Wattage display?

[misterD]

maybe you can use something like this?
$27.09 - 2.6" LCD Power Analyzer Watt Meter / Battery Checker / Balancer - R/C Helicopters

 

[Silent Soldier]

I've looked high and low for a meter small enough to fit a tube mod. I guess they are produced specially for the mod creator.
The PV Tune is a tool in the ejuice Calculator, ejuice Me Up. Check the link in my signature.

Any chance of there being a mobile app version of EjMU? It's pretty much the only juice calc I use & I would love to have a version of it on my droid that can use the same recipe files.