After all these changes and developments in the e-cig technology, I'm constantly upgrading to new and better stuff-- and it's great!! I've been really happy with my Ego-T battery (1000) and a 510-lr atomizer. I tried the Ego tank for a while but came back to dripping. It's the perfect/strong throat hit and NO burning. I wanted to upgrade (for more battery power basically) so I bought a 5 volt E power with the new tank. (2.0 cartomizer) No throat hit at all... I'm now trying a 1.5 ohm cartomizer and the burn I keep receiving trying to break it in is killing me. The cartomizers work on my Ego-t battery and it's good--- But did I just waste my money on the 5volt battery thing? Can I lower it down somehow with different batterys to make it have the same output as my Ego-T? On a pie chart for instance.. How would you relate ohms/mAh/Volts to battery longevity and throat hits with no burn? Sorry for so many questions..this gets complicated the deeper you get Please discuss! btw - I'm brand new to cartomizers..why are they so much cheaper than atomizers?