Amazon.com: Galaxy S4 Mini Battery [Upgraded] LCLEBM 2200mAh S4 Mini Battery Replacement for Samsung Galaxy S4 Mini LTE GT-i9190 GT-i9195, Not for Standard Galaxy S4 : Cell Phones & Accessories
Long Life AceSoft 5170mAh Extended Slim Battery for Samsung Galaxy S4 Mini Phone | eBay
Samsung's Galaxy S4 beats Apple's iPhone 5S for battery power | Daily Mail Online