuous charge/discharge current and includes essential protection features to ensure safe operation and battery longevity.
| Parameter | Specification |
|---|---|
| Battery Configuration | 2S (7.4V nominal, 8.4V fully charged) |
| Continuous Current | 6A |
| Overcharge Detection Voltage | 4.25V ±0.05V per cell |
| Overcharge Release Voltage | 4.15V per cell |
| Over-discharge Detection Voltage | 2.75V ±0.05V per cell |
| Over-discharge Release Voltage | 3.00V per cell |
| Overcurrent Protection | 12A ±1A |
| Short Circuit Protection | Yes |
| Temperature Protection | Yes |
| Balance Function | No |
| Operating Temperature | -20°C to +60°C |
| Dimensions | Approximately 60mm × 26mm × 3.5mm or smaller depending on model |
| PCB Material | High-quality FR4 or equivalent |
Overcharge Protection: Disconnects charging when voltage exceeds safe limits to prevent damage.
Over-discharge Protection: Disconnects load when voltage drops below safe threshold to avoid deep discharge.
Overcurrent Protection: Automatically disconnects in case of excessive current draw.
Short Circuit Protection: Instant cut-off in case of short circuit to protect the battery and connected devices.
Temperature Protection: Shuts off charging/discharging if the PCB temperature exceeds safe limits.
Power banks
Portable electronics
LED lighting systems
Battery backup solutions
DIY battery packs
Robotics and embedded systems
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