The perfectly aligned magnets keep it attached to your iPhone 12 and iPhone 12 Pro, iPhone 13 and iPhone 13 Pro, or iPhone 14 and 14 Pro - providing safe and reliable wireless charging. And it automatically charges, so there's no need to turn it on or off. There's no interference with your credit cards or key fobs either. And when you're in need of a wireless charger, just plug in a Lightning cable for up to 15W of wireless charging. This battery only works with these iPhones below.Up to 70% additional charge with iPhone 12 mini or iPhone 13 mini and MagSafe Battery Pack. Up to 60% additional charge with iPhone 12, iPhone 12 Pro, iPhone 13, iPhone 13 Pro, iPhone 14 or iPhone 14 Pro MagSafe Battery Pack. Up to 40% additional charge with iPhone 12 Pro Max, iPhone 13 Pro Max, iPhone 14 Plus or iPhone 14 Pro Max and MagSafe Battery Pack. What's in the Box. We do not post batteries and power banks abroad as they are classed as "dangerous goods" and will be disposed of by the courier. If you have any questions we are here to help.