battery stats wrong?

[ShadowAlpha]

when I checked settings --> applications --> battery use it shows my battery as having 5m 4s

I know this is wrong because it is about at full charge.
I'm using juice defender ultimate - could that be interfering with showing me correct stats on battery time left?

 

[MofoMan2000]

Um… That's how long your phone has been off the charger, not how long it's gonna last.

 

[Jony Mendoza Rodriguez]

Hi,im an android noob,and i was having the same issue as this guy.
My question is: Where do i check how long my battery will last?
i was kind of wooried because mine was at 100% and the battery stats showed only 26m,14s of battery

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im using a Motorola Razr i