4S BMS
XJ-D133 4S 12.8V/14.8V 4A/8A BMS for LifePO4 Li-ion Battery Management System BMS
4S 12.8V/14.8V 4A/8A BMS, application 3.2V LifePO4 3.7V Li-ion battery, same port with NTC.
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Product Name
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4S 8A BMS Battery Protection Board
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Size
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68*18*2mm
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Series
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4S
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Working Current
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4A/8A
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Input & Output
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Same Port
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Cell Type
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LifePO4 battery, Ternary lithium battery
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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
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Warranty
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24 Months
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| Item (the spec of 4S 4A) | Min | Typical | Max | Unit |
| Battery pack charging voltage | 16.8 | 17 | V | |
| Charging MOS withstand voltage | 30 | V | ||
| Discharging MOS withstand voltage | 30 | V | ||
| Single cell overcharge detection voltage | 4.2 | 4.25 | 4.3 | V |
| Overcharge recovery voltage | 4.1 | 4.15 | 4.2 | V |
| Overcharge detection delay | 500 | 1000 | 1500 | mS |
| Single cell over-discharge detection voltage | 2.6 | 2.7 | 2.8 | V |
| Over-discharge recovery voltage | 2.9 | 3 | 3.1 | V |
| Over-discharge detection delay | 500 | 1000 | 1500 | mS |
| Battery pack continuous discharge current | 4 | A | ||
| Battery pack continuous charging current | 4 | A | ||
| Discharge overcurrent protection | 5 | 6.5 | 8 | A |
| Overcurrent protection delay | 500 | 1000 | 1500 | mS |
| Self-consumption | 30 | 40 | uA | |
| Charging protection temperature | 50±4℃. | |||
| Discharge protection temperature | 70±4℃ | |||
| Output short circuit/over-discharge/overcurrent protection recovery | Automatic recovery after removing load following short circuit/over-discharge/over-current protection | |||
| Short circuit protection delay | 100 | 300 | 600 | uS |
| Normal operating state B-to-P- internal resistance | 40 | mΩ | ||
| Continuous 4A output current maximum temperature rise | 40 | ℃ | ||