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Can I use other cell phone batteries in my Eris?

So are there any other batteries I could buy that are more powerful or will last longer than the one that comes with the eras? Because I have tried numerous things to save my battery but yet it still won’t last till the end of the day. And now I’m to the point where I would just buy a new battery, so are there any other batteries I could buy for the Eris that are more powerful?