2S 3A 5A Li-ion Lithium Battery 7.4v bms pcm for li-ion lipo battery cell pack
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2S 3A 5A Li-ion Lithium Battery 7.4v bms pcm for li-ion lipo battery cell pack

LWS® 2S 3A 5A Li-ion Lithium Battery 7.4v bms pcm for li-ion lipo battery cell pack is a high-tech enterprise specializing in the research and development, production, sales, and client service of multi-series and power type lithium battery protection boards. Our 2S 3A/5A Li-ion Lithium Battery 7.4V BMS PCM is designed to ensure the safe and efficient operation of 2-cell lithium-ion or lithium-polymer battery packs.

Model:LWS-2S5A-461

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Product Description


Product Introduction

LWS® 2S 3A 5A Li-ion Lithium Battery 7.4v bms pcm for li-ion lipo battery cell pack. It provides protection against common issues like overcharging, over-discharging, and excessive current draw, safeguarding the battery pack and connected devices from potential damage.


Product Parameter (Specification)


Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications  For LWS® 3.7V (1S) Li-ion Battery Packs
No. Test item Criterion
1 Voltage Charging voltage DC:4.2V  CC/CV
Single balanced voltage  /
2
Current Balance current for single cell  /
Current consumption
≤10uA
Maximal continuous charging current 7A
Maximal continuous Discharging current 7A
3 Over charge Protection(single cell)
Overcharge detection voltage
4.25V±0.025V
Over charge detection delay time 0.5—1.5S
Over charge release voltage for single cell 4.05±0.025V
4
Over discharge protection (single cell)
Over discharge detection voltage for single cell
3.00V±0.05V
Over discharge detection delay time 10mS—150mS
Over discharge release voltage for single cell
3.20±0.05V
5
Over current protection
Over current detection voltage 0.15±0.025v
Charge Over current detection
15±3A
Detection delay time 7.2—11mS
Release condition  Cut load or Charging Activation
6

Short protection
Detection condition
Exterior short circuit
Detection delay time 200—500uS
Release condition  Cut load or Charging Activation
7
Resistance Protection  circuitry(MOSFET)
≤60mΩ
8
Temperature
Operating Temperature Range
-40~+85℃
Storage Temperature Range
-40~+125℃

Product Feature and Application

Our 1S 3A 5A 3.7V used for solar, LED lights, Emergency lights, Digital Equipment, etc.electric scooter,e-bike,tourisr sightseeing vehicle,electric tricycle,low speed ev,emergrncy ups,solar street light,RV&home energy storage.

Product Details


Stable and reliable performance with level A protection IC is directly from original manufacturer

High-precision 0201 size components SMT technology and lead-free.




Notes

1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) Before charged, need to connect the cables first.
3) When the group of battery is connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.

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