Clearomizers: H3 (bottom coil w/clear tank and knurled base, don't leak, 2ml capacity
Batteries: 900 & 1000 Ego Twists; last me majority of a day, 2-3 hrs to recharge, (beware of clones!), lasting me a year and counting...
Juice: all DIY, can change nicotine levels, mix in more flavor when needed, try different combos at a minimal expense.
Storage Box: made a new one to hold my 'tanks' and batteries, stored in a drawer.
Backup parts: stored in empty Altoid boxes, labeled, in another drawer.