Lws 2s 3A Li-ion Lithium Battery 7.4V 18650 2s Charger Protection Board PCM BMS for Li-ion Lipo Battery Cell Pack

• Overcharge Protection: Yes
• Ovediscahrge Protection: Yes
• Over Current Protection: Yes
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: LWS-2S3A-336(2S)
• Balance Function: Yes
• Usage: Lithium Battery Packs, LiFePO4 etc
• Application: Digital Equipment, Electrice, Ebike, etc
• Delivery Time: 7-15 Days After Payment for Small Order
• Metal Coating: Copper
• Mode of Production: SMT
• Layers: Multilayer
• Base Material: Fr-4
• Certification: RS485, Can, Bluetooth
• Customized: Customized
• Condition: New
• Testing Service: 100%E-Testing
• Transport Package: in: Vacuum Packing/out: Packing: Carton Packing
• Specification: L40mm*W17.8mm*T2mm
• Trademark: LWS
• Origin: Shenzhen, Guangdong
• HS Code: 8536300000
• Package Size: 5.00cm * 3.00cm * 2.00cm
• Package Gross Weight: 0.100kg

Product Description

 

Product Parameters

Mode	LWS-2S3A-336(2S)
PCM Size	L40mm*W17.8mm*T2mm
battery series	2S Available
working current	3Available
Usage(Cell Type)	Li-ion battery packs (7.4V/cell) LiFePO4 battery packs
Product Weight	0.0017kg
Sample	available

 

Features Introduced

1. Provides protection for 2 series LiFePo battery pack
2. Provides protections in charging and discharging
3. Processes the balance between cells smartly, the current of it can be set freely by external components.
4. Deals with over-current and short-circuit protection with circuit itself
5. Protect an electrical circuit from damage caused by over current/ over load or short circuit
6. Support bluetooth protocol

Product Picture

Specification

      

	PCM Specifications  For 7.4V (2S) Li-ION Battery Packs
Model	LWS-2S3A-336(2S)
No.	Test item	Details	Criterion
1	Voltage	Charging voltage	DC:8.4V CC/CV
		Balance voltage for single cell	4.2±0.025V
2	Current	Balance current for single cell Current consumption	42±5mA
		Max continuous charging current	3A
		Max continuous Discharging current	3A
3	Over charge Protection	Over charge detection voltage for single cell	4.25±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	Over discharge detection voltage for single cell	2.8±0.08V

 

Electric Switch, Temperature Switch, Passive Balance, Active Balance, 5V output, NTC,bluetooth UART/BT/RS485/CAN communication/LCD dispay and etc., if you need any above accessories, please must to contact our sales fisrt. All items could be customized to your requirements,if without any requests after order placed, we will produce as specification in details page.

 

Product advantage

 

About LWS

Shenzhen Li-ion Battery Bodyguard Technology Co.,Ltd was founded in 2013. We provide Battery PCM &BMS for Lithium ion,LiFePo4,LTO battery pack and ODM & OEM services.Since established, we have designed more than 900 types of hardware PCM/BMS, and software BMS including HDQ/12C/SMBUS/ RS485/RS232 & Bluetooth and so on. Mainly covers battery assembly 1S-35S in series, working current up to 350A; the products arewidely used in light ,power tool, electric bicycle,medical equipment, EV application ....etc. Li-ion Battery Bodyguard Technology Co., Ltd has passed ISO 9001(2015) certification.We were also awarded High Technology Expertise (HNTE) in 2018.
   The spirit of "honesty, credibility first" business principle, fast delivery time, competitive price ,high-quality products & services have got us many customer's affirmation.And because of that, our products have been sold to not only Germany, France, the United States, Australia, India, South Korea, Japan but also other countries and regions.
    As a professional BMS designer and manufacturer, we are willing to support, help every client to open new markets and extend new business. Meet us, Meet reliablility, Meet our mutual development!

FAQ

FAQ
Q: How do I judge what material my battery is ?
A: Please take a look at the battery body.if the normal voltage of your battery shows as 3.2V,the battery will be LiFePo4.If the normal voltage of your battery shows as 3.6V or 3.7V, the battery will be Li-ion or Li-polymer battery. you can also ask battery manufacturer the material of battery.

Q: who are we?
A: We are based in Guangdong, China, start from 2013.
There are total about 40 employees in our company.
 

Q:How can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;

Q:.what can you buy from us?
A:Battery Pack BMS,Lifepo4/Lithium Ion PCM,Protection Circuit Board,Print Circuit Board,
Lifepo4/Lithium Ion Battery Pack.

Q:. why should you buy from us not from other suppliers?
A:The company has advanced production equipment and comfortable office environment,
employees hundreds of people. The company Has a complete, scientific quality management system,
and the importance of quality and environmental philosophy.

Q: what services can we provide?
A:Accepted Delivery Terms: FOB,EXW;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,PayPal,Western Union,Cash;
Language Spoken:English,Chinese


About your products, just tell us the relative voltage/ cells/ current A or equipment etc,we will help to recommend the most suitable products for you.