pkopalek
Android Expert
The Eris and Hero are different phones.
You can put in a Hero (or the Seido's Hero battery 1750), but the sides of your battery cover will not snap. If you have a case around your Eris, this MIGHT NOT MATTER!
It's well worth a try. If you have a friend with a Hero, try putting it in your phone and putting your case back on. If the stock battery cover's sides not snapping is NOT an issue, just get the Hero extended battery. 1750 is worth it!
I wonder, if the 3500 battery will fit with NO battery cover, with my Eris case on it. That would be a trip!
You can put in a Hero (or the Seido's Hero battery 1750), but the sides of your battery cover will not snap. If you have a case around your Eris, this MIGHT NOT MATTER!
It's well worth a try. If you have a friend with a Hero, try putting it in your phone and putting your case back on. If the stock battery cover's sides not snapping is NOT an issue, just get the Hero extended battery. 1750 is worth it!
I wonder, if the 3500 battery will fit with NO battery cover, with my Eris case on it. That would be a trip!

Now which one to get?...... 