As others have said, you need a backup. You already ordered though so it's too late. When you can, at the very least, grab a 400mah. Despite your light smoking habits, you are going to hit a wall with only one battery on hand.
The VV's are nice, I have a few generic ones and will eventually get a Triton, but since switching to the Tritons I don't even use the twists anymore. In fact I am about to pass them on to a friend who wants to get started. I use standard ohm heads for everything except Tribeca which I use a 2.6-2.8 with.
You mentioned you didn't want the kit because the batteries were only 650's. when I ordered my first setup of Tritons I didn't get the kit either. I got 2 1300's because I wanted the longer battery life. I like my 1300's, but ordered a 650 a little later as a backup. Now I wish I had got the kit to begin with because the case is nice and the 650's last all day, no problem. They even sent me a 400 on accident (which they let me keep) and that thing lasts all day and is just dandy for easy pocket ability.
I guess the point I am making is that what you want/need right now might not turn out to be what you really needed in 2 months.
good luck the first time you forget to charge your battery or you mis-time how long it will actually last you.