3GS battery replacement and how to do it?

[j2048b]

My battery sucks a$$ and I want to replace it, how do u do it and r there any better batteries out there that one can obtain that is better than the original?

Thanks
J

 

[Resist]

http://www.zeetron.com/products/App...tery-for-Iphone-3GS-1600mah-10-Piece-Kit.html

http://www.youtube.com/watch?v=lIEdIxRpU3g

 

[j2048b]

http://www.zeetron.com/products/App...tery-for-Iphone-3GS-1600mah-10-Piece-Kit.html

http://www.youtube.com/watch?v=lIEdIxRpU3g

awesome thanks!