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Address: Room 1706,4TH Building,Baoxin Technology Park,Guangyuan Road ,Guangming district,Shenzhen City,Guangdong ,China
Contact name:Sherien
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4S 120A Peak value 300A Lithium Ion Smart BMS board Battery protect
It's a all-in-one BMS whose major function are as
follow: Unit Voltage Detection, Temperature Detection, High Voltage
Detection, Battery Balance, CAN/TTL/485 Communication,
Bluetooth(Mobile APP), Sleep and wake-up, Off-Delay, Residual power
assessment,MOS control etc.
Smart BMS Battery Description:
The BMS battery management system unit includes a BMS battery
management system, a control module, a display module, a wireless
communication module, electrical equipment, a battery pack for
powering the electrical equipment, and a collection module for
collecting battery information. Battery. The BMS battery management
system is connected to the wireless communication module and the
display module respectively through the communication interface,
the output end of the acquisition module is connected to the input
end of the BMS battery management system, the output end of the BMS
management system battery is connected to the input end of the
control module, and the control module is respectively Connected to
the battery pack and electrical equipment, the BMS battery
management system is connected to the Server through a wireless
communication module.
Basic Function
1. Blue tooth function
C heck parameters such as setting various cell types, battery
series connection number , battery capacity, displaying protection
information and error recording via Application.
2. Unit voltage acquisition A maximum of 4 battery strings can be
used for real-time voltage sampling. The total voltage is greater
than 8V (Support ternary lithium 3-4 series, support lithium iron
phosphate 3-4 series,)
3. Temperature acquisition Sampling the surface temperature of
cell, ambient temperature, MOS tube temperature and equalization
circuit temperature .
4. The SOC calculating Calculate the remaining battery capacity and
check the health status information to get the working status of
the battery pack more intuitively.
5. MOS Actuate Actuate through MOS tube, turn on/off power circuit.
6. Total voltage detection You can check whether the precharge is
completed and check the total battery voltage.
7. Current detection Real-time current detection, short circuit
protection, sleep wake up and other functions.
8. Battery balance Effective battery maintenance through Passive
resistors consume balanced energy,Improve consistency,The
parameters can be set to achieve active equilibrium after meeting
the conditions.The equalization current can be set a maximum with
100mA
Technical Parameters
| NUM | Function | Details | Remark | ||
| 1 | Built-in blue tooth | Support Android and iPhone | Check parameters and set BMS parameters via connecting blue tooth | ||
| 2 | series can be detected | 3-4series lithium battery | Connect to Bluetooth to set parameter. | ||
| 3 | support cell | Ternary lithium, lithium iron phosphate | Connect Bluetooth to set the cell type with one key (the protection voltage of the Unit will be changed adaptively) | ||
| 4 | power supply mode | Battery pack self-powered, 20-80V DC input | Automatically enter the low power mode | ||
| 5 | unit voltage detection | The error in the whole working range is less than 10mV Typical error is less than 5mV | distinguishability 1mV | ||
| 6 | UNIT voltage offline detection | Support | |||
| 7 | balance | Maximum of 100mA passive balance | You can set parameters to meet the conditions and then manual balance | ||
| 8 | temperature detection | -40 ~ 125 ℃ | BMS has built-in balance /MOS/2 channels and can be connected to 2 external channels | ||
| 9 | pack voltage detection | Detection range 0-100V <0.5% FSR(full scale range) | |||
| 10 | current detection | shunt -150~300A,error<0.5% FSR | |||
| 11 | SOC estimation accuracy | error< 8% | 根据重复 | ||
| 12 | AH total capacity | The cumulative value is half of the charging and discharging value | |||
| 13 | short circuit protection | default off | can be set | ||
| 14 | error recording | Support | Connect to Bluetooth to view system logs and upload to the platform | ||
| 15 | working power consumption | < 10mA | |||
| 16 | standby power consumption | < 5mA | Automatically wake up when the charge and discharge are detected | ||
| 17 | working temperature | -40 ~ 85 ℃ | |||
| 18 | storage temperature | -40 ~ 95 ℃ | |||
| 19 | working humidity | 5% ~ 95% | |||
| 20 | level of protection | IP30 | |||
| 21 | weight | < 400g | |||
| 22 | CAN Interface | one port support bootloader(need customize) | CAN/485/TTL are incompatible | ||
| 23 | 485 Interface | one port support bootloader(need | CAN/485/TTL are incompatible | ||
