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A battery management system (BMS) provides protection during the charging and discharging process, Increases the lifetime of the battery. This 4S 40A Lithium Ion BMS is a high-quality BMS for Lithium-Ion Batteries. The scope of nominal voltages of 3.6V and 3.7V lithium batteries with charging voltages ranging from 16.8V to 18.1V. The board runs smoothly with a continuous charge current of a max of 20A.
The 4S 40A Lithium Ion BMS also features connections for the Temperature probe. The module will compensate the charging or discharging current for the temperature.
| Charging Voltage | 16.8V 18.1V |
| Battery | 4 |
| Overcharge Detection Voltage | 4.25±0.025 |
| Over-discharge detection voltage | 2.50 ± 0.08 |
| Operating Current | 20A |
| Operating Temperature | -40 ~ +85 Deg C |
| Over-Current Protection | 40A |
| Dimensions | 45x60x3.9mm |
