Li-ion Battery BMS 4s 12A 11.1V

Model NO.
LWS-4S12A-167-R02(3S)

Discharging Current
12A

Type Voltage
14.8V

PCM Size
L68*W37*T4mm

Type Charging Voltage
16.8V

Temperature Protection
No

Balance Function
No

Transport Package
Anti-Static Bag Packaging/ Carton Packaging

Specification
L61*W61*T3mm

Trademark
LWS

Origin
China

HS Code
8536300000

Production Capacity
50000 Pieces /Months

Description

1. Product Description

 BMS Product feature:

  • Supply OEM/ODM and custom service
  • High quality with smart balance function
  • Wholesale price
  • ISO9001/ISO14001/CE/ROHS certificates
  • Fast delivery
  • Green product
  • One year warranty
  • Excellent safety performance
  •  Short circuit testing passed
  • Overcharge testing passed
  • Over discharge testing passed
  • Original imported :IC from Japan,MOS from USA,Components from Sumsang.
  •  1.2m drop testing passed
  • 100% testing 
  • Support ODM & OEM services  About the battery BMS/PCB/PCMFunction: Detect and protect the battery from over-charge  /over-dicharge / over-current short-circuit / temperature detecting protection /auotmatically voltage balance function .Common Version : common port for charge/discharge 

Separate Version : separate port for charge/discharge

We can customize any PCB from 1S to 35S lithium batteries with different current.

3.6V 3.7V 3S/ 4S  lithium Li ion battery 18650 BMS 5A 7A 8A 10A 12A battery BMS  With balance

  If you feel that this product does not meet your requirements, you can consult our staff, you can recommend or customize the lithium battery protection board you want.

  • Description of application effect 
    (Battery Management System) BMS can extend battery life and make battery work safely.
 

     This model can be used for solar, LED lights, Emergency lights, Digital Equipment, etc.electric scooter,e-bike,tourisr
sightseeing vehicle,electric tricycle,low speed ev,emergrncy ups,solar street light,RV&home energy storage……
Li-ion Battery BMS 4s 12A 11.1V

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. 

Li-ion Battery BMS 4s 12A 11.1V
Mode LWS-4S12A-167-R02(3S)
PCM Size L65*W61*T3 mm
battery series 3S-4S Available
working current 12A Available
Application LED lights, Emergency lights, Digital Equipment, etc
Sample available
Li-ion Battery BMS 4s 12A 11.1V
Wiring:
1. First connect the B- of the BMS to the total negative pole of the battery pack;

2.The cable starts from the thin black one connecting B-, the second red wire connects the positive pole of the first string of batteries, and the next string is connected in turn to positive pole of the battery,B-,B1,B2……B3; then insert the cable into the BMS; (The maximum number of strings is 3-4 strings, the example picture is 15 strings) (Please weld the wires in order and avoid pseudo solder joints.)  
3. Connect Charger C-/Load P- with BMS C-/P- (Use larger size wires) 
4. Connect Positive Pole: Charger C+/Load P+ with Battery Pack B+ (Use larger size wires) .

Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD
PCM Specifications  For 14.8V (4S) Li-ion Battery Packs
Model: LWS-4S12A-167 (4S)
No. Test   item Criterion
1 Voltage Charging voltage DC:16.8V  CC/CV
Single balanced voltage 4.20±0.025V
2 Current Balance current for single cell 84±10mA
Current consumption  50μA
Max continuous charging current 12A
Max continuous Discharging current 12A
Peak current 20A, 2seconds
3 Over charge Protection Overcharge detection voltage 4.25V±0.025V
Over charge detection delay time 0.5S-1.5S
Over charge release voltage for single cell 4.15V±0.05V
4 Over discharge protection Over discharge detection voltage for single cell 2.70V±0.08V
Over discharge detection delay time 0.5S-1.5S
Over discharge release voltage for single cell 3.0±0.10V
5 Over current protection Over current detection voltage 200±25mv
Over current detection current 40±5A
Detection delay time   5mS-15mS
Release condition Cut load
6 Short protection Detection condition Exterior short circuit
Detection delay time 200-500us
Release condition Cut load
7 Resistance Protection  circuitry(MOSFET) 50mΩ
8 Temperature Operating Temperature Range  -20~+60ºC
Storage Temperature Range -20~+85ºC

 
Li-ion Battery BMS 4s 12A 11.1VLi-ion Battery BMS 4s 12A 11.1VLi-ion Battery BMS 4s 12A 11.1VLi-ion Battery BMS 4s 12A 11.1VLi-ion Battery BMS 4s 12A 11.1VLi-ion Battery BMS 4s 12A 11.1V
2. Company Information

 

Li-ion Battery Bodyguard BMS is used for Lithium ion /LiFePo4/LTO  battery pack.

We can design it for various lithium batteries like LiFepo4, LiMn2O4, and Li-polymer etc.

The main functions : over charge protection, over discharge protection, over current protection, short-circuit protection, temperature protection etc.

According to the customer request we can develop PCM in different sizes and structures.

BMS manufactured by high quality Mos and IC imported .Keep your battery long cycle serivce life time.

5  Reasons to Work  with Li-ion Battery Bodyguard :

1.COMPLETE SOLUTION:

We are an End-to-End Solution Provider; so we offer you a complete system solution! Being able to offer the complete solution we save you the hassle of having to search for additional suppliers. From design to supply, we are with you every step of the way!

2. INNOVATIVE PRODUCTS:

We take pride in being original, so we have an exclusive range of products for our clients. These unique products and innovation ensure you stay at the front of an everchanging market. 

3. TECHNICAL SUPPORT:

Our support doesn’t stop once you invest in our products; with our experienced and skilled technical team we assist you even after sale. If you have any questions about your System or Products purchased, our technical team have the answers.

4. PERSONALISED TRAINING:

Our qualified team of experts are readily available to provide A-level class training to your team. Thus, ensuring you remain up to date with the latest bms technologies, safety and testing.

5. QUALITY CONTROL:

With our in-house quality control team and state of the art facilities, we ensure the delivery of a unique product that meets and goes beyond your expectations. 

 

3. FAQ

 

1.after sales services
2.OEM,ODM,Customized Design
3.We can provide 24 hours service for you. We pride ourselves on our ability to custom tailor programs around our customers’needs.
We take time to listen to your unique business needs and then set out to surpass them .
Payment Term:L/C,T/T,Paypal
Can provide variouse capacity and size is per your requirements.

Packaging & Shipping
Packing: Inner packing:Vaccum packing/Plastic bag.
Outer packing:Standard carton packing or packing per customer’s requirements.
Delivery type:by air such as TNT,UPS,FEDEX or by sea ,just depend on your convenient.
Payment:L/C,T/T,Western Union,PAYPAL etc.

1. who are we?
We are based in Guangdong, China, start from 2013,sell to Domestic Market(50.00%),Southeast Asia(8.00%),Eastern Europe(5.00%),Mid East(5.00%),Western Europe(5.00%),Northern Europe(5.00%),Southern Europe(5.00%),North America(3.00%),South America(3.00%),Oceania(3.00%),Eastern Asia(3.00%),Central America(2.00%),South Asia(2.00%),Africa(00.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

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

4. why should you buy from us not from other suppliers?
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

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

Which Battery BMS for which Application?

Just tell us the relative voltage/ cells/ current A or equipment information etc,
We will be confident to choose the most suitbable BMS to meet your requirements.

 

Any further questions, Welcome to contact our sales person by sending inquiry .
Your satisfaction is our pleasure.  Let’s Join hands for mutual Benefits!