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Zhengzhou R-Founder Technology Co., Ltd. established in 2005, is an expert manufacturer of Lithium Battery Module and Lithium Battery Pack, located in Hi-tech Zone, Zhengzhou, China.
The PCM/PCB (protection circuit module or board) is the heart of the lithium battery pack, protecting battery from overcharging, over discharging, over current, and short circuit etc. We can make customized PCM/PCB for you, and BMS (battery management system) is also available.And this "14.8V Li ion Battery Protection Circuit", it use in 14.8V 4 cells power tool Li-ion battery packs. Specifications are as follwoing:
|
No. |
Test item (25℃) |
Criterion |
|
1 |
Overcharge protection voltage for single cell |
4.25 ± 0.025V |
|
2 |
Over discharge protection voltage for single cell |
2.50 ± 0.08V |
|
3 |
Over current detect voltage |
0.10 ± 0.03V |
|
4 |
Current consumed in normal operation |
35uA |
|
5 |
Current consumed in sleeping mode |
0.1uA |
|
6 |
Over current protection current during discharging |
33.0A |
|
7 |
Over current protection current during charging |
2A |
|
8 |
Over current protection time |
100mS |
|
9 |
Short circuit protection time |
0.4uS |
|
10 |
Interior resistance |
4.5mΩ |
|
11 |
Working temperature |
-20 – 55℃ |
|
12 |
Size |
51.8 x 39.2 x 7.8mm |
If you have any questions, please feel free to contact us.
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