Hardware BMS
XJ-D308 13S 54V 20A 30A BMS for NMC 3.7V Battery Split Port Charge 5A
13S 20A/30A 3.7V NMC BMS, application to electric scooters/e-bikes...
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Product Name
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BMS battery management system
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Size
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Length 65mm*Width 35mm*Thickness 10mm
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Series
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13S
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Current
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20A/30A
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Voltage
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48V~55V
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NTC
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Yes
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Battery Cell Type
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NMC 3.7V Battery
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Function
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Balance, NTC temperature sensor, same port or split port (optional)
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Protection
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Over charge protection, Over discharge protection, Over current protection, Short-circuit protection, Weak current cable, NTC Temperature sensor function, Electrostatic protection, Dust Protection, Moisture Protection
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Warranty
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24 Months
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| Item (the spec of 13S 20A) | Min | Typical | Max | Unit |
| Battery pack charging voltage | 55.25 | 55.25 | V | |
| The withstand voltage of the charging MOS | 85 | V | ||
| Discharge MOS withstand voltage value | 85 | V | ||
| Single-cell overcharge detection voltage | 4.225 | 4.25 | 4.275 | V |
| Overcharge recovery voltage | 4.1 | 4.15 | 4.2 | V |
| Overcharge detection delay | 500 | 1000 | 1500 | mS |
| Single-section overdischarge detection voltage | 2.6 | 2.7 | 2.8 | V |
| Overdischarge recovery voltage | 2.9 | 3 | 3.1 | V |
| Over-discharge detection delay | 500 | 1000 | 1500 | mS |
| Continuous discharge current of the battery pack | 20 | A | ||
| Continuous charging current of the battery pack | 5 | A | ||
| Discharge overcurrent protection | 90 | 100 | 110 | A |
| Overcurrent protection delay | 800 | 1000 | 1500 | mS |
| Self-consumption | 30 | 50 | uA | |
| Equilibrium current | --- | --- | --- | mA |
| Charging temperature protection | 55±4℃ | |||
| Discharge temperature protection | 75±4℃. | |||
| Output short circuit/overdischarge/overcurrent protection recovery | After short-circuit/overdischarge/overcurrent protection, the load is removed and it automatically recovers | |||
| Short-circuit protection delay | 100 | 300 | 600 | uS |
| Under normal working conditions, the internal resistance is B- to P- | 10 | mΩ | ||
| Maximum temperature rise with a continuous output current of 20A | 40 | ℃ | ||
