Accessories Needs thoughts on an extended life battery.

[hackyzac]

Did a little bit of searching but didn't come up with anything solid.



I found a guy selling a brand new Seidio Extended Battery 3500mAh for $75 on another forum I frequent. I've found them online as cheap at $55, but i haven't really found any reviews that ease my mind on if buying this battery would even be worth it.

Anyone have experience with this particular battery? What gains should I see with it? The current stock battery i'm using MIGHT give me 9 hours of duty.

Would it be worth it to talk him down around to $50?

Thanks in advance.