I would check these apps

battery 0.3 user/desktop 176
conversations-inbox-widget 1.1.1 user/desktop 96
cpumem-applet 0.0.3 user/utilities 64
custom-operator-name-applet 0.1 user/desktop 100
desktop-cmd-exec 1.10 user/desktop 144
proximityd 0.2.2 user/system 88
wifi-signal-applet 0.4 user/desktop 116

You have installed mobile hotspot. check that it´s not running. It eats battery very fast. Or if you use it then...well do not be surprised

Also if possible you can attach list of currently running processes


start xterm
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