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3S 4S 10A 14.8V Lithium-ion lifepo4 Battery BMS

LWS® is a leading high-tech enterprise specializing in the research, development, production, and customer service of multi-series and power type lithium battery protection boards. Our CE and RoHS certified 3S 4S 10A 14.8V Lithium-ion lifepo4 Battery BMS reflects our years of expertise in BMS production. With a strong quality advantage, our products undergo rigorous testing, including high-precision E-Testing and 100% quality assurance. Choose LWS® for top-tier battery protection solutions!

Model:LWS-4S10A-438

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Product Description

Product Introduction

3S 4S 10A 14.8V Lithium-ion lifepo4 Battery BMS is a versatile Battery Management System (BMS) tailored for 3-cell and 4-cell series configurations, designed to support up to 10A of current. This BMS ensures the efficient and safe operation of lithium-ion and LiFePO4 battery packs with a stable 14.8V output. Its intelligent features guarantee precise voltage regulation and current distribution, making it an essential component for various applications demanding reliable and durable power sources.

Product Parameter (Specification)

Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications For LWS® 14.8V(4S) Li-ion Battery Packs
No.	Test item		Criterion
1	Voltage	Charging voltage	DC:16.8V CC/CV
1	Voltage	Single balanced voltage	4.20±0.05V
2	Current	Balance current for single cell	42±5mA
		Current consumption	≤50uA
		Maximal continuous charging current	10A
		Maximal continuous Discharging current	10A
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	4.15±0.05V
4	Over discharge protection (single cell)	Over discharge detection voltage for single cell	2.70V±0.05V
		Over discharge detection delay time	15mS—150mS
		Over discharge release voltage for single cell	3.00±0.1V
5	Over current protection	Over current detection voltage	0.10±0.015V
		Charge Over current detection	25±2A
		Detection delay time	7.2—11mS
		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）	≤50mΩ
8	Temperature	Operating Temperature Range	-20～+60℃
8	Temperature	Storage Temperature Range	-20～+85℃

Product Feature and Application

LWS® battery protection board 3S 4S 10A 14.8V Lithium ion Battery Pack BMS
is used for (4S lion) high-capacity battery pack.

Product Details

3S 4S 10A 21V Lithium ion Battery Pack BMS
■ Support 4 LIION Battery Pack
■ Separate monitoring of each string of cells
■ 3 groups of temperature monitoring
■ Over voltage protection (single cell, battery pack), under voltage protection (single cell, battery pack)
■ Over current protection (charge, discharge), level short circuit protection, anti-charge protection
■ Temperature protection (high temperature, low temperature)

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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