| Customization: | Available |
|---|---|
| Product Name: | Lithium BMS |
| Usage: | Lithium Battery Packs, LiFePO4 etc |
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About the battery BMS/PCB/PCM
Function: Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit ,temperature detecting protection and auotmatically voltage balance function .
Build with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application ( it can be used for less series battery by leaving some connection pins at empty status ),full set of protection measures let it works well without any infulence from external unexpected accidents.
| Shenzhen Li-ion Battery Bodyguard Technology Co.,Ltd | ||||
| PCM Specifications For 3.7V (1S) Li-ion Battery Packs | ||||
| Model:LWS-1S2A-173V1(1S) | ||||
| No. | Test item | Criterion | ||
| 1 | Voltage | Charging voltage | DC:5V CC/CV | |
| Charging current | ≤1.2A | |||
| 2 | Discharging | Start to discharge | Press the button once | |
| 3 | Discharge current | Current consumption (self-consumption)-single cell | ≤500μA | |
| 12.6V maximum continuous discharge current | 800mA | |||
| 3V maximum continuous discharge current | 1A | |||
| 4 | Over current(Software) | 12.6V Overcurrent detection current | 1A | |
| 3V Overcurrent detection current | 1.5A | |||
| Recovery state | button recovery | |||
| 5 | Over charge Protection(Hardware) | Over charge detection voltage | 4.25±0.025V | |
| Over charge detection delay time | 0.5S-1.5S | |||
| Over charge recovery voltage | 4.05±0.05V | |||
| 6 | Over charge Protection (Charging management IC) |
Over charge detection voltage | 4.20±0.063V | |
| Over charge recovery voltage | 4.05±0.063V | |||
| 7 | Over discharge protection(Hardware) | Over discharge detection voltage | 2.50±0.0625V | |
| Over discharge detection delay time | 50mS-167mS | |||
| Over discharge recovery voltage | 3.00±0.075V | |||
| 8 | Over discharge protection(Software) | Over discharge protection voltage | 3V±0.1V | |
| 9 | Short protection | Detection status | Exterior short circuit | |
| Detection delay time | 100-600us | |||
| Recovery state | Charge recovery | |||
| 10 | Resistance | Protection circuitry(MOSFET) | ≤200mΩ | |
| 11 | Charging instructions | Red light on | Charging | |
| Blue light on | Fully charged | |||
| 12 | Discharging instructions | Red light on | Discharging | |
| Red light flashing | Low voltage alarm | |||
| Red light off | Turn off the output | |||
| 13 | Temperature | Operating Temperature Range | -40~+85ºC | |
| Storage Temperature Range | -40~+125ºC | |||
| Temperature switch | / | |||
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