n00b questions...
1 - is that regular silica wick, 30g wire?
2 - your rda is very clean... do you carefully load each and every dab?
3 - What mod is that?
4 - 2.8 ohms why not lower like standard 2.4???
Good batteries include, Sony, MNKE, Panasonic, Sanyo, AW/Efest, in that dont trust any...