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Protection Circuit Module (PCB) for 11.1V Li-Ion (4A Limit) - For 18650/18500 3S1P battery pack (#3781)
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Lead Time: 6-7 weeks
Product ID # 3781 Part Number: PCM-LI3S4A
10 pcs minimum order
Quantity Discounts
Quantity | Amount |
5 to 20 | $6.30 |
21 to 50 | $6.17 |
51 to 100 | $6.04 |
101 or more | $5.85 |
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Protection Circuit Board Specifications For 11.1V Li-ion/Li-po Battery Pack |
Model: PCM-LI3S4A - Separated charge/discharge points |
No. |
Test item |
Criterion |
1 |
Voltage |
Charging voltage |
DC: 12.6V CC/CV (4.2V/1cell) |
Balance voltage for single cell |
N/A |
2 |
Current |
Balance current for single cell |
N/A |
Current consumption for single cell |
≤50μA |
Maximal continuous Charging current |
4A |
Maximal continuous discharging current |
4A |
3 |
Over charge Protection (single cell) |
Over charge detection voltage |
4.325±0.025V |
Over charge detection delay time |
0.3S-2S |
Over charge release voltage |
4.15±0.05V |
4 |
Over discharge protection (single cell) |
Over discharge detection voltage |
2.40±0.08V |
Over discharge detection delay time |
300-2000mS |
Over discharge release voltage |
3.0±0.10V |
5 |
Over current protection |
Over current detection voltage |
150±25mV |
Over current detection current |
7.5±1.5A |
Detection delay time |
30ms-200ms |
Release condition |
Cut load |
6 |
Short protection |
Detection condition |
Exterior short circuit |
Detection delay time |
200-600us |
Release condition |
Cut load |
7 |
Resistance |
Protection circuitry(B- TO P-) |
≤50mΩ |
8 |
Temperature |
Operating Temperature Range |
-40~+85℃ |
Storage Temperature Range |
-40~+125℃ |
9 |
Dimenstion |
LxWxT |
50x16x3 mm |
10 |
Specification in pdf file |
Download the specification |
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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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