Powerful 3500mAh battery provides an extra 100% battery life to the iPhone 13 Ultra Slim and Convenient enough to fit your pocket or in your hand. The smart charger case is not only a portable charger, but also a protective case for cellphone from scratches and daily wear and tear. Raised bezels help you protect the screen to some extent. And its advanced chips protect your smart phone from overheating, short-circuit and overcharging. Protective Design battery case for iPhone iPhone 13 was charging and protecting double function, well-made hard case with 360 degree protective bumper design, protect your iPhone from scratches or other daily wear and tear.