LG HG2 20A 3000mah IMR 18650 High Drain Battery

by LG
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$ 12.99
$ 8.99
Number of Batteries

The LG HG2 20A 3000mah IMR 18650 High Drain Battery is massively popular. Compared to HE4 and 25R batteries they provide higher capacity with the same continuous discharge. We purchase our HG2 from Korea/Japan (not China) to guarantee quality the highest quality. 

No Memory Effect
High Performance
Low Internal Resistance
Outstanding Discharge Properties and Storage Capacity


**While these batteries are authentic, LG does not condone or recommend using 18650 batteries to power vaping devices, and assumes no liability or warranty responsibility in case of an issue. Check out our Battery Safety page for more info. USE AT YOUR OWN RISK. 

The leading battery manufacturers have recently launched a safety campaign and website to continue educating distributors, retailers and consumers. 


Item Condition / Note Specification
Capacity Std. charge / discharge


Nominal Voltage Average of Std. Discharge 3.60V
Standard Charge

Constant current



Constant voltage

End current(Cut off) 50mA
Fast Charge Constant current 4000mA
Constant voltage 4.20V
End current(Cut off) 100mA
Max. Charge Voltage 4.20V±0.05V
Max. Charge Current 4000mA
Standard Discharge

Constant current

End voltage(Cut off)



Fast Discharge


Constant current


End voltage(Cut off)


10000mA, 20000mA


Max. Discharge Current For continuous discharge 20000mA
Weight Approx. Max. 47.0G
Operating Temperature



0 ~ 50°C

-20~ 75°C

Storage Temperature

1 month

3 months

1 year

-20 ~ 60°C

-20 ~45°C

-20 ~ 20°C



(D) 18.3 + 0.2/-0.3 mm

(H) 65.0 ± 0.2 mm  

1 LG HG2 20A 3000mah IMR 18650 High Drain battery

NOTE: This is an unprotected high discharge battery. If you are not familiar with this product please ask for help. This product can represent a fire or injury risk if misused. Be sure you understand the proper handling and use of this product before purchase. Buyer assumes all responsibility for use.


  • Never completely discharge
  • Charge fully before first use
  • Never use force to install
  • Use only high quality battery chargers
  • Do not expose to heat
  • Do not short positive, and negative contacts
  • Never keep a spare battery in your pocket or purse without a plastic case
  • Never over-charge battery
  • Do not charge unattended
  • Do not store your batteries fully charged 1 month or longer
  • Store in cold and dry place


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