Just wanted to clarify this. The heating will be the same, the big difference being that supercaps can tolerate higher levels of heat without failure that LiPo batteries can. And batteries are the usual point of failure with heat and dashcams, but they are not the only one. Cases can distort, focus can shift around, electronics can act erratically too but those are rarer to see.
Phil
Yes, the same amount of heat will be received from the midday sun and about the same amount of heat will be generated internally.
However supercaps also suffer from heat, and their specifications often have a lower maximum temperature than lipo batteries, the difference is only that the supercapacitors start off with a longer lifespan and if you half it by overheating them you will still have a long lifespan remaining. They will still die of overheating, just not so soon as a lipo. At some point we will start seeing lots of dashcam supercapacitor failure stories being posted!
I have had my 0806 in use for over a year now, still gives a good image, still on the original battery, never produced any smoke!
It is true that the dual card switching doesn't work as some people would like, but it does work as I want it to work with the second card as an automatic
backup card, it has never been an issue for me.
It is also true that the Frontal Warning Collision System is useless, but that is true of all dashcams!
Hopefully these don't overheat or catch on fire. That would be a big improvement. I own two of these Mini 0806 units (purchased in May 2015) and I have quit using them in my car. There are far too many stories concerning, at best, melting enclosures and at worst, smoking and occasional fires. I'm a happy convert to dash cams that only use internal capacitors instead of batteries and feel much safer for it.
I don't think I have ever seen a report of flames coming from an 0806? Any links?
If you want a high resolution dashcam with 2560 pixel width then the mini 0806 still gives one of the best images available, especially in darker conditions where WDR is needed.