Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack

Product Details
Customization: Available
Overcharge Protection: Yes
Balance Function: Yes
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  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
  • Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
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  • Overview
  • Product Parameters
  • Specification
  • Product advantage
  • About LWS
  • FAQ
Overview

Basic Info.

Model NO.
LWS-BL-4S-846V2
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
L60.6mm*W48.1mm*T14mm
Trademark
LWS
Origin
Shenzhen, Guangdong
HS Code
8536300000

Packaging & Delivery

Package Size
8.00cm * 6.00cm * 2.00cm
Package Gross Weight
0.500kg

Product Description

Active Balance Automatic Repair Battery Function Protection Board 4S Li-ion Lifepo4 BMS 4S For Battery Pack

Product Parameters
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Mode
LWS-4S-BL-846-V2(4S)
PCM Size L60.6mm*W48.1mm*T14 mm
battery series 4S Available
working current 2Available
Usage(Cell Type) Li-ion battery packs
LiFePO4 battery packs 
Application Ebike, Solar products, etc,EV
weight 24.6g

 

Specification
  
Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD 
Model: LWS-4S-BL-846-V2(4S)
No Test   item Criterion
1 Power consumption current Quiescent current ≤2μA
Operating current (in balanced mode, no switching 900μA
2 Imbalance detection Detection timing duration 2S
Imbalance Detection Time 3.85S
Unbalance Detection Voltage Value 50mV
Balance Voltage Accuracy -70~70mV
4 Balance Current maximum equilibrium current 2A
5 Battery Protection Top Battery Overvoltage Protection Threshold 5V
TOP_OVP Hysteresis 350mV
Bottom Battery Overvoltage Protection Threshold. 5V
BATC_OVP Hysteresis 350mV
Battery Prerequisite Threshold. 2.8V
TOP_PRECOND Hysteresis 150mV
Bottom battery Prerequisite threshold 2.8V
BOT_PRECOND Hysteresis 150mV
6 Temperature Operating temperature range -20~+65ºC
Storage temperature range -20~+85ºC
 
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

Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery PackActive Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
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!

Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
Active Balance Automatic Repair Battery Function Protection Board 4s Li-ion LiFePO4 BMS 4s for Battery Pack
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.

 

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