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Smart Balancer for LiPo/Li-ion batteries pack
The balancer DB8 is redesigned firmware and the new model is BMS8

BMS8 is a intelligent BMS designed especially for 3S - 8S LiPo/LiFe battery pack, it has a microprocessor to detect and balance each cell voltage of the 3 to 8 cells in series.

The unit can balance the battery while charge discharge or at stand alone mode.

Nixie display indicator display each cell voltage, battery pack voltage, difference of cell voltage and the balance state of the battery pack.


Cooperating with charger, the built-in software can detect the cell voltage in charging or discharging.

Besides independent balance mode, you can connect any LiPo or LiFe charger to the input lead first, then connect the BMS8 to the balance connector on your pack, finally connect the output leads to the discharge wire of the pack.

BMS8 maual (284K ) BMS8pro maual (284K )
BMS8Pro is updated from BMS8, the device can handle 50A charge and up to 300A discharge
All kinds of balance connectors are customized for TP, Flightpower, Hyperion, Kokam, Graupner lipo batteries and  so on. connector and plug


  1. Automatically detect and display battery balance status for any 3 to 8 cells pack
  2. Over voltage protection during charge
  3. Under voltage protection during discharge
  4. Over temperature protedtion during charge or discharge
  5. Over current protecdtion during charge or discharge
  6. Short circuit protection
  7. Nixie display indicator display each cell in balancing
  8. Automatically cut-off the charging or discharging while any cell is over charged or over discharged
  9. With Special Connector Conversion Board(CCB-9KT) to fit all kinds of battery connectors
  10. Low quiescent current design, BMS8 draw current from all cells, the power consumption is less than 1mA.

Input/Output Specifications:

  1. Battery type: 3S to 8S LiPo and LiFe.
  2. Charge current:: up to 25A.
  3. Discharge current: 0~25A continue, 100A burst.
  4. Current drain for balancing : 300mA/cell
  5. Balance accuracy : <10mV
  6. Over Charge protecion voltage:4.20V/cell (LiPo), 3.75V/cell (LiFe)
  7. Over Charge Release voltage:4.15V/cell (LiPo), 3.45V/cell (LiFe)
  8. Over Discharge protecion voltage:3.0V/cell (LiPo), 2.0V/cell (LiFe)
  9. Over Discharge Release voltage:3.3V/cell (LiPo), 2.3V/cell (LiFe)
  10. Over Temperature Protection:85íŠ, 50íŠ resume automatically

General Specifications:

  1. Operating Temperature:                  0~40íŠ
  2. Storage Temperature:                    -20~85íŠ
  3. Operating Relative Humidity:         5~95%RH

Mechanical Characteristics:

  1. Dimension: 115*68*15(mm, L*W*H) or 4.52"*2.67"*0.59"
  2. Case Material : Al alloy
  3. Balances Connector : JST XH 9PIN
  4. weight :   150g

Related Products:

Chargery Balancer Connector  Conversion Board (CCB)

  1. The CCB-9 is designed for connecting the BMS8 to the different brand LiPo/LiFe battery packs with different balance connector
  2. To use CCB-9KT, you can connct the BMS8 to 3S to 8S battery pack.
  3. Size:78*50*18(mm,L*W*T)
  4. Weight: 20g


CEH-9: Conversion Wire

CCB-9KT-XH For 3S, 4S or 2*4S, 5S, 6S, or 7S battery pack

Input / Output power leads connect to Charger and battery pack Temperature Sensor

Safety Certification:CE

BMS8 is fully committed to compliance with the European Unioní»s RoHS directive.

Other Smart Balancers are as follows, click model directly to get the product details.
Click the model for other Smart Balance Chargers:



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