How Long To Drive After Flat Battery. Heres what to do. A battery that needs a jump-start whether it needs to be replaced or not is nowhere near a full state of charge.

If your car wont start theres a good chance the batterys gone flat. 0036 amps will use up the 28 ampere hours in the battery in 28 0036 778 hours which is 32 days. You may be wondering how long it will take your car battery to charge while you drive around.
The speed of charging a car battery depends on the RPM on which it is running.
If the engine struggles to start before the battery is 5 years old it probably means. 1 The battery isnt getting enough charge. I instead went for a 10 minute drive home removed the battery and trickle-charged it on a charger for 14 hours help when I have a spare battery sitting at home that I could swap out for the flat. The speed of charging a car battery depends on the RPM on which it is running.

