4S LiFePO4 BMS 12V 60A Balanced PCM
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4S LiFePO4 BMS 12V 60A Balanced PCM

As a professional high quality LWS® 4S LiFePO4 BMS 12V 60A Balanced PCM manufacture, you can rest assured to buy 4S LiFePO4 BMS 12V 60A Balanced PCM and we will offer you the best after-sale service and timely delivery. LWS is a high-tech enterprise integrating the research and development, production, sales and client service of multi-series and power type lithium battery protection boards. Since established, we have successfully developed and produced more than 1000 types of professional hardware PCM/BMS for 1-35S battery pack, and software BMS including SMBUS, I2C, RS485, RS232 & Bluetooth. All of our products has passed CE, RoHS testing.

Model:LWS-4S60A-124(4S) 50AH 100AH 200AH

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Product Description


Product Introduction

LWS® 4S LiFePO4 BMS 12V 60A Balanced PCM is mainly composed of hardware electronic components, and it protects the charging and discharging of the lithium battery pack. When the pack is fully charged, the PCM can ensure that the voltage difference between the single cells is less than the set value in order to achieve balanced voltages between the different cells. At the same time, 4S LiFePO4 BMS 12V 60A Balanced PCM will detect the over-voltage, under-voltage, over-current, short-circuit, and over-temperature status of every single cell in the battery pack to ultimately protect and extend the battery’s life.

Product Parameter (Specification)

PCM Specifications For LWS® 12.8V (4S) LiFePO4 Battery Packs

No. Test item Criterion
1 Voltage Charging voltage DC:14.8V  3.6/Cell
Single balanced voltage 3.6±0.025V
2
Current Balance current for single cell 36±5mA
Current consumption
≤50μA
Maximal continuous charging current 60A
Maximal continuous Discharging current 60A
3 Over charge Protection(single cell)
Overcharge detection voltage
3.9±0.025V
Over charge detection delay time 0.5S—2S
Over charge release voltage for single cell 3.8±0.025V
4
Over discharge protection (single cell)
Over discharge detection voltage for single cell
2.0±0.05V
Over discharge detection delay time 10mS—200mS
Over discharge release voltage for single cell 2.5±0.05V
5
Over current protection
Over current detection voltage 0.2V
Charge Over current detection
140±30A
Detection delay time 5ms—20ms
Release condition Cut load,Automatic recovery
6

Short protection
Detection condition
Exterior short circuit
Detection delay time 200-500us
Release condition Cut load,Automatic recovery
7
Resistance Protection  circuitry(MOSFET)
≤20mΩ
8
Temperature
Operating Temperature Range
-40~+65℃
Storage Temperature Range
-40~+125℃

Product Feature and Application

Our 4S For Motorcycle Starting Batteries 12V 30A Balanced LiFePO4 BMS PCM  is widely used in motorcycles, farming machines, tractors, automobiles, trucks, ships, diesel generators, forklifts, bulldozers and other construction machinery to start machine ignition, instead of conventional lead-acid batteries, higher temperature range adaptability and capacity retention rate.

Product Details

This 4S For Motorcycle Starting Batteries 12V 30A Balanced LiFePO4 BMS PCM is specific for protects 3S-4S starter batteries from overcharging, over-discharging, over temperature, and short-circuit.  passive balance to balancing each cell’s voltage and current.
Dust and moisture proof to better protect the PCM and make life longer.
The inside of the product adopts RoHS environmental protection and 94V0 fireproof insulation protection materials, and the internal heat dissipation design is safe and reliable.
12.8V battery pack rated voltage, 14.4V battery pack full charge voltage, maximum continue current 30A.
Peak current is 200A for 6-10Seconds


Notes

1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) First connect the B- of the BMS to the total negative pole of the battery pack
3) 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,B4; then insert the cable into the BMS;
(Please weld the wires in order and avoid pseudo solder joints.)
4)Connect Charger C-/Load P- with BMS C-/P- (Use larger size wires)
5)Connect Positive Pole: Charger C+/Load P+ with Battery Pack B+ (Use larger size wires) .


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