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Protection Circuit Module (PCM) with Equilibrium function for 51.8V Li-Ion Battery Pack at 40A rate (#7791)
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See Notes
Product ID # 7791
Part Number: PCM-LI51.8V40A2
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| Protection Circuit Board Specifications For 51.8V Li-ion/Li-po Battery Pack |
| Model: PCM-LI51.8V40A2 |
| No. |
Test item |
Criterion |
| 1 |
Voltage |
Charging voltage |
DC: 58.8V CC/CV (4.2V/1cell) |
| Balance voltage for single cell |
4.20V±0.030V |
| 2 |
Current |
Balance current for single cell |
84mA±5mA |
| Current consumption for single cell |
≤20μA |
| Maximal continuous Charging current |
40A |
| Maximal continuous discharging current |
40A |
| 3 |
Over charge Protection
(single cell) |
Over charge detection voltage |
4.325±0.025V |
| Over charge detection delay time |
0.5S-2S |
| Over charge release voltage |
4.075±0.025V |
| 4 |
Over discharge protection
(single cell) |
Over discharge detection voltage |
2.50±0.05V |
| Over discharge detection delay time |
100-200mS |
| Over discharge release voltage |
2.9±0.05V |
| 5 |
Over current protection |
Over current detection voltage |
0.6V±0.1V |
| Over current detection current |
150±20A |
| 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 |
Protection circuitry (B- TO P-) |
≤30mΩ |
| 8 |
Temperature |
Operating Temperature Range |
-40 to +85℃ |
| Storage Temperature Range |
-40 to +125℃ |
Over Temperature Protection (discharge)
has 60°C Thermostat |
60±5℃ |
| 9 |
Dimenstion |
LxWxT |
130x100x10 mm |
| 10 |
Weight |
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6.5 oz |
For other PCM/PCB, please check our PCM/PCB/BMS/CMB/UPS category
Warning
- If you want to use this protection circuit board for a battery that is less than the rated drain, you must add additional protection device to protect the battery itself. Such as: proper rated polyswitch.
- You must be professional in Lithium battery pack to buy the protection circuit board. Misusing may cause battery damage or explode. We are not responsible for any damage caused by user.
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