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not sure if cars have separate rtc battery for clock and date. power magic pro cuts off power if it goes below 12v. but I got time and date problem every time I start vehicle. bmw x6 are famous with battery issues, can I install backup battery or something and connect blackvue there
I was referring to the camera RTC battery, if that has failed it will keep losing the time and date settings when the camera loses power, you don't want to power the camera constantly as you'll end up killing it