4S BMS
XJ-D432 BMS 4S 12V 10A~25A LFP NMC Lithium Battery with Balance NTC Temperature Sensors
XJ-D432 BMS 4S LifePO4 12V 10A~25A Battery Protection Board
With NTC, balance function, temperature sensors.
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Product Name
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4S 12V BMS
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Size
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Length 59mm * Width 54mm * Thickness 4mm
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Series
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4S
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Current
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10A/15A/20A/25A
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Voltage
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12.8V 14.8V
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Cell Type
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LFP 3.2V/NMC 3.7V
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Function
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Balance, NTC, Temperature sensors
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Function
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Over charge protection, Over discharge protection, Over current protection, Short-circuit protection, Balance function, Temperature sensor function, Electrostatic protection, Dust Protection, Moisture Protection
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Warranty
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24 Months
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------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Specification:
| Project | Symbol | The detailed content | Standard |
| Overcharge protection | VDET1 | Single overcharge detection voltage | 3.75V±0.04V |
| tVDET1 | Overcharge detection delay time | 1.5s（MAX） | |
| VREL1 | Single overcharge release voltage | 3.55V±0.05V | |
| Cell balance | VBU | Cell-balance detection voltage | 3.5V±0.05V |
| VBL | Cell-balance release voltage | 3.5V±0.05V | |
| IB | Balance current | 60mA±20mA | |
| Over-discharge protection | VDET2 | Single over-discharge detection voltage | 2.20V±0.08V |
| tVDET2 | Overdischarge detection delay time | 1.5s（MAX） | |
| VREL2 | Single overdischarge release voltage | 2.70V±0.1V | |
| Over current protection | IDP1 | Level 1 overcurrent protection current (battery voltage = 3.4V) | 60A±7A |
| tVDET1 | Detection delay time | 1.5s（MAX） | |
| IDP2 | Level 2 overcurrent protection current (battery voltage = 3.7V/3C) | 120A±15A | |
| tVDET2 | Detection delay time | 800ms（MAX） | |
| Short circuit protection | Exterior short circuit | Yes | |
| TSHORT | Detection delay time | 1000us（MAX） | |
| Protection of release condition | Disconnecting the load | ||
| Resistance | RDS | Main loop resistance (battery voltage = 3.4V) | B- to P- RDS ≤20mΩ |
| Current consumption | IDD | Internal consumption during operation of the circuit | ≤60μA |
| Charging maximum Voltage | VDS | Charging port connected to the charger maximum | DC30V |
| Chip maximum Voltage | VDS | Input voltage between each string battery node | DC 5V |
| Continuous Discharge Current | Sustainable discharge current | 20A | |
| Continuous charge current | Sustainable charging current | 20A | |
| Rated current temperature Mosfet |
Rated current discharge MOSFET surface temperature | ＜45 ° | |
| Temperature control switch |
Close the charging and discharging function at above rated temperature | Charge 50 ° Discharge 70 ° |
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| Charging reverse protection |
When charging, avoid the positive polarity and negative polarity reversal of charging. | NO | |
| Suggest working conditions | suggest working temperature | -40℃~85℃ |