18 Years Factory ODM&OEM LiFePO4 BMS Li-ion Battery BMS Battery Management System 4s 10A 20A 50A BMS for Lithium Battery with Temperature Protection
| Model: AY-4S50A-M076(Uart&Bluetooth) | ||
| Test item(Test at normal temperature 25±2ºC ) | Criterion | |
| Voltage | Charging voltage | DC:3.45V~4.2V CC/CV(3.45V~4.2V/Cell)1s |
| Supply Current | Current consume in sleep operation | ≤200uA |
| Max continuous charging current | 50A | |
| Max continuous discharging current | 50A | |
| Balance current for single cell | 36-42mA | |
| Over-charge Protection (single cell) | Balance voltage for single cell | 3.45-4.20V |
| Over charge detection voltage | 3.65-4.35V(Adjust) | |
| Over charge detection delay time | 0.5S-2S(Adjust) | |
| Over charge release voltage | 3.45-4.15V(Adjust) | |
| Over discharge protection (single cell) | Over discharge detection voltage | 2.4-3.0V(Adjust) |
| Over discharge detection delay time | 0.5-2S(Adjust) | |
| Over discharge release voltage | 2.5-3.2V(Adjust) | |
| Current protection (Battery pack) | Discharge Over current detection current | 100A(Adjust) |
| Detection delay time | 2s(Adjust) | |
| Release condition | Cut load,Auto Recovery | |
| Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-600us(Adjust) | |
| Release condition | Cut load | |
| Resistance | Main loop electrify resistance | ≤65mΩ |
| Temperature | Operating Temperature Range | -40~+85ºC |
| Storage Temperature Range | -40~+125ºC | |
| SIZE: 130*79*16mm | ||
| NTC:/ Temperature switch:/ Weak current switch:/ Activation Method:/ | ||


What we did to improve the battery quality, We have always been able to repay customers with quality and service.












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