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Smart 4S 8A 14.8V BMS Advanced Battery Management System for Lithium-ion Batterie
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Smart 4S 8A 14.8V BMS Advanced Battery Management System for Lithium-ion Batterie

The Smart 4S 8A 14.8V BMS Advanced Battery Management System for Lithium-ion Batterie. With 10+ years of expertise, ISO9001 certification, and a highly responsible engineering team, our BMS ensures precise analysis and robust protection. Featuring intelligent monitoring and CE/RoHS compliance, it guarantees efficient performance and safety. No MOQ thanks to flexible inventory policy.

Model:LWS-4S30A-058

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Product Description


Product Introduction

Smart 4S 8A 14.8V BMS Advanced Battery Management System for Lithium-ion Batterie,including over-current, over-voltage, under-voltage, and temperature monitoring, ensuring the highest level of operational safety.


Product Parameter (Specification)

Smart 4S 8A 14.8V BMS  Advanced Battery Management System for Lithium-ion Batterie


Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications  For LWS® 11.1V(3S) Li-ion Battery Packs
No. Test item Criterion
1 Voltage Charging voltage DC:12.6V  CC/CV
Single balanced voltage  /
2
 Current Balance current for single cell  /
Current consumption
 		≤20uA
Maximal continuous charging current 30A
Maximal continuous Discharging current 30A
3 Over charge Protection（single cell)
 Overcharge detection voltage
 4.25V±0.025V
Over charge detection delay time 0.5S—1.5S
Over charge release voltage for single cell 4.05±0.05V
4
Over discharge protection (single cell)
 Over discharge detection voltage for single cell 3.00V±0.062V
Over discharge detection delay time 10mS—150mS
Over discharge release voltage for single cell
 3.00±0.62V
5
 Over current protection
 Over current detection voltage 0.62V
Charge Over current detection
 		100±20A
Detection delay time 5—20mS
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（MOSFET）
 ≤20mΩ
8
 		Temperature
 Operating Temperature Range
 -40～+85℃
Storage Temperature Range
 -40～+125℃

Product Feature and Application

LWS® Smart 4S 8A 14.8V Li-ion BMS ensures efficient power management and protection against overcharging, over-discharging, overcurrent, and short circuits, safeguarding the battery and connected devices.

Product Details


Our Smart 4S 8A 14.8V Li-ion BMS solutions are suitable for a wide range of applications, including electric vehicles, power tools, UPS systems, and other portable devices that utilize lithium-ion battery packs.



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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