...its Vaportekusa
I have been getting a lot of requests for ego style twist batteries. The build quality of Smoktech and Joytech ego batteries in my opinion are the same.
In the spirit of the Ego Twist - Smoktech has come out with its own version. These are 900mah and go up to 4.8v. The voltage readings are clearly written on the outside of the battery. It's far easier to read the voltage setting - then on a twist. I use twist style batteries when I go out, and these are a great deal!
THE HARD COPY:
3.2v to 4.8v. Adjust the voltage by turning the dial.Short Circuit protection.5 Clicks on button for on/off.
Works with 510 and EGO gear.
Charge with eGo charger only.WHERE: http://www.vaportekusa.comTHE DEAL:USE COUPON CODE VAPORJOE5OFF TO BRING THE TOTAL DOWN TO $16.89\ 
...its vaporphoenixHere is a great deal on an Ego-Twist. I love these for on the go vaping - I always have one with me. Great for a new vapor to get started on variable voltage.WHERE: http://www.vaporphoenix.com/THE DEAL:$17.99
...its vaporbeastSo it looks like the vision spinner and the ego twist had a baby. This is a 900mah ego twist ultra battery by Greenfly. Usually around $24.00 + shipping - this is a deal @ 19.99 free shipping. I always have a charged ego twist on me when I go out. For under 20 bucks you have a variable voltage device thats going to give a solid vape.
THE HARD COPY:Normally $24.99! The EGO Twist ULTRA with battery indicator ring is back in stock. Adjust your voltage from 3.2~ 4.8 volts. Simply turn the rotating knob on the bottom to adjust your voltage in 0.2v increments. The voltage output will NOT decrease until battery needs charging.
This ULTRA battery has intensified short circuit protection, discharge and overcharge protection, switch protection, atomizer protection, and low voltage protection.The battery also has a five click on/off feature.
* 900 mAh battery
* Colors: Black
FEATURES:
* Voltage can be adjusted from 2.8V-4.8V.
* Adjust voltage by turning the the knob at the bottom
* LED indicator ring displays remaining battery life
* Short-circuit protection
* On/off function: Simply press the button quickly 5 times.
* Atomizer protection: If you press the button for 10 seconds, the battery will shut down
* Low Voltage protection: When the battery voltage is lower than 2.9V, the battery will shut down
* LED blinks 5 times to let you know your Twist is ready to be charged
WHERE: http://www.vaporbeast.com/$19.99 FREE SHIPPING
...its ConstantvaporI love my ego minis, and here is a great deal on them. Built for portability and stealth these ego mini batteries last 3 - 3 1/2 hours. I use them when I go out and want a super portable set up. These with a low res clearomizer or a smoktech shorty can be easily slipped in my pocket or palmed for the ultimate in stealth vaping. I have a bunch of ego batteries and I always find myself using the minis when I leave the house.
WHERE: http://www.constantvapor.com/THE DEAL:Use coupon code VDAY20 to bring the total down to $8.76
