2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module
Description:
2S 3A Lithium-ion Battery Protection Board is a compact and efficient Battery Management System (BMS) designed to safeguard 2-series (2S) lithium-ion battery packs—commonly built with 18650 cells. Ideal for DIY battery packs, this module ensures safe charging, discharging, and overall longevity of your lithium battery setup.
Features:
1. 2S Battery Support
2. Overcharge Protection
3. Over-discharge Protection
4. Overcurrent Protection
5. Short Circuit Protection
6. Compact Design
7. Thermal Stability
8. Easy to Wire
Diagram:
Specifications:
| Battery Type | Li-ion / LiPo / 18650 |
| Battery Configuration | 2S |
| Nominal Voltage | 7.4V |
| Maximum Charge Voltage | 8.4V |
| Charging Voltage Range | 8.0V – 8.4V |
| Overcharge Detection Voltage | 4.25V ± 0.05V |
| Over-discharge Release Voltage | 3.0V ± 0.1V |
| Short Circuit Protection | Yes |
| Operating Temperature | -40°C to +50°C |
| Dimensions | 50mm × 15mm × 3mm |
| Weight | ~5g |
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