My 22 MINI Cooper S Sidewalk Edition convertible wouldn't start this morning. Said it had had high battery draw during the night, but I have no idea what. Fortunately, I have a NOCO GB40 Genius Boost Plus under the trunk, which worked perfectly for starting the car. Now to see if I can figure out what was draining the battery. Note: The dealer wanted to replace the battery last year for $800, but until today there has been no evidence of the battery being in any need of replacement.

I'm charging the battery now with a 6 Amp charger.

My current suspicion is that my recently remounted Acumen dash cam is set to run all the time, and draining the battery.

 

Update: A new battery fixed the starting problem, and unplugging the dash cam fixed the power drain when off problem.
The new battery is an Interstate AGM H7 Either MTX-94R/H7 (3 yr warr, 2x power) or MTZ-94R/H7 (4 yr warr, 3x power)
Repair shop didn't specify which, but did good, fast and affordable installation of it, so I'll definitely go there for service again:
https://britishworxoc-miniservice.com