Awesome! I've found that juices taste entirely different at different voltages. Like my gingerbread cookies from Ms. T tastes awful a bit above 5V, but is great at about 4.7. Most my tobaccos I've been doing about 5.4.
So, do you like higher voltage? I really like the Joker because it seems to have better airflow and allow for a better draw than my GLV. Ever since I got it upgraded to AV, my
batteries have been lasting forever! You know you can use 2 different type of batteries in it. The ones that come with it, they probably were the 3V Lifepos, and you can also use 3.6V 16340s. I have the AW brand from lighthound (can't link to lighthound, it's blocked from my work for some reason). Or the Ultra/Trustfire ones, just make sure you have a seperate 3.7V charger for them:
Ultrafire 3.6V 880mah Protected Li-Ion Rechargeable Battery RCR123A CR123A 16340 CR16340