Variable Voltage Battery Gray w/ 510 Thread | Vari-Vape

Rated 4.88 out of 5 based on 8 customer ratings
(8 customer reviews)

starting at: $29.99


See all Variable Vape Pen Battery Options Here
510 Thread Vape Pen Battery
Variable Voltage from 3.3V to 4.8V
350 mAH for perfect size and battery life mix
Ships same day if ordered by 2:00 EST
Discounts on volume orders, see our wholesale vape pens page
Available in premium vape pen kit
Available in Stainless Steel Variable Voltage Version
To mix color choices on 2, 4 or 10 packs please include preference in the note section upon ordering


Variable voltage Vape Pen Battery
Special USB Charger




About the O2VAPE Vari-Vape:

Finally, get the quality associated with O2VAPE's lifetime warranty backed batteries and the convenience of a variable voltage pen that will work with all of your 510 thread cartridges.  With a variable voltage from 3.3V to 4.8V this battery provides the ultimate in vape pen adjustability.  Now we are offering this in a rugged, rubberized, gray version that feels as smooth as it hits!

The Vari-Vape variable voltage vape pen battery allows you to dial in exactly the right amount of power for your ultimate vaping pleasure.  Whether you are looking to get a smooth easy pull off of a traditional polycarbonate cartridge or if you are using a ceramic vape cartridge and looking for enough power for a big cloud, and the cleanest hit available on the market, this vape pen battery can do it.


Think this pen is like the others?  Ask them for a lifetime warranty.  We stand behind the quality because we don't mess around like other brands.  We test and test until we know we have the right components and a long lasting life.  Then we back it up with a lifetime warranty that will allow you to stick with the O2VAPE family.  We want satisfied customers, and this is our way of making sure that you buy with confidence.


It comes with the specially designed usb charger for this battery with every order as well.  While the pen uses a 510 thread, this charger is specially made to charge a stronger lithium ion battery and has a design that will work specifically with this battery. When charging the usb light will be red and green when charged. Please click the button 5 times to turn on and off and hold the button down to get that perfect puff!

*To reduce damage to the battery, Do not use a rapid charger usb or charger that is not made for this product.

Additional information

Number Of Vape Batteries

One (1) Vape Battery – $29.99, Two (2) Vape Batteries – $54.99, Four (4) Vape Batteries – $94.99, Ten (10) Vape Batteries – $209.99

8 reviews for Variable Voltage Battery Gray w/ 510 Thread | Vari-Vape

  1. Rated 5 out of 5

    Rick Mc Donough (verified owner)

    Works very well!

  2. Rated 5 out of 5

    Natasha (verified owner)

    First off I was soooo skeptical about buying a new pen in general. I went through Instagram hashtags.. blogs.. even turned to YouTube! The only video I came across on the internet regarding o2vape pen wasn’t even physically showing how the pen works and a review on it. Was just a sales person talking about the pen and the story behind it. But the way the representative talked so confident about the pen and it’s battery behind it I just immediately felt like this pen was a great pen & most important under appreciated. I checked out the site and it’s amazing prices! I bought the 2 newest pens. Long story short my pens got here in 3 days instead of 6?! That’s a plus!

    When my pens got here I didn’t have anymore refills with cartridges.. so I went in my dresser and said “hey let’s just use this old cartridge from last week that must have less than a .1 hahaha.. I screwed it on clicked the button 5 times And boom it was like if I had a full cartridge. That pen gets it ALL! Hands down best pen market

  3. Rated 5 out of 5

    pbible (verified owner)

    Great product. Heats fast, easy to use, love it!!

  4. Rated 5 out of 5

    Kareva (verified owner)

    10/10 would buy again. I spent the better part of six months using shitty pens that were “the best” from stores but couldn’t hold a charge or didn’t hit consistently. This pen is amazing and a fantastic price. O2vape will certainly be my go-to store for all vaping needs in the future.

    If you are reading this, just get it. It’s worth it.

    • O2VAPE

      Thank you so much ! So glad we can meet your needs!

  5. Rated 5 out of 5

    Matéo (verified owner)

    10/10 suggest buying this pen. Why? Because having the ability to change the voltage allows the consumer to find the ‘sweet spot’ so-to-speak. Plus, the battery lasts fairly long for an average user and if it ever goes wrong you can mail it in for a replacement via a LIFETIME WARRANTY. You can’t be that.

    • O2VAPE

      Thanks so much! SO glad you are enjoying our products!

  6. Rated 5 out of 5

    Scott (verified owner)

    Great product, so far. Fast shipping. A +++

  7. Rated 4 out of 5

    Francisco (verified owner)

    3/5 Doesn’t hold charge as long as I thought. You get good consistent hits when charged but battery barley lasts me half a day. Charged it as recommended but still has poor battery life, not sure if it’s just mine but would still recommend it.

    • O2VAPE

      Hi Francisco, Sounds like you may have gotten a bad battery please contact us for a warranty claim and we will fix you right up 🙂

  8. Rated 5 out of 5


    Awesome product. Really great customer service, helped me clear up some shipping issues. Loving it so far

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