I have a Dynapak(I think that's the name) from Amazon and I notice a difference compared to stock. I think I paid $16 when I bought it for two. I believe it says they're 1600 mAh or 1650. I'm happy with it.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service