Best portable power stations: Power iPhones, MacBooks, projectors and speakers anywhere

Macworld
Portable power banks come in all shapes and sizes: super-slim pocketable magnetic slabs that clamp onto the back of your iPhone, or airline-friendly power pillars that hold enough juice to take your conked-out MacBook Pro back to 100% and maybe charge that iPhone up at the same time. Some come with built-in cables, others with smart displays and handles.When that’s not enough power, you can buy much larger power stations that hold huge battery capacities. Some require a telescopic