The Nintendo Switch’s battery isn’t replaceable
So it's more like your iPhone than you may think...
New paperwork filed with the Federal Communications Commission (FCC) revealed that the Nintendo Switch will not have a replaceable battery,
The battery inside the hybrid home-portable console will not be upgradable, unlike the Wii U Gamepad. Nintendo’s current console sports a battery that can be swapped out for a larger, more efficient one, boosting lifespan by 266%.
We’ll find out more of the Switch in mid-January.