Try checking the connection. Wires may be loose. Or maybe a bad ground from motor to chasis.
About 2 days
When it is charging the screen reads: Battery Charging. When it is fully charged it reads: Battery Charged.
A fully charged good battery is designed to last 21 days in the newer vehicles How old is your battery?Check parasytic load on vehicle should be .07 amps
Laptops that's battery is fully charged does not weigh any more or less than one that's battery is not fully charged. If there is a difference, it would be so small you would not be able to tell.
A fully charged 12 volt automotive battery should have 12.68 volts.
where the battery bar is..it will be fully green
12v
A fully charged 12 volt battery will read about 12.6 volts, or 2.1 volts per cell.
It varies by manufacturer and battery.
Phone off: Your phone will show a full battery and say "Fully Charged" Phone on: on the right top corner your battery will show a full battery and blink
No, after the battery in your laptop is fully charged the power is cut off to it.
No, but it is good practise to fully discharge and then fully charge up your iPad on a regular basis to maximize battery life.