Lithium Battery BMS Smart 4s 100A Balancer LiFePO4 BMS with Bt RS485

Product Description

Lithium Battery BMS Smart 4s 100A Balancer LiFePO4 BMS with BT RS485

Product Parameters

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

 

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
	Max continuous charging current	≤100A
	Max continuous discharging current	≤100A
	Max 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

 

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, starting from 2013.
There are total about 60 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 Supported: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.