YOU SHOULD GET THE ZEUS ION IF… You are looking for a 510-threaded battery that functions and feels premium. The Zeus Ion provides a compact and portable design with one of the most prominent batteries in the category. If you value the units you carry with you as a fashion piece or simply want the highest quality available, the Zeus Ion checks all the boxes. Compatible with any 510 threaded cartridges up to 12mm in diameter, the Ion can fit most 0.5ml to 1.2ml cartridges. Those who like being up to date on the latest premium gadgets will love the Zeus Ion 510 Threaded Battery.