18650 4S1P 14.4V Li-ion Battery Pack 3400mAh with Fuel Gauge SMbus

14.4V Smart Battery with Fuel Gauge SMbus, Battery pack can support System Management Bus (SMBus) protocol which can show the state of charge, battery temperature, cell voltages, current drawn from the cells, failure messages, charging status


Item Specification
Model 18650SMB-4S-34
Nominal Capacity 3400mAh
Nominal Voltage 14.4V
Charging Voltage 16.8V
Charge Current 0.2C std.
0.5C rapid
Standrad Discharge Current 1.0C
Maximum Discharge Current 2.0C
End Voltage of Discharge 10V
smBUS Protocol Function Communication
Protection Circuit Module Function Over charge
Over discharge
Over current
Short circuit
Over temperature
Low temperature
Cycle Life >300cycles
Weight 210g max.
Size  135mm*38mm*19mm
Customized Acceptable

Made of 4pcs of Panasonic NCR18650B 3400mAh cylindrical 18650 cell with PCM for full protection.
Perfect for building 14.4V battery pack for RC toy (cars and airplanes), robots and other portable devices.
Battery pack support System Management Bus (SMBus) protocol.
There is distinct SMBus for each section. The following data can be available through SMBus.
  • State of charge
  • Battery temperature
  • Cell voltage
  • Current drawn from the cells
  • Failure messages
  • Charging status
  • Discharging status

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