Only drawback, the original shell but not be found suitable shells on ebay for about fifteen euros (avoid Chinese stew 3). Type Diztronic TPU Case for Samsung Galaxy S3 S III OEM 3000 mAh Extended Battery Kit on ebay search engine and you'll find it if you search a shell for your galaxy s3 adorned its 3000mAh battery and a more tailored for autonomy portable use !!!