How Long Should You Drive To Charge Car Battery. How often should you charge a car battery when not in use. This means from completely dead to fully charged requires a product of current in Am.
There is more to worry about than just the battery though. As other answers have suggested you cant put an exact figure on this because of the amount of variables involved. You can charge modern AGM batteries at a higher rate than traditional wet-filled batteries.
If the car is being driven on a motorway with high RPM then it will only take 30 minutes to get the battery completely charged.
The most common rate for car battery chargers is around 4 amps. With a fully functioning alternator and a healthy battery it should not take long for the battery to charge while you are driving. The most common rate for car battery chargers is around 4 amps. Risk To Battery Charging By Driving.
