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Protection Circuit Module (PCM) with Equilibrium Function & Fuel Gauge for 18.5V Li-Ion Battery Pack (10 Amp limit) (#3387)
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In Stock
Product ID # 3387
Part Number: PCM-LI18.5V10A
Quantity Discounts
| Quantity | Amount |
| 5 to 20 | $27.06 |
| 21 to 50 | $26.50 |
| 51 to 100 | $25.94 |
| 101 or more | $25.11 |
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This protection circuit is specially designed for 18.5V Li-Ion Battery pack with 10A discharging rate. Different than normal PCB, it provides equilibrium function after battery pack is fully charged. PCM will detect each cell's voltage and trim higher voltage down until other cells reach the same voltage level. Therefore, it helps Li-Ion cells have longer service life.
| Protection Circuit Board Specifications For 18/18.5V (5S) Li-ion/Li-po Battery Pack |
| Model: PCM-LI18.5V10A |
| No. |
Test item |
Criterion |
| 1 |
Voltage |
Charging voltage |
DC: 21V CC/CV (4.2V/1cell) |
| Balance voltage for single cell |
4.2V±0.03V |
| 2 |
Current |
Balance current for single cell |
62mA±5mA |
| Current consumption for single cell |
≤20μA |
| Maximal continuous Charging current |
10A |
| Maximal continuous discharging current |
10A |
| 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 |
100-250mS |
| Over discharge release voltage |
2.9±0.05V |
| 5 |
Over current protection |
Over current detection voltage |
0.15V±0.015V |
| Over current detection current |
50±8A |
| Detection delay time |
5ms-20ms |
| 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-) |
≤40mΩ |
| 8 |
Temperature |
Operating Temperature Range |
-40 to +85℃ |
| Storage Temperature Range |
-40 to +125℃ |
| 9 |
Weight |
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22 gram |
| 10 |
Dimenstion |
L x W x T |
110 x 40 x 9 mm |
| 11 |
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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