After multiple teams tested the devices for a few hours while working on tasks, they reported lightning-fast performance but nearly all flagged an apparent problem. The MacBook Pro’s battery indicator, featured on the upper right hand corner of the computers, was broken. It had barely moved despite running power-hungry programs, the company told CNN Business.The gag, of course, is that the battery indicator was working just fine. The M1 chip was so efficient, according to Apple, that it showed no