If you have owned an evod 900 mah battery and want to choose a suitable tank, then the Nautilus/Nautilus mini is that one which will perfectly work for you with that battery. They're both great tanks-make sure you buy BVC replacement coils, which will bring you a fantastic vaping experience. The Atlantis tank, compared with Nautilus tank, will not fire on your battery. It is a sub-ohm tank, not for a beginner or unexperienced user. Get a premium Nautilus/Nautilus Mini on official authorized website!