Designed with efficient and quick charging capability in mind, the Anker PowerCore III Elite power bank boasts a whopping 25,600 mAh capacity. This means you can charge a MacBook Air once, an iPhone 11 Pro Max 4 times, or an iPad Mini 5 3 times. Two USB-C ports and two USB-A ports let you quickly refuel 4 devices at the same time with a 87W total output.