Power in a Snap: This portable power bank charges your phone automatically without requiring you to press the power button. It simply attaches to the back of your phone, whether it is cased or not. Charging wirelessly 5W compatible with AirPods 3 and Pro; 7.5W for iPhone 12/13/14/15 series; and up to 15W for Samsung, LG, and Google Android series No more than three devices At the same time: Three devices can be charged simultaneously with the wireless battery bank, which supports up to 15W wireless charging, a maximum of 22.5W USB-A PD output, and a maximum of 20W USB-C output. Big Capacity Tiny Figure: The iPhone 15/14/13/12 Pro can be charged twice with a 10000mAh large capacity design, and the iPhone 15/14/13/12 Pro Max can be charged roughly 1.5 times. The iPhone 15 Pro Max weighs 7.81 ounces, while the mini power bank weighs 7.9 ounces.