BMS (Battery Management System) is an electronic board that is installed on a battery in order to control the charge/discharge process, monitor the state of the battery and its elements, control the temperature, the number of charge/discharge cycles, and protect the components of the battery. Main characteristics Nominal discharge current 20A Nominal charge current 10A (recommended battery capacity 20Ah) Nominal charge voltage 14.6V Balancing current 30+-10 mA Passive equalization functions Passive equalization switch-on voltage 3.625V Overcharge protection Overcharge protection switch-on voltage (per 1 cell) 3.75±0.05V Overcharge protection activation time (per 1 cell) 1±0.5sec Overcharge protection cut-off voltage (per 1 cell) 3.65±0.05VOvercharge protection cut-off time (per 1 cell) 1±0.5sec overdischarge 1±0.5sec Protection against charge/discharge current Overload current of discharge 60±10AZOverload protection delay of discharge 1±0.5secOvercharge protection current AProtection activation time 1±0.5secShort circuit protection delay 10-500msec Open circuit resistance of the main circuit <20 mΩCurrent self-consumption during operation <500 uA (not including self-consumption current) Self-consumption current in sleep mode 0 uA Dimensions 59*34*9 mm Equipment error Current detection accuracy: ≤(±3%FSR) Voltage detection accuracy: ≤±15 mVOperating temperature: -40℃~85℃Relative humidity: 5%~90%
Characteristics
- Manufacturer
- DaLy
- Country of manufacture
- Китай
- Number of cells for LiFePO4
- 4S
- Nominal charge current
- 10A
- Nominal discharge current
- 20A
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