Loves you UnclesWell - Given how she knows her "Stuff' and how special she is -
I would agree with our "Aggie" and go with her choices too - only with a couple of caveats . . .
http://www.madvapes.com/carbon-40-gold.html
Joyetech Cubis Tank | Madvapes
So one could be used while the other is charging would be nice to get at least 2 . . .
Samsung 25R 18650, 20amp, 2500mAh, Flat Top | Madvapes
AND - Also a Charger . . .
Nitecore i4 Charger | Madvapes
Thank You ! ! ! - "Aggie" & "madvapes" . . .