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Fuel Gauge for PCB of 14.8v Li-Ion Battery Pack with 5.5x2.1mm Male Plug

Your Price: $12.95
In Stock

Product ID # 9973
Part Number:

Lead time is 5 business days!

Note: This fuel gauge is not intend to be use as a very accurate reading of the battery pack's capacity. The battery level indication can vary by 5% depending on the capacity of the pack!


  • Fuel Gauge with 6.0" 5.5x2.1x10mm Male Plug
    • Inside barrel = +
  • Apply to PCB/PCM of 4 cells Li-ion / Polymer Li-ion 14.8V battery pack.
  • No external power is need
  • Can connect directly to pcb/pcm via special connector on board or connect directly to output of battery pack
  • 5 LEDs display battery pack's voltage. The voltage listed below is base on battery during discharge. (The actual voltage might vary for LED 2-4 during charging.) 
    • 1 LED Flashing = pack voltage  < 11.9V  (must recharge battery)
    • 1 LED = pack voltage: 11.8-14.3V  (battery need recharging)
    • 2 LED = pack voltage: 14.1-15.0V
    • 3 LED = pack voltage: 14.9-15.8V
    • 4 LED = pack voltage: 15.7-16.2V
    • 5 LED = pack voltage: 16.1V or higher ( battery is fully charge)


  • Power consumption: Max 2mA
  • Dimension (LxWxH): 51mm x 26mm x 4mm
  • Weight: 1.5oz (42.5g)


  • Please check polarity before making connection to avoid damaging the module.
  • This fuel gauge is use for 14.8V pack only or it will damage the fuel gauge. 
  • Please make sure your selection is correct before purchasing. 


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