4s 30A 14.8V Li-ion Battery 18650 BMS

Modell nr.
LWS-4S30A-015

Discharging Current
30A

Type Voltage
14.8V

PCM Size
L125*W35*T9mm

Balance Current
42mA

Type Charging Voltage
16.8V

Temperature Protection
Ja

Testing Service
100%E-Testing

Transportpaket
Anti-Static Bag Packaging/ Carton Packaging

Specifikation
L125*W39*T5mm

Varumärke
LWS

Ursprung
Kina

HS-kod
8536300000

Produktionskapacitet
50000 Pieces /Months

Beskrivning

1. Produktbeskrivning

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/PCM

Function:
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 15A 20A 25A 35A 45A 60A 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
(Batterihanteringssystem) 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……
4s 30A 14.8V Li-ion Battery 18650 BMS

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.

4s 30A 14.8V Li-ion Battery 18650 BMS
Mode LWS-4S30A-015(4S)
PCM Size L125*W39*T5 mm
battery series 3S-4S Available
working current 30A Available
Ansökan LED lights, Emergency lights, Digital Equipment, etc
Prov available

4s 30A 14.8V Li-ion Battery 18650 BMS
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……B4; then insert the cable into the BMS; (The maximum number of strings is 3-4 strings, the example picture is 4 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) .

PCM Specifications For 14.8V(4S)Li-ion Battery Packs
Modell:LWS-4S30A-015(4S)
Inga. Test item Criterion
1 Spänning Charging voltage DC:16.8V CC/CV
Balance voltage for single cell 4.20±0.025V
2 Current Balance current for single cell 42±5mA
Current consumption ≤25μA
Max continuous charging current 30A
Max continuous Discharging current 30A
3 Over charge Protection Over charge detection voltage for single cell 4.30V±0.025V
Over charge detection delay time 0.5S-2S
Over charge release voltage for single cell 4.10V±0.05V
4 Over discharge protection Over discharge detection voltage for single cell 2.40V±0.08V
Over discharge detection delay time 50mS-150mS
Over discharge release voltage for single cell 3.0±0.10V
5 Over current protection Over current detection voltage 200±15mv
Over current detection current 100±20A
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 Temperatur Operating Temperature Range -40~+85ºC
Storage Temperature Range -40~+125ºC

4s 30A 14.8V Li-ion Battery 18650 BMS4s 30A 14.8V Li-ion Battery 18650 BMS4s 30A 14.8V Li-ion Battery 18650 BMS4s 30A 14.8V Li-ion Battery 18650 BMS4s 30A 14.8V Li-ion Battery 18650 BMS
4s 30A 14.8V Li-ion Battery 18650 BMS

3. FAQ
1. who are we?
We are based in Guangdong, Kina, 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%),Sydamerika(3.00%),Oceania(3.00%),Eastern Asia(3.00%),Central America(2.00%),Sydasien(2.00%),Afrika(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?
Godkända leveransvillkor: FOB,EXW;
Godkänd betalningsvaluta:USD,CNY;
Godkänd betalningstyp: T/T,L/C,PayPal,Western Union,Cash;
Language Spoken:English,Chinese