ups

If I was to put together a little UPS for a dash cam would anyone be interested ? I am working on a small UPS system that I can use with a USB Power bank, so when I shut my car off the dash cam will take power from the power bank. I KNOW I can hardwire it in, but I like to just make things to...

I've been driving with my DIY uninterruptible power supply for my Xiaomi YI for quite some time now. Even though the solution seemed so obvious and easy for me, I found it's a rather big problem for dashcam owners (people go crazy with 12V batteries, ridiculously expensive BlackVue power packs...

Does anyone here know the answer to this question: Do I need to mess with Super Capacitors if my (battery-based) dash cam (e.g., Koonlung K1S) will be connected to a UPS-like battery system such as a Cellink...