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1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board

LWS® is a factory who has over 10 years experiences in the new energy industry. We are high-tech enterprise integrating the research and development, production, sales and client service of multi-series & high-current battery protection modules. We have full set automation production equipment and sophisticated detection equipment, comfortable office environment, and with a complete and scientific quality management system, all producing processes are strictly in accordance with ISO 9000. You can rest assured to buy high quality 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board from our factory and we will offer you the best after-sale service and timely delivery.

Model:LWS-D18

Product Description

Product Introduction

This is LWS® 1S 1A 18650 Li-ion Lithium Battery BMS Charger Protection Board for 3.7V Battery, but can be customized to 5A, with NTC or Nickel Plate is also available. The following is an introduction to 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board, I hope to help you better understand. Welcome new and old customers to continue to cooperate with us to create a better future together! We hope to establish friendly cooperative relationship with your company with high quality products, reasonable price, considerate service and create a better future hand in hand.

Product Parameter (Specification)

PCM Specifications For LWS® 3.7V（1S） Li-ion Battery Packs

No.	Test item		Criterion
1	Voltage	Charging voltage	DC:42±0.05V CC/CV
1	Voltage	Single balanced voltage
2	Current	Balance current for single cell
		Current consumption	≤10μA
		Maximal continuous charging current	1A
		Maximal continuous Discharging current	1A
3	Over charge Protection（single cell)	Overcharge detection voltage	4.25±0.05V
		Over charge detection delay time	0.5S—2S
		Over charge release voltage for single cell	4.15±0.05V
4	Over discharge protection (single cell)	Over discharge detection voltage for single cell	2.80±0.10V
		Over discharge detection delay time	10mS—200mS
		Over discharge release voltage for single cell	3.00±0.10V
5	Over current protection	Over current detection voltage	0.15±0.02V
		Charge Over current detection	3±1A
		Detection delay time	7.2ms—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）	≤60mΩ
8	Temperature	Operating Temperature Range	-20～+60℃
8	Temperature	Storage Temperature Range	-20～+85℃

Product Feature and Application

1.High accuracy voltage detection circuit
2.Using high voltage device charging terminal
3.Overcurrent detection circuit
4.The battery charge and discharge can be controlled the MOS transistor

Our 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board is suitable for the following products: Massager battery pack, 1S battery pack, LED light backup power, 3.7V electronic products, Solar Street light battery pack, Monitoring backup power, and other products.

Product Details

LWS 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection BoardLWS 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board
This 1S 3.7V 1A lithium ion BMS PCM 18650 Battery Protection Board protects 1 lithium battery from overcharging, over-discharging, over-current, and short-circuit.
3.7V battery pack rated voltage, 4.2V battery pack full charge voltage, 3.6V battery pack rated voltage.
This board is not designed for high powered tools such as portable drills and alikeThis board is not designed for high powered tools such as portable drills and alike.

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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