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
Samsung Galaxy S4 mini duos battery life tests are done, here are the results
Poor Galaxy S4 battery life and swelling up issues? Free replacements offered by Samsung
Amazon.com: AceSoft 6400mAh Samsung Galaxy S4 Mini Extended Battery + Battery Back Cover + TPU Case for U.S. Cellular Samsung Galaxy S4 Mini R890 : Cell Phones & Accessories
Amazon.com: Samsung Original Battery for Galaxy S4 Mini i9192 i9190 (Bulk Packaging) : Cell Phones & Accessories
Long Life 6300mAh Extended Battery Back Cover Case f Samsung Galaxy S4 mini R890 | eBay
How to add wireless charging to Samsung Galaxy S4 mini - iFixit Repair Guide