Dash Cams Without a Battery: Supercapacitor Models Explained

Yes, while connected to external vehicle power. A supercapacitor can handle orderly shutdown but does not normally power extended recording by itself.

It can be preferable for temperature tolerance and long-term in-car use. The trade-off is very limited reserve runtime after power is removed.

Only with a suitable always-on supply and a supported parking mode. A compatible hardwire or OBD power accessory is commonly required.

It should retain settings in non-volatile storage, while the capacitor closes the active file. Behaviour varies, so consult the exact manual.