laptop battery life monitor plasmoid

[O. Sinclair]

Does anyone know of a plasmoid or app that can show the remaining 
battery life in time, not percentage?

I am on 9.10 and upgraded to KDE 4.3.5 and have for some time been 
asking myself what value it has to me that the battery life plasmoid 
only shows "percentage remaining". Either a choice to see time 
(estimated, I know) or an option somewhere to configure would be great.

It is a bit irritating to have to open a console and do "sudo powertop" 
to get a time estimate.

Kind regards,
Sinclair