Macworld At a glance Expert's Rating Pros ・Two integrated charging cables ・Equal performance on all USB-C ports ・Rubberized ...

A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart battery that can communicate and report on its own ...

but these pocketable battery packs are usually not powerful enough to keep an unplugged and energy-hungry MacBook going all day. We’ve rounded up the best portable laptop power banks with ...