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Efest IMR 18650 2000mAh Battery - Button Top

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Product Description

3.7v Efest IMR 2000mAh 18650 Battery - Button Top

For use with the XL3, the Silver Lava or any mod that takes an 18650 battery.

Safe chemistry LiMN 3.7V rechargeable battery is now available in 18650 size. Can be charge with any LiIon battery charger with 4.2V output.

Nominal Voltage : 3.7V
Capacity : 2000mAH 
Lowest Discharge Voltage : 2.50V
Standard Charge : CC/CV ( Optimal charging rate 1.5A  max. charging rate 4.5A )
Cycle Life : > 500 cycles
Max. continuous discharge rate : 10C
Height: 66.58mm 
Diameter: 18.18mm
Max 10AMP (please note: This is Efests number, so do not go above this limit in your devices)

- Do not over-discharge/overcharge
- Recharge empty batteries ( resting voltage ~3.6V ) as soon as possible. Leaving LiIon batteries in discharged state will incur irreversible damage ( capacity / cycle loss )
- Do not short circuit ( will release tremendous current )
- Do not dispose of in fire.

 This item cannot be sent to International destinations

Attention : These IMR cells have much lower internal resistance than regular LiIon 3.7V cells and they may end up with a higher ending voltage when charged in certain chargers ( especially older version WF-139 charger ). Please check the voltage of them right out of the charger to see if they are above 4.20V when fully charged with your charger. Overcharging above 4.25V may shorten life/cycles. Above 4.50V may even pop them or making them leak. DO NOT use the charger if it seems to overcharge IMR cells.


This is a claimed max 10 amp battery, if you are using this in your mods, make sure the ohms of your device does not pull more than 10 amps. 
This battery is not safe for subohm vaping.

You can use this calculator linked below (or any ohm/amp calculator) to see if your amps are too high which can ause damage to the battery or worse to your safety


Warranty Information

We want you to be satisfied with every product we sell. Please contact us if you experience any issues with any product we sell.

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Product Reviews

  1. Good product.... 5 Star Review

    Posted by on 17th Dec 2013

    As good as any battery I have tried to date, last a long time and recharge is fast and easy. Great service as always from DV.....thanks.

  2. good product 5 Star Review

    Posted by on 27th Oct 2013

    Ive stuck with this brand and use them with all my mods. Never had any issues

  3. great battery 5 Star Review

    Posted by on 19th Sep 2013

    i have tried other brands of this battery and they do not hold a charge like these do.in my opinion efest is the best.

  4. nice battery 5 Star Review

    Posted by on 17th Sep 2013

    How much can one really say about a battery? It charges and holds a charge a long time. that's all I can ask for. that, and I know Erics batteries are safe

  5. VAMO 5 Star Review

    Posted by on 24th Aug 2013

    Great mod. My first and I just love it!

  6. good batteries 5 Star Review

    Posted by on 27th Jun 2013

    bought these for my "the natural" mech. fits perfectly. last really long at >4.0 volts, which is great! can't complain.

  7. great batteries 5 Star Review

    Posted by on 9th Jun 2013

    fit my vamo perfectly, they last long too.

  8. Excellant Batteries 5 Star Review

    Posted by on 27th May 2013

    These batteries work the best on my mods. Will always buy this kind.

  9. Pretty steep 2 Star Review

    Posted by on 8th Apr 2013

    Other sites have these for over a dollar cheaper. Not seeing a discount here for vapers.

  10. These Batteries fit. 5 Star Review

    Posted by on 18th Mar 2013

    They fit my Gripper and my Vamo. Order some from another site and they did not fit at all.
    Thanks I love them.

  11. great batt 5 Star Review

    Posted by on 15th Jan 2013

    Lasts longer than my aw/imr

  12. Great Battery 5 Star Review

    Posted by on 12th Jan 2013

    I just want to let everyone know that this efest18650 is a great battery

  13. A Battery 5 Star Review

    Posted by on 7th Jan 2013

    Charges and discharges properly. Seemingly slightly longer life than same spec of other brands.

  14. Efest battery 5 Star Review

    Posted by on 5th Jan 2013

    Great battery. Delivers high current, lasts two days

  15. Wow what a great battery 5 Star Review

    Posted by on 1st Nov 2012

    I own many batterys but this is the best, I own

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