In short: author used tool called powertop and discovered that juk and knotify4 are very hungry. juk is matter of personal preferences but knotify4 will run on every KDE4 tablet. Solution for this is turning off sound notifications in systemsettings.
If someone is using KDE4 on NIT and have problems with battery life here is interesting link:
http://hemswell.lincoln.ac.uk/~padam...y081106-125327
Disclaimer: test was done on Acer Aspire One.
In short: author used tool called powertop and discovered that juk and knotify4 are very hungry. juk is matter of personal preferences but knotify4 will run on every KDE4 tablet. Solution for this is turning off sound notifications in systemsettings.