iphone getting hot after replace battery

[IsaacEli]

i replace my battery on iphone 4s
the phone getting very hot and smell like burn
any idea why

 

[darngooddesign]

i replace my battery on iphone 4s
the phone getting very hot and smell like burn
any idea why

You did a bad job replacing it.

Its hard to say why because we don't know what you did.

 

[IsaacEli]

Can happened because the battery i bought not good?

?

 

[rgctx]

i replace my battery on iphone 4s
the phone getting very hot and smell like burn
any idea why

You buy this off eBay ?

 

[IsaacEli]

You buy this off eBay ?

Yes

 

[IsaacEli]

You buy this off eBay ?

where should i buy it instead?

 

[elistan]

where should i buy it instead?

From Apple.
http://www.apple.com/batteries/replacements.html