BMS (Battery Management System) is an electronic board that is installed on a battery with the purpose of monitoring its charge/discharge process, monitoring the state of the battery and its elements, temperature control, the number of charge/discharge cycles, and protection of battery components. Main characteristics Nominal discharge current 80A Nominal charge current 40A (recommended battery capacity 80Ah) Nominal charge voltage 14.6V Balancing current 45±15 mA Functions of passive equalization Passive equalization activation voltage 3.4V Overcharge protection Overcharge protection activation voltage (per 1 cell) 3.75±0.05VOvercharge protection activation time (per 1 cell) 1±0.5sec Overcharge protection cut-off voltage (per 1 cell) 3.65±0.05VOvercharge protection tripping time (per 1 cell) 1±0.5sec overdischarge 1±0.5secProtection against charge/discharge current overload Protection current against discharge current 36±3%AOverload protection delay according to discharge current 1±0.5secProtection current against charge overload 45±3% AProtection activation time 1±0.5sec Short circuit protection delay 10-500msec Open circuit resistance main circuit circuit <20 mΩ Self-consumption current during operation <50 mA (not including self-consumption current) Self-consumption current in sleep mode <800 uA Dimensions 128*66*13 mm Equipment error Accuracy of current determination: ≤(±3%FSR) Accuracy of voltage determination: ≤±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
- 40A
- Nominal discharge current
- 80A
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