4S BMS
XJ-18114 4S 7A BMS Common Port 12V LifePO4 Li-ion Battery Protection Board
XJ-18114 4S 7A BMS, common port, for LifePO4/Li-ion battery BMS.
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Product Name
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4S Battery BMS
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Size
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Length 181mm * Width 14mm * Thickness 3mm
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Series
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4S |
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Current
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7A
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Single Cell Battery Voltage
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3.2V / 3.7V / 4.2V
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Cell Type
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LifePO4/NMC/Lithium
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Function
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Over charge protection, Over discharge protection, Over current protection, Short-circuit protection, Electrostatic protection, Dust Protection, Moisture Protection, NTC Temp Protection
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Warranty
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24 Months
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| Item | Symbol | Inspection standard | Unit | |||
| Min | Typical | Max | ||||
| Overcharge protection | Overcharge detection voltage | VDET1 | 4.225 | 4.25 | 4.275 | V |
| Overcharge detection delay time | tVDET1 | 500 | 1000 | 1500 | ms | |
| Overcharge release voltage | VREL1 | 4.1 | 4.15 | 4.2 | V | |
| Over-discharge protection | Over-discharge detection voltage | VDET2 | 2.6 | 2.7 | 2.8 | V |
| Over-discharge detection delay time | tVDET2 | 50 | 100 | 150 | ms | |
| Over-discharge release voltage | VREL2 | 2.9 | 3 | 3.1 | V | |
| Overcurrent protection | Overcurrent detection voltage | VDET3 | 0.175 | 0.2 | 0.225 | V |
| Overcurrent protection current | IDP | 15 | 20 | 25 | A | |
| Detection delay time | tVDET3 | 5 | 10 | 20 | ms | |
| Short-circuit protection | Detection delay time | TSHORT | 100 | 300 | 600 | μS |
| Protection release condition | Disconnect the external short-circuit load or charge and restore | |||||
| Internal resistance | Main circuit on-resistance | RDS | 60 | mΩ | ||
| Current consumption | Current consumption during normal operation | IDD | 50 | μA | ||
| Quiescent current | Current consumption during sleep mode | IPWN | 0.1 | μA | ||
| Discharging | 0V charging function | Yes | ||||
| Charging | Sleep function | Yes | ||||