Quote Originally Posted by Dr.Kamiya View Post
Wasn't thinking about a full dual 12V system like ones used for overlanding, just a small USB powerbank.

It'll be connected to ACC power so it won't be draining the main battery when the car is fully off.
The idea is just to have power to dashcams for extended recording when parked.
Yung mga Remax CX01 ko, still running good at 3 & 4 yrs old na din. Powered by a 10000mah or 5000mah p.bank (whatever I'm carrying at the time).
Resoln.'s not too good at night through 20 tint, but acceptable pa rin.

Just make sure you don't forget the power banks in a vehicle parked outdoors on a hot day. Shortening their service life's the least concern in the heat, theoretically, they can start a fire.