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7S 20A PCB/BMS for lithium ion battery pack
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Product Details
| Place of Origin | China | Brand Name | OSN Power | |
| Model Number | OSN-7S2020-BMS |
Product Description
Specifications
7S 20A BMS for Li-ion/ Li-polymer 24V battery packContinuous and Peak Discharge Current: 20/40A
Charge Current: 20A
PCM Specifications For 7S /25.9V Li-ion Battery Pack | |||
Model: OSN-7S2020-BMS | |||
No. | Test item | Criterion | |
1 | Voltage | Charging voltage | DC:29.4V CC/CV |
Balance voltage for single cell | 4.20+0.025V | ||
2 | Current | Balance current for single cell | 75+10mA |
Current consumption for single cell | ≤20μA | ||
Maximal continuous Charging current | 20A | ||
Maximal continuous Discharging current | 20A | ||
3 | Over charge Protection | Over charge detection voltage | 4.25+0.025V |
Over charge detection delay time | 0.5S—2S | ||
Over charge release voltage | 4.19+0.025V | ||
4 | Over discharge protection | Over discharge detection voltage | 2.80+0.05V |
Over discharge detection delay time | 10mS-200mS | ||
Over discharge release voltage | 3+0.05V | ||
5
| Over current protection | Over current detection current | 80+10A |
Detection delay time | 5ms—20mS | ||
Release condition | Cut load, Automatic Recovery | ||
6 | Short protection | Detection condition | Exterior short circuit |
Detection delay time | 200-500us | ||
Release condition | Cut load, Automatic Recovery | ||
7 | Resistance | Protection circuitry (MOSFET) | ≤20mΩ |
8 | Temperature | Operating Temperature Range | -40~+85°C |
Storage Temperature Range | -40~+125°C | ||
9 | Size |
| L120*W50*T9m |
Contact Us
- Shenzhen OSN Power Tech Ltd.
- Contact nameCindy OSN Chat Now
- Phone86-755-25609940
- AddressRoom721 7th floor Gaobiao building,Cuizhu Road, Luohu District ,Shenzhen City, Shenzhen, Guangdong
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