How Long To Charge 12v Car Battery. Depending on the age of your battery the capacity and construction of the charger and the charging technique used it may take a few hours to reach a complete charge. A linear battery charger can take up to twelve hours to fully recharge a 12-volt lead-acid battery.
The first time you charge a new battery it will take significantly longer than subsequent charges. For 6v batteries the first charge should be 10 hours with regular charging taking 6 hours. Most drivers top up charge rather than waiting for their battery to recharge from empty-to-full.
When recharging your battery remember that if it gets too hot while youre charging it.
It could take hours. In a crowdie road your car will run slowly and if the engine is in idle stage your car. For 12v batteries the first charge should be 18 hours with regular charging at 12 hours. How long does it take to charge a 12-volt battery at 10 amps.
