How that will differ depends very much on whether or not your Boge is single or dual coil. I'm guessing single? [Does Boge make dual coils? hmm...]
And what voltage is your PV? A Joyetech would be 3.4 volts, many others are 3.7.
If your Boge is a single coil, at 3.7 volts you'd be putting 3.7 x 3.7 / 2 = 6.8 watts to it. Not very good. If it was a dual coil, each coil would get 1/2 of that, or 3.4 watts, which would hardly vape anything, so it's probably a single.
At 3.7 volts, your dual coil 1.5 ohm will put 3.7 x 3.7 / 1.5 / 2 coils = 4.5 watts per coil. Pretty dismal.
Two coils require lots of power. More voltage than most single-battery non-variable voltage PV's can muster, and are really just a cruel hoax perpetrated on newcomers. I know I got sucked into it by a vendor that I now know more than.
These threads will help:
http://www.e-cigarette-forum.com/fo...ined-detail-single-dual-coil-atty-cartos.html
http://www.e-cigarette-forum.com/forum/new-members-forum/289202-highest-wattage-used-ecf-member.html
http://www.e-cigarette-forum.com/fo...866-why-does-ego-c-get-such-bad-rap-site.html
Bottom line: the faster you get into variable voltage, the better. Until you do, you will not know what you're missing, and will wish you had done it much sooner.
On the cheap, a single-coil 1.5 carto in that tank, which I like very much and just bought 5 of (I think it's a re-branded Smoktech 3.5 DCT tank), should give you a much better vape than that dual coil.
3.7v x 3.7v / 1.5 = 9.12 watts. Now we're getting somewhere.
Just think of watts as heat. The coil has to get to a certain temperature to vaporize the juice and release the flavor molecules into the vape.