Batteries FLIP ULTRA | The Most Advanced 510 Key FOB Vape Pen

FLIP ULTRA | The Most Advanced 510 Key FOB Vape Pen

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Our most advanced FLIP Vape pen yet, The Patented FLIP® ULTRA is our latest upgrade to the most popular, discreet vape design out there.  We took our best vape and made it even better through advanced technology, allowing you deeper insights into your vaping, more flexibility and convenience, additional safety and the highest technology available in any Key FOB style vape out there.  It even comes with our award winning ceramic cell cart included.

This patented Vape Battery is an online exclusive and can be bought ONLY ONLINE AT O2VAPE! Not available from other vendors or in stores.

Here’s what you get:

  • Digital Display featuring Puff Counter, Voltage Data and Battery Life.
  • Largest Battery size at 650 mah to keep you vaping longer
  • Auto On/Off Flip Lock to keep your cart where you want it and disabled when closed
  • Wider Voltage Range of 2.7 to 4.8V
  • Mini USB or Lightning Charging Port
  • 510 Thread Compatibility
  • Award Winning Ceramic Cell 510 Cart in Gun metal

Buy Multiple and Save!

*If choosing a

Vari-Flow Cartridge

, be sure to use the “skinny” model.  Wider cartridges may not close.

Professional Reviews & Testimonials

Best 510 Thread Vape Battery of 2020
“O2Vape was successful at creating a vape that excels in functionality and aesthetics. Everything about the design actually serves a purpose, it’s not just trying to be fancy to show off.”

“The battery life is also at least double, if not triple the capacity of most stick batteries”

-Vaping 360

Best Vaporizers to Buy in 2020
“This is one of the most unique vapes we have ever encountered.”

“When a simple, high-performing vape device comes across our desks, we usually give it top marks. And the O2VAPE Flip Ultra might just sit atop the growing pile of options out there. One of our test oils — a pure, blueberry-tinged blend — absolutely sang using the stock combination, right out of the box.”


“The Flip Ultra is one of the finest vapes I’ve ever used.”
“I really love everything about this device from the design and inspiration to the materials and build quality.”

– Churn Magazine

“It’s a pretty ingenious design in that it resolves many of the problems inherent with traditional oil pens.”

– eCig One

“The attention to detail is clear in the quality of the product.”
“Battery for days! If I was going to be off the grid for the weekend, this is the battery I’d pack.”


4.8 of 5 
“The Flip Ultra has, without a doubt, offered me one of the best THC vaping experiences of my life.”
“A stunning product packed with state-of-the-art features.”

– Electronic Cigarette

“The Flip Ultra will quickly become your favorite way to vape cartridges!”
“There are imitators out there, which I have extensively sampled, but the Flip Ultra is special.”
“The power output is uniquely and impeccably consistent, unlike the disappointing performance of most other stick batteries.”
“My active lifestyle has rendered many devices useless, so the Flip Ultra’s sturdy construction gives me peace of mind and a vape with impressive durability.”

-Gypsy Vapes

“You get some big ‘ole clouds with this battery!”

– Urboy Vazquez (YouTuber)