Chargery BMS 8 Active Balancer BMS for Lithium Ion and LiFe batteries
Chargery BMS 8 Active Balancer BMS for Lithium Ion and LiFe batteries
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The chargery BMS 8 is a very simple and effective way of keeping 3-8S Lithium batteries balanced, protected from overcharge and discharge. BMS 8 is one of the few BMS's that shows you individual cell voltages and status messages on its LED display. Finally a simple BMS for small systems that shows you what it's actually doing!
BMS 8 can also be used for simple charge protection and cell balancing by only charging through the device, not discharging. This allows you to use it in high current applications that already have a low voltage cutoff.
BMS 8 will cutoff the charge if:
One cell reaches the overvoltage threshold before the others
If the voltage difference between the cells becomes too large
If the temperature of the battery is too great.
When charging is cut off becuase of a cell imbalance BMS 8 will start balancing and then resume charging once the imbalance has been corrected.
BMS8 is a high efficiency wide input voltage BMS, the device can detect and monitor 3S to 8S LiPo and LiFePO4 cells voltage and charge or discharge current, battery temperature in a smaller size. The following are some new features:
Detect and display pack voltage, difference of cell voltage and temperature, each cell voltage by microprocessor, 100% calibration before delivery make sure the high accuracy.
Over Voltage protection during charge, BMS8 will cut off charge and sound warning by beeper
Under Voltage protection during discharge, BMS8 will cut off discharge and sound warning by
beeper
Over temperature protection during charge or discharge, BMS8 will cut off charge or discharge
and sound warning by beeper
Over current and short circuit protection,
Cut off discharge when 25A to 100A discharge current for different continuous time. It means the e-scooter don’t lose power under 100A, such as the e-Scooter can be powered at 40A for 1 second at least, and cut off, then resume automatically.
100A or more when short circuit, cut off discharge automatically and resume 10 seconds later.
Dual protection by program and hardware, more reliable.
Low Quiescent current design, BMS8 draw current from all cells to keep the cell voltage
balanced and minimize the power consumption in stand-by.
AL alloy case
Approved by CE
12 months warranty
Application
E-Bike, E-Scooter
Device and machine powered by battery
Energy storage systems like powerwalls and solar systems.
Specification:
Battery Types: LiPo and LiFe cells
Cells Count : 3S - 8S
Maximal Voltage on P+ and P-: 35V
Maximal Voltage on B+ and B-: max. 35V Charge Current: up to 25A
Discharge current: 0~25A continue, 100A burst
Current drain for balancing: 300mA/cell.
Balance accuracy: <10mV
OverChargeProtectionVoltage:4.20V/cell(LiPo),3.75V/cell(LiFe) Over Charge Release Voltage: 4.15V/cell (LiPo), 3.45V/cell(LiFe)
Over Discharge Protection Voltage: 3.0V/cell (LiPo), 2.0V/cell(LiFe) Over Discharge Release Voltage: 3.3V/cell (LiPo), 2.30V/cell(LiFe) Over temperature Protection: 85°C,50°C resume automatically Voltage display resolution: 0.001V
Voltage Detection precision: 0.005V
Compact size: 115 x 68 x 15mm, or 4.52” x 2.67” x 0.59” Weight:150g
Case : Aluminum Alloy
Package contents
Chargery BMS8 BMS
Temperature Sensor
Adapter Board with JST Connectors