Alpatronix BX170plus is a battery case for iPhone 7 plus & iPhone 8 plus that offers a range of features to enhance your mobile experience. With a 4000mAh battery capacity, it can fully charge your iPhone within 2 hours, providing you with extended battery life on the go. The case also features a protective IC circuit that efficiently avoids short-circuiting, overcharging, and malfunctions even under extreme conditions. Additionally, the changeable frames of different colors allow you to dress up your iPhone on every single day.