Hello fellow vapors, I am trying to determine which ecig bettery is the best. I have been using elite & instead e-cigs for some time. Interestingly enough, both uses the same charges but different atomizers. Elitelight lasts about 1 & half hour and instead lasts for a good two hours. These are regular sizes about 4 inches long. The vapor level is fine, but every now and then I do have to change atomizers when the wick is damaged and cannot vaporize a new cartiage. I'd like to know if there are better ecig products of a battery that lasts longer then its limitations. And yes, I know that batteries have a limited rechargable content until eventually, I'll have to replace it.