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 120A Nominal charge current 60A (recommended battery capacity 120Ah) Nominal charge voltage 14.6V current balancing 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 protection 1±0.5secProtection against charge/discharge current overload Protection current against discharge current 500±100AZprotection delay against overload current discharge 1±0.5secProtection current against charge overload AProtection activation time 1±0.5secShort circuit protection delay 10-500msec Open circuit resistance of the main circuit <20 mΩ Current self-consumption during operation <500 uA (not including self-consumption current) Self-consumption current in sleep mode 0 uA Dimensions 212*95*20 mm Equipment error Current detection accuracy: ≤(±3%FSR) Voltage detection accuracy: ≤±15 mV Operating temperature: -40℃~85℃ Relative humidity: 5% ~ 90%
Characteristics
- Manufacturer
- DaLy
- Country of manufacture
- Китай
- Number of cells for LiFePO4
- 4S
- Nominal charge current
- 60A
- Nominal discharge current
- 120A
- Balancing current
- 30mA
- Internal resistance of the main circuit
- ≤20mΩ
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