date and time

My 70mai pro developed this weird error. The date and time is correct in settings but it displays completely different time on the video itself? Anyone else experienced this?

Since this is my 1st supercapacitor dash cam, previously all my dash cam is litium ion battery, all of it failed due to the hot weather of my location. How linf will the electrical cas in capacitor will make sure the date n time setting of the B1W dash cam is maintain after a long period of not...