Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc

Product Details
Customization: Available
Overcharge Protection: Yes
Ovediscahrge Protection: Yes
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  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
  • Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
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  • Overview
  • Product Parameters
  • Product advantage
  • Specification
  • Smart & Hardware
  • About LWS
  • FAQ
Overview

Basic Info.

Model NO.
LWS-21S80A-897
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
L136mm*W67mm*T20mm
Trademark
lws
Origin
Shenzhen, Guangdong
Production Capacity
500000 Pieces/Year

Packaging & Delivery

Package Size
13.60cm * 6.70cm * 2.00cm
Package Gross Weight
1.000kg

Product Description

Product Parameters

  LWS-21S80A-897 for LiFePO4 battery pack of 21 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  80A .

Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
Mode LWS-21S80A-897
Brand Name LWS
Type BMS Pcb board
Size L136mm*W67mm*T20mm
voltage LiFePO4 12V 24V 36V 48V 60V 63V
Application Solar,EV,E-bike,Portable Electronic Devices ,Etc
Communication protocol RS485,Bluetooth,RS232,CAN
Certification Got ISO9001,ISO14001,Passed CE, RoHs,
Sample available
 
Product advantage
  1. Provides protection for 21 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 RS485 protocol
  7. Support CAN protocol
  8. Support bluetooth protocol
Specification
Test item   Criterion
Description
Voltage Charging voltage DC75.6V CC/CV
Balance voltage for single cell 3.2±0.025Vc

Current
Balance current for single cell 50±10mA
Current consumption (sleeping) 50uA
Current consumption(working) 10mA
Maximal continuous charging current 80A
Maximal continuous discharging current 80A
Maximal discharging current (time) None
Over charge Protection Over charge detection voltage for single cell 3.75±0.025V
Over charge detection delay time 0.5~1.5S
Over charge release voltage for single cell 3.5±0.05V
Over discharge protection Over discharge detection voltage for single cell 2.50±0.05V
Over discharge detection delay time 500~1500mS
Over discharge release voltage for single cell 2.8±0.10V
Over current protection Over discharge current protection 200±50A
Detection delay time 1 500~1500mS
Detection delay time 2 500~1500mS
Overcharge current protects current 200±50A
Detection delay time 500~1500mS
Short circuit protection Short circuit protection current /
Detection delay time 50~800uS
Protection condition Exterior short circuit
Release condition Cut load,Auto recovery
Temperature MOS temperature protection /
Charge high temperature protection 60±5ºC
Charge low temperature protection 0ºC
Discharge high temperature protection 60±5ºC
Discharge low temperature protection -20±5ºC/
Release condition The temperature drops to 55ºC, 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
 
 
 
Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit ,temperature detecting protection and auotmatically voltage balance function .with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application ( it can be used for less series battery by leaving some connection pins at empty status ),full set of protection measures let it works well without any infulence from external unexpected accidents.
 
Smart & Hardware

 

Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc

Bluetooth APP download method

This application offers seamless compatibility with both Android and iOS operating systems, ensuring a versatile user experience across a wide range of devices.

Remote Monitoring: It allows for remote monitoring of battery parameters and status, providing real-time information about voltage, current, temperature, and state of charge.

Convenience:Bluetooth connectivity eliminates the need for physical access to the battery system for monitoring and adjustments, making it more convenient for users.

Customization: Users can adjust and customize battery protection parameters, such as voltage thresholds and protection alerts, via a mobile device or computer.

Data Logging and Analysis: BMS with Bluetooth capability often includes data logging and analysis features, enabling users to track battery performance over time and identify trends or anomalies.

Please consult customer service for specific information!

BMS host computer Software

Both English and Simplified Chinese are supported.

Data Monitoring: This function allows users to observe real-time data from the battery management system. It provides information on parameters like voltage, current, temperature, and state of charge.

Data Monitoring: This function allows users to observe real-time data from the battery management system. It provides information on parameters like voltage, current, temperature, and state of charge.

Switch Function: This feature enables users to control the operation of the battery system. It allows for turning the system on or off remotely, providing a convenient way to manage power usage.

History Reading: Users can review historical data and events recorded by the BMS. This can be valuable for analyzing past performance, identifying trends, and troubleshooting any issues that may have occurred.

Please consult customer service for specific information!

Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
 
About LWS

Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc

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!

Balance 4s 8s 12s 16s 20s 12V 24V 36V 48V 60V 30A 50A 80A LiFePO4 BMS with Ntc
 
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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