Where can you find this extra capacity battery for the 530?

[glovenc]

Can anyone direct me to where you can purchase this alleged extra capacity battery for the 530?

 

[banger696]

2500mAh Gold Battery BL-5J For Nokia Lumia 520 N520 | eBay

 

[xandros9]

I believe the Lumia 530 and 520 use the same battery, so you could probably do fine also looking for extended 520 batteries.
Zero Lemon has some insanely big ones, but while they will fit, you wont have a back cover to go with it.