3000mAh 18650 Battery 20A-35A Li-ion 3.7V Button Top Rechargeable High Drain H-IMR - Orbtronic

Usually ships the same business day
Free Battery Case is included when batteries are bought in quantities of 2 or multiples of 2. (Example 2, 4, 6, 8, 10, etc.)

Out Of Stock


3000mAh 18650 button top high drain battery 20 Amps / 35 Amps rechargeable Li-ion 3.7 Volts.
Orbtronic 18650 High Drain rechargeable cell is very popular with Olight X7 Maurader flashlight owners.
Upgraded & More powerful BUTTON top ultra high drain battery is available now: here.
FREE battery holder included with each pair of batteries purchased.

Battery Specifications:

  • Model: ORB3000-20A
  • Type: 18650
  • Nominal Capacity: 3 Ah ( 3000 mAh )
  • Maximum Continuous Discharge: 20 Amp (20000 mAmp)
  • Maximum Pulse Discharge: 35 Amp (35000 mAmp) 
  • Nominal Voltage 3.6V-3.7V
  • Full Charge Voltage: 4.20V
  • Positive contact: Button top 
  • Chemistry: Hybrid IMR 
  • Dimensions: 18.2 ±0.2 mm x 66.5 ±0.2 mm
  • Weight: 47g

Charging li-ion batteries:

  • Compatible with any high quality 18650 Li-ion CC/CV charger 
  • Max charging current: 4 A (4000 mA)
  • Charging Voltage: 4.20 V
  • Standard charging current: 1A - 2A

Important battery safety: 

  • Never completely discharge li-ion battery ( below 2.5V under load ).
  • Charge fully to 4.2V before first use.
  • Never use force to install (insert) li-ion battery.
  • Do not use new and old battery cells together | Does not apply for one cell devices.
  • Use only high-quality battery charger.
  • Do not expose to heat. 
  • Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). 
  • Always keep battery that is not in use in plastic battery holder (or any insulating [plastic] container completely sealed).
  • Never charge battery over 4.22 Volts (another reason to use high-quality li-ion battery charger).
  • Do not charge unattended.
  • Do not use old, and new cells together.
  • Do not store your li-ion batteries fully charged (for extended period of time).
  • Store in cold and dry place at approximately 3.7V (storage charge).
  • After battery is discharged >charge it as soon as possible.


These are 18650 high discharge current & high capacity Li-ion batteries:
If mishandled or mistreated, these batteries can cause you serious injury, use it at your own risk.

What is in the box?

  • Orbtronic 18650 3000mAh Hybrid IMR rechargeable high drain battery cell.
  • Protective plastic battery holder. 
  • Pro li-ion packaging for your safety.
Price listed is for one cell.
Fast shipping from Florida - USA. All orders are usually shipped the same business day.
Your new 18650 batteries are usually shipped the same business day.
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