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5A 1S 3.7V round board li-ion bms battery pcm for 18650 cell

LWS® 5A 1S 3.7V round board li-ion bms battery pcm for 18650 cell boasts intelligent features that actively safeguard against overcharging, over-discharging, and excessive currents, offering reliable protection for single-cell battery packs. Its precise and thorough testing procedures, combined with LWS®'s reputable track record, guarantee a high level of performance and safety for various applications, such as electronic devices, portable tools, and other 3.7V lithium-ion battery-powered devices.

Model:LWS-1S5A-101V1

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Product Description

Product Introduction

LWS® 5A 1S 3.7V round board li-ion bms battery pcm for 18650 cell. With LWS®'s trusted reputation and proven expertise in battery management solutions, users can rely on this BMS to provide efficient and secure battery protection for various electronic devices, portable tools, and more.
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
1	Voltage	Single balanced voltage
2	Current	Balance current for single cell
		Current consumption	≤20uA
		Maximal continuous charging current	5A
		Maximal continuous Discharging current	5A
3	Over charge Protection（single cell)	Overcharge detection voltage	4.325V±0.025V
		Over charge detection delay time	0.5—2S
		Over charge release voltage for single cell	4.075±0.05V
4	Over discharge protection (single cell)	Over discharge detection voltage for single cell	2.50V±0.05V
		Over discharge detection delay time	10mS—200mS
		Over discharge release voltage for single cell	2.90±0.05V
5	Over current protection	Over current detection voltage	0.15±0.015v
		Charge Over current detection	10±2A
		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）	≤50mΩ
8	Temperature	Operating Temperature Range	-40～+65℃
8	Temperature	Storage Temperature Range	-40～+125℃

Product Feature and Application

Our 5A 1S 3.7V round board Li-ion BMS is a versatile and reliable battery protection module for 18650 cells, used in various applications such as solar lights, e-bikes, and electric tools.

Product Details

5A 1S 3.7V round board Li-ion BMS is specifically designed for 1-cell 3.7V lithium-ion battery packs, including the commonly used 18650 cells. It offers comprehensive protection features, such as accurate overcharge, overdischarge, overcurrent, and short circuit protection. The BMS is manufactured using high-quality Mos and IC components, ensuring reliability and performance. This BMS protects 2 lithium batteries cells connected in series from overcharging, over-discharging, over current, and short-circuit.

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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