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Custom Li-Ion 18650 Battery: 3.635V 3500mAh (12.7Wh, 2A rate, INR18650 MJ1) with JST PHR-3 connector -UL Listed/UN 38.3 Passed

Your Price: No resale. See notes
In Stock

Product ID # 6765
Part Number:

Available to order with lead time 5 Business Days to build


  • Custom 3.635V 3500mAh Li-Ion Battery pack is made of 1x LG INR18650 MJ1 Rechargeable Cell
  • Wrapped with white PVC
  • Custom label
Voltage  Nominal: 3.635V; Charge Cut off: 4.2V; Discharge Cut off: 2.5V
Capacity  Nominal: 3500mAh; minimum: 3400mAh
Terminals 1" 24AWG wire with JST PHR-3 (1" length wire not include the length of connector. See drawing)

Pin 1 = Black (NTC+battery negative);
Pin 2 = White (NTC);
Pin 3 = Red;
  • 1x PCB (PCB-S1A2B)installed with the  battery pack and protects the battery from
    • Overcharge  / Overdischarge  / Over drain / Short circuits
    • PCB (A08810) has been reserved by Jasmine on 5/6/2022
  • 1x 2A Polyswitch
  • 1x 10k NTC (UL)
  • 1x PVC-36 White(UL)
Charge CC/CV  Standard: 1700mA / 0.5C, End current: 50mA
 Maximum: 2000mA
Discharge  Standard: 680mA / 0.2C
 Maximum: 2000mA, limited by PCB and polyswitch
Dimensions(DxH)  0.75" x 2.75" (20mm x 70mm)
Weight  50g  ( 1.6oz ) 
Temperature Charge: 0 to 45°C
Discharge: -20 to 60°C
Storage: 1 month: -20 to 60°C; 3 month: -20 to 45°C; 1 Year: -20 to 20°C


  • Lithium battery may be exploded if not using properly. Please refer above specification. We are not responsible for any damages or losses caused by misusing, which include but not limit to:  over charge, over discharge, over current, any changes of this battery pack, disassemble battery pack) .
  • Always charge battery with attention.  Battery pack shall be placed in a fire-proof container during charge to avoid any accident
  • Please check battery polarity before connect battery with device. Never make wrong polarity connection.
  • For safety warning please see the link here

Related Products

  • Smart Charger: please choose our 1.8A smart Li-Ion battery charger
  • Need connetors to DIY?  Please order 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

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