3500mAh 18650 High Drain Hybrid IMR Rechargeable Battery 3.7V Flat Top Orbtronic

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3500mAh 18650 High Drain Hybrid IMR Rechargeable Battery 3.7V Flat Top Orbtronic

18650 IMR High Drain-High Capacity Battery 3500mAh by Orbtronic - Flat top.


Battery type: 18650 High Drain Hybrid IMR 

Capacity: 3500mAh

Max Discharge capability - Continuous Current Load: 10A (10000mA)

Max Discharge capability - Pulse Current: 18A (18000mA)

Full charge: 4.2V

Charging method: CC/CV

Max Charging current: 2 Amp

Nominal voltage: 3.6V-3.7V

Discharge voltage level limit: 2.5V

Dimensions: Flat Top version: 18.5mm x 65.6mm (Button Top version: 18.5mm x 66.6mm)

Weight: 48g

Charge: 10 to +45°C

Discharge: -20 to +60°C

Storage: -20 to +50°C

Core Battery Cell: Panasonic - Japan

Protected: No, this battery is unprotected



  • Never completely discharge li-ion battery ( below 2.5V under load ).
  • Charge fully to 4.2V before first use.
  • Use charger specifically made for Li-ion batteries only. 
  • Do not charge unattended. 
  • Never attach any metal moving part |magnet| to the top-positive, or the bottom-negative battery contact.
  • Never use force to install (insert) li-ion battery.
  • Do not use old and new batteries together. 
  • Use only high quality battery charger.
  • Do not expose to heat. 
  • Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). 
  • Keep battery that is not in use in plastic holder (or any insulating [plastic] container).
  • Do not charge battery over 4.25V (another reason to use high-quality battery charger).
  • Stop using battery with damaged PVC tube (wrap) immediately.
  • Do not store your li-ion batteries fully charged (for extended period of time -1 month and longer).
  • Store in cold and dry place at approximately 3.7V (storage charge).
  • After battery is discharged-don't leave it discharged=>charge it as soon as possible.



These are high discharge current & high capacity 18650 Li-ion batteries. 

If mishandled or mistreated, these batteries can cause you SERIOUS INJURY. USE AT YOUR OWN RISK.


What is in the box?

18650 3500mAh High Drain Hybrid IMR Orbtronic Rechargeable Battery

Plastic Protective Battery Holder


Price listed is for one battery cell.

Fast shipping from Florida USA.

We usually ship the same business day (3 PM EST cut off time)

3 Reviews Hide Reviews Show Reviews

  • 5
    IMR High Drains ROCK!

    Posted by Johnny B. on Apr 15th 2017

    They perform better than I expected. I think of Orbtronics as the ROLEX of rechargeable cells!!!!

  • 4

    Posted by Saqib K. on Apr 12th 2017

    Not at bad at all it work better than some other batteries

  • 5
    Great Vaporizer Battery

    Posted by Melody on May 15th 2016

    I got 4 of these to replace my cycled out batteries, but with theseI only need 2 batteries now.

    They last me 2 days of vaping, and easily handle 50w on a .5ohm coil

    Best battery purchase yet!

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