No such thing as a silly question. There are seasoned veterens that don't understand when stacking batteries works best. IMO I got the zmax to work in mini mode. I like small mods. I got tired of changing out 4 batteries a day pretty quickly. I got a couple of 18490/18500 and they were better, still didn't last a whole day, which also wore thin.
Then I came in here and learned about stacking 2 18350's and the sea parted. I kid you not. I had a whole new vape experience that quickly became #1 (including my provari). At the MoVapes price I've boughted 3 more, 2 for friends and 1 to backup my backup. I have tried explaining why stacking is so cool in the zmax (not all mods work well with stacked batteries) and quite frankly, it doesn't work. Stacked batteries have been abused in the past with mods that were not designed to be used that way. The Zmax was designed for them. I think it's our little secret in this corner of the web.
So IMO, you'll either want the long or short use of Zmax. I wouldn't bother getting a middle sized battery. At least try it out first. You may want to sink your money into a nice atty or a backup Zmax instead.
I haven't noticed much difference between AW and Efeast. I think the main difference is where you buy them so you don't get caught with rewrapped counterfiets. No ebay, no ali ....'s, etc. RTD, Wong has an order thread on another forum, Illum supply (or something, they just changed names). etc. Know your source.
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.. Actually just yesterday in another thread some body came at me with that.. All I can say is.. You obviously haven't tried it... Yes 2 800mah batteries last easily more than twice as long as one 2000mah battery.
