[robotjosh]

Some laptops have a built in battery along with a swappable battery. The battery life people could get one of these and get enough spare batteries to smoke the mac several times over.

[adl]

Yes, several thinkpads do that. I have a T440s with an extra battery and swapping the battery without turning it off is great.

Linux will even tell you the charge for each battery (Ubuntu Gnome 17.04)

[azamatms]

Except that you'd be required to reboot the OS every time you swap. Which is what a lot of developers would rather avoid.

Maybe they could have a tiny low power battery that could last 5-10 mins to reboot-less battery swaps

[soperj]

Re-read the post. Built in battery plus swap-able battery.