There is an internal battery on the motherboard that mantains the date and time. But this battery can fail and on this camera, that failure isn't uncommon. People have posted ways to replace the battery, but they involve a pretty complete teardow...
Whatever is maintaining the date/time is not user-serviceable on an M6-MarkII. It's a "take it to service" repair, and, of course, you can no longer do that. For mine, I opted to have Canon replace mine with a refurbished one, and it's already se...
Really, this is not correct. In the Canon EOS M6-II manual, on page 556, there is an explanation of how to charge the LP-E17 battery in-camera. On that page, they try to get you to buy a special canon charger, but from many of the forums on DP R...
That works, by the way. and it's a decent workaround -- the problem is that the batteries are not particularly large, and it's easy to wind up needing a battery change during a shoot. You /could/ use one of those power bricks, I suppose. None o...
Looking through this forum, and considering my own experience, I am starting to conclude that this is an M6 Mark II design flaw. I've only seen this on older cameras and devices that had a user-serviceable battery you could change. I also believe ...