i'd suggest getting an inline volt/amp tester, something like this,
https://www.amazon.com/DROK-Voltmeter-Mu...B018X8SX4A
drok also makes one inline to usb also. anyway, you want a continuous [and CLEAN] 2.5amp [@ least] from the power.
i'd guess the car chargers can not do that, but get something inline and watch what current is at time of reboots. crazy things like
alternators turning on/off can distort and/or dampen the power that goes to accessory lines. which, if you can get power direct from battery
would be the best option but you need to add the filters/ground loops/etc like in a stereo system to get the best power to the pine64.
edit: btw, i'm not suggesting to hook pine64 directly to battery, you would need to add regulator to drop to 5v.
https://www.amazon.com/DROK-Voltmeter-Mu...B018X8SX4A
drok also makes one inline to usb also. anyway, you want a continuous [and CLEAN] 2.5amp [@ least] from the power.
i'd guess the car chargers can not do that, but get something inline and watch what current is at time of reboots. crazy things like
alternators turning on/off can distort and/or dampen the power that goes to accessory lines. which, if you can get power direct from battery
would be the best option but you need to add the filters/ground loops/etc like in a stereo system to get the best power to the pine64.
edit: btw, i'm not suggesting to hook pine64 directly to battery, you would need to add regulator to drop to 5v.