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1S 4A 3.7V Round electric lifepo4 tv circuit Lithium ion Battery BMS For 18650 Charger boards

LWS® 1S 4A 3.7V Round electric lifepo4 tv circuit Lithium ion Battery BMS For 18650 Charger boards is a leading high-tech company specializing in lithium battery management system solutions. With over 10 years of experience in the industry, we have assembled a team of top talents in R&D, engineering, and management, enabling us to deliver high-end products with strong design, development, and quality assurance capabilities. Our extensive product range includes the 15S 16S 40A Lithium ion Battery Protection Board for Battery Pack BMS, which has received CE and RoHs certifications. Additionally, we offer the professional 1S 4A 3.7V Round Electric LiFePO4 TV Circuit Lithium ion Battery BMS designed for 18650 Charger boards. Trust in LWS® for reliable and innovative solutions to power your battery systems.

Model:LWS-1S4A-225

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Product Description

Product Introduction

LWS® offers a 1S 4A 3.7V Round electric lifepo4 tv circuit Lithium ion Battery BMS For 18650 Charger boards. Our BMS complies with RoHS, CE, and holds ISO9001 and ISO14001 certifications. Trust LWS® for professional and reliable BMS solutions.

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	≤10uA
		Maximal continuous charging current	4A
		Maximal continuous Discharging current	4A
3	Over charge Protection（single cell)	Overcharge detection voltage	4.20V±0.025V
		Over charge detection delay time	0.96—1.4S
		Over charge release voltage for single cell	4.15±0.05V
4	Over discharge protection (single cell)	Over discharge detection voltage for single cell	2.80V±0.08V
		Over discharge detection delay time	115mS—173mS
		Over discharge release voltage for single cell	3.00±0.10V
5	Over current protection	Over current detection voltage	0.15±0.025v
		Charge Over current detection	12±1A
		Detection delay time	5—15mS
		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）	≤50mΩ
8	Temperature	Operating Temperature Range	-40～+85℃
8	Temperature	Storage Temperature Range	-40～+125℃

Product Feature and Application

Our 1S 4A 3.7V can be used for solar, LED lights, Emergency lights, Digital Equipment, etc.

Product Details

1S 4A 3.7V BMS is a smart and efficient battery management system designed for single-cell lithium-ion batteries. It communicates with a device host and can display real-time battery data on an LCD or a mobile phone. Ensure safety and optimal performance for your 3.7V battery applications with this BMS.

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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