printed circuit board，bms 7S
| Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD |
| PCM SpecificationsFor 25.9V（7S）Li-ion Battery Packs |
| Model:LWS-13S15A-051(7S) |
| No. |
Testitem |
Criterion |
| 1 |
Voltage |
Charging voltage |
DC:29.4VCC/CV |
| Balance voltage for single cell |
4.20±0.025V |
| 2 |
Current |
Balance current for single cell |
42±5mA |
| Current consumption |
≤20μA |
| Maximal continuous charging current |
15A |
| Maximal continuous Discharging current |
15A |
| 3 |
Over charge Protection |
Over charge detection voltage for single cell |
4.25±0.025V |
| Over charge detection delay time |
0.5S—1.5S |
| Over charge release voltage for single cell |
4.05±0.05V |
| 4 |
Over discharge protection |
Over discharge detection voltage for single cell |
2.50±0.062V |
| Over discharge detection delay time |
10mS—150mS |
| Over discharge release voltage for single cell |
2.50±0.062V |
| 5 |
Over current protection |
Over current detection voltage |
0.20±0.015V |
| Over current detection current |
50±10A |
| Detection delay time |
5ms—15ms |
| Release condition |
Cut load |
| 6 |
Short protection |
Detection condition |
Exterior short circuit |
| Detection delay time |
200-500us |
| Release condition |
Cut load |
| 7 |
Resistance |
Protectioncircuitry（MOSFET） |
≤20mΩ |
| 8 |
Temperature |
Operating Temperature Range |
-40～+65℃ |
| Storage Temperature Range |
-40～+125℃ |
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