Shandong, China
Business Type:
Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9000
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Balance Battery, Lithium Ion Battery Balancer, Lithium Ion Battery Balancer 4s manufacturer / supplier in China, offering Smart BMS 4s LiFePO4 Protection Circuit Module for LiFePO4 Battery Pack, Chargery Bi-Directional 100V 300A DC Contactor, Catl 3.2V 100ah LiFePO4 Prismatic Battery Cell with Terminal for Energy Storage, Solar System and so on.

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Supplier Homepage Products Battery Balancer Smart BMS 4s LiFePO4 Protection Circuit Module for LiFePO4 Battery Pack

Smart BMS 4s LiFePO4 Protection Circuit Module for LiFePO4 Battery Pack

Min. Order / Reference FOB Price
1 Piece US $42-80/ Piece
Port: Shenzhen, China
Production Capacity: 1000000 Pieces/Year
Payment Terms: T/T
Nominal Voltage: 12V
Material: Plastic
Peak Discharge Current: 60A100A100A180A
Working Current: 25A 35A45A 60A
Transport Package: Carton Box
Specification: 4S Battery BMS

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Basic Info.

Model NO.
4S Balancer
Product Description

Li-ion bms 4s
1.Use top quality (A-level) protective integrated circuit IC, from the solution of Seiko of Japan.
2.Strong load ability, constant discharge current 10A/15A/20/30A/40A/50A/60A , use high voltage resistance, low inner resistance power Mosfet.
   The heat sink will greatly help cooling.

3.IC itself has power balancing function. The circuit is simple and reliable.
4.Typical voltage detection for each cell. So each battery will be prevented over charged or over discharged. Over current and short circuit
   the protection function is very reliable.Long time short circuit of the load won't affect the PCB and the battery.Temperature protection during charging
    and discharging.

5.Extreme low power consumption. The consumption of the whole device is less than 50uA.

Smart BMS 4s LiFePO4 Protection Circuit Module for LiFePO4 Battery Pack
Smart BMS 4s LiFePO4 Protection Circuit Module for LiFePO4 Battery Pack

Product Parameters

Parameters for li-ion 4S 12V BMS
DischargeContinue discharge current20304060A 
Discharge Peak current65165165200A 
Over current protection65165165200A 
ChargeCharge voltage17V 
Charge current20304060ACharge current 8A in
Separate port
Overcharge detect voltage4.25±0.025V 
Overcharge protection delay0.5S 
Overcharge release voltage4.15±0.05V 
BalanceBalance detection voltage4.18V 
Balance release voltage4.18V 
Balance current30mABalance current30±5mA
Over-discharge detect voltage2.7±0.05V 
Over-discharge detect delay0.5S 
Over-discharge release voltage3.0±0.05V 
Overcurrent detect voltage150mV 
Overcurrent detection delay9MS 
Over-current protection release conditionsOffload  
Short circuit
Short circuit protection conditionsShort circuit with external load  
Short circuit detection delay250uS 
Short circuit protection release conditionsOffload  
Temper ProtectionTemper ProtectionNAºCAs Requirement
Inner resistanceMain circuit conductive inner resistance≤10 
Working current≤40uA 
Sleeping current(Battery in over-discharge)≤20uA 
Working TempTemp range-30to80ºC 


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