But people don’t want that. They want small, sleek devices that don’t weigh much. Imagine what smartphones would look like if they still had to be powered by AAA batteries.
From what I can tell the battery in question wasn’t the one powering the exoskeleton itself, but the battery inside watch controlling the device.
How do you stuff a 18650 into a smart watch controlling the device? Because that’s what the article implicates is the problem. For the exoskeleton itself there are no excuses.