The redesigned ESmart clearomizer by Kanger is designed with 510 threading and will work with all Ego style batteries and mods with 510 threading, and is particularly great for the smaller diameter batteries, like the 510. The redesigned version is a bottom coil design with a changeable heating coil, so when the heating coil needs replacing, you can just purchase a coil instead of the whole clearomizer.
Please note that lower resistances drain battery energy faster, so you may want to use the higher resistance on smaller capacity batteries. It is also not recommended that you use the low resistance on batteries running at a high voltage. This burns them out quickly.
The ESmart hold 1.3 mL of E-liquid, and the transparent tube is marked so that you can easily see how much liquid is left in the cartomizer. It is also designed for easy filling.