An Australian summer is brutal on electronics, and a parked car can hit 60 to 70 degrees inside. Dash cam heat is a genuine concern here, and it is the reason cheap cameras with built-in batteries swell, fail and cut out right when you need them. This guide explains how heat affects your camera, and why a supercapacitor instead of an inbuilt lithium battery is an important reliability feature for Aussie conditions.

We also break down what IP67 ratings actually mean for rear and all-weather cameras facing rain, dust and mud, how heat affects your memory card, and the simple steps that keep your footage reliable through summer. If you want a camera built to survive real Australian roads rather than one that dies in its first heatwave, read on, or browse the heat-tested range below and let the Guys point you the right way.