Ahmad Ch.
I would suggest you to use the Line graph instead of Bar graph and you will be able to see your usage and standby timing

It looks really good but those values arent shown correctly. I had 20hr Stanby and  over 5hr SOT but few hours late 19hr @ stanby and 4hr SOT. And even now i have over 24hr since last charging but it shows 17hr. Liar :D