How Long Does It Take To Fully Charge Car Battery. This depends on the size of the battery and the speed of the charging point. Answer 1 of 7.
The time it takes is up to the size of your battery and how many amperes your battery is charging with. Trickle chargers can take upwards of two days to fully charge a battery. From dead fully discharged it would take a small car battery about 25 hours a larger car or small SUV battery 32 hours or a larger SUV and Truck about 48 hours to fully charge on a 2-amp charge.
Charging a battery with a car battery charger enough that it can start the car engine will take around 2 to 4 hours.
Since the battery sometimes gets hot during recharging so you need to stop charging it for some time until it gets to a normal temperature to start charging again. As long as the mechanical action of the alternator is taking place. Charging a battery with a car battery charger enough that it can start the car engine will take around 2 to 4 hours. A car battery usually holds 48 amps so if you take that it charges at approximately 1 amp per hour you can work out how long it will take to charge your battery with various amperage chargers.
