Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication

Product Details
Customization: Available
Overcharge Protection: Yes
Ovediscahrge Protection: Yes
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Management System Certification
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OEM/ODM Availability
Yes
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
  • Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
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  • Overview
  • Product Parameters
  • Features Introduced
  • Product Picture
  • Specification
  • Product advantage
  • About LWS
  • FAQ
Overview

Basic Info.

Model NO.
LWS-4S100A-900
Over Current Protection
Yes
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
L190*W145*T25mm
Trademark
lws
Origin
Shenzhen, Guangdong
HS Code
8536300000

Packaging & Delivery

Package Size
16.50cm * 9.50cm * 1.50cm
Package Gross Weight
1.000kg
Lead Time
7 days (1 - 1 Pieces)
To be negotiated ( > 1 Pieces)

Product Description

 

Product Parameters
Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
Mode LWS-4S100A-900
PCM Size L165*W95*T15mm
battery series 4S Available
working current 100Available
Usage(Cell Type) Li-ion battery packs (14.8V/cell)
LiFePO4 battery packs (12.8V/cell)
Application Ebike, Solar products, etc
Sample available

LWS-4S100A-900(4S100A)  for LiFePo battery pack of  4  cells in series is a battery protection solution of LWS's, can support a load with very stable, in addition that the continuous current may be up to  100A .

Features Introduced

1.Provides protection for 4 series LiFePo battery pack
2.rovides 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 RS485 protocol
7.Support bluetooth protocol
8.Support low temperature heating

Product Picture

 

Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication
Specification
    
  

Test item

Description

Criterion

Voltage
Charging voltage DC:14.4V CC/CV
Balance voltage for single cell 3.2±0.025Vc

Current
Balance current for single cell 50±20mA
Current consumption (sleeping) 250uA
Current consumption(working) 10mA
Maximal continuous charging current 100A
Maximal continuous discharging current 100A
Maximal discharging current (time) None

Over charge Protection
Over charge detection voltage for single cell 3.75±0.025V
Over charge detection delay time 4±1S
Over charge release voltage for single cell 3.5±0.05V

Over discharge protection
Over discharge detection voltage for single cell 2.3±0.05V
Over discharge detection delay time 4±1S
Over discharge release voltage for single cell 2.5±0.10V

Over current protection
Over discharge current protection 1 300±50A
Detection delay time 1 1000mS
Over discharge current protection 2 400±50A
Detection delay time 2 100mS
Overcharge current protects current 150±20A
Detection delay time 1S

Short circuit protection
Short circuit protection current /
Detection delay time 50~800uS
Protection condition Exterior short circuit
Release condition Cut load,Auto recovery

Temperature
MOSMOS temperature protection /
Charge high temperature protection 65±5ºC
Charge low temperature protection -2ºC
Discharge high temperature protection 75±5ºC
Discharge low temperature protection -20±5ºC/
Release condition 60,
The temperature drops to 60ºC, charge release
Operating temperature range -20~+60ºC
Storage temperature range -20~+60ºC

Resistance
The on-state resistance of the main circuit ≤5mΩ
Break circuit protection Disconnect the voltage sampling circuit to turn off the charge and discharge Support
NTC Protection Thermistor temperature protection Support
Electronic switch Electronic switch Support
Reverse polarity protection   Nonsupport

low temperature heating
In charging mode, start heating <0ºC
Stop heating >5ºC
Supports maximum heater current <=5A
 
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
Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can CommunicationSmart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication

 

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!

Smart 4s 15A PCB Assembly LiFePO4 BMS with RS485 Smbuse Can Communication

 

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


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