This product, The Burgundy iPhone power pack is a very useful product for everyone who uses an iPhone4 or 4s. The design is sleek and looks stylish and you can always flaunt the Burgundy brand logo which is embedded at the back. I use it as a back-panel cum charger always. As I continuously am on the go, for me this product proves to be a blessing. Its been 15 days since I am using this product and I have charged it just 4 times and. if you are always on the move and you need to juice up your phone, then guys this is a perfect product. you can use your iPhone to ur heart's content and still you need not worry about the battery drain. I suggest a "buy" for it.