Hey I'm fairly new to this forum and advanced vaping so I'd like to get some help with my next mod! I just bought my first rebuildables (kayfun lite plus & aga-td) but my mod doesn't do sub ohms so I've narrowed it down to the e mech or seven 30? If I go with the e mech I know the Panasonic 3400mah is what I'll go with but don't have any experience with 26650 batteries, help? I'm looking for something I can vape all day w/o worrying about changing batteries! Any help would b awesome! Thanks for your time!