Is there a longer life battery for Galaxy S4?

[AC Question]

Can I buy a stronger or longer life battery for Galaxy S4?
I see replacements but are they same same as the original battery?
I see power packs that juice up the batter in different strengths.

 

[sethyboy]

There are third-parties such as ZeroLemon that make extended batteries for the S4. You can look up "s4 extended battery" on Amazon and find some. Mophie also makes a Juice Pack for the S4, which will charge your battery with extra power when you're running low.