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Custom Li-Ion 18650 Battery Pack: 7.3V 5.2Ah (37.96Wh, 4A rate, 4S/S, INR18650M26)

Your Price: From $75.00 to $79.00
Lead Time: TBC

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Connector Options:
*Important Shipping Regulation        This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
  • Made of  4 pcs High quality LG INR18650M26 2600mAh cylindrical 18650 cells with PCB 
  • Packing:
    • side by side with 2 series and 2 parallel (2S2P) with Molex connector
    • PVC shrink wrap
Voltage 7.3 V (working)   8.4 V ( peak)  5.5 V ( cut-off)
Capacity 5200 mAh or 37.96Wh
  • 1x PCB(5A)installed with the  battery pack and protects the battery from
    • Overcharge       (>8.4V)
    • Over-discharge  ( <5.5V)
    • Over drain ( > 7 Amp)
    • Short circuits
  • 1 x 4 Amp polyswitch installed to limit  max. discharging current and to protect wrong polarity
  • 1 x  Vishay NTCLG100E2103JB thermistor
Terminal PR-CU-R754

6.0" 22 AWG wire with Molex 00220130347  Connector
  • Pin 1 = Red = Positive
  • Pin 2 = Black = Negative/return of 10k thermistor
  • Pin 3 = White = thermistor (Vishay NTCLG100E2103JB)


  • A = Red = Positive
  • B = Black = Negative/return of 10k thermistor
  • C = White = thermistor (Vishay NTCLG100E2103JB)

Charge rate 1 A ( recommended ),  3 A max.
Max. Discharging Rate 4 Amp limited by polyswitch 
Dimensions (LxWxH)
  • 2.86" (73mm) x 2.86" (73mm) x 0.735" (19mm)
Weight 7.0 oz (198g)
Related Products
  • Smart Charger:
  • Need a connector? Please find one here
  • Fire Retardant Bag: 295mmx230mmx75mm --- Reduce the chance of damage if caught fire
    • This Fire Retardant Bag (Li-Ion Safer Bag) is intended to reduce the chance of damage in the event of catching fire.
    • Must locate & seal the battery pack in the bag  while charging / leaving without any attention
  • Li-Ion Battery may explode if charging or discharging improperly. User must have knowledge on how to charge and discharge Li-Ion battery before making Li-Ion Battery Pack.
  • Please check for collect polarity as we are not liable for damage due to wrong polarity
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings


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