The battery will charge faster if you rev the engine faster. Why? Because the faster the crankshaft turns, the faster it turns the belt that runs the alternator. And the faster the alternator turns, the more electricity it produces to run all the electrical stuff in the car — and recharge the battery.
Should I rev engine to charge battery?
Does Revving the Engine Charge Your Battery Faster? The short answer is yes. … Revving the engine will charge the battery faster because the alternator increases this amperage. When you rev the engine, the alternator begins to run faster, which helps charge the battery.
Does revving the engine help jump start a car?
Originally Answered: Does revving an engine help jump a car? No, the only thing that will help the car with the dead battery is a constant engine speed from the car that is giving the jump. It will only help, if it has a higher amperage Alternator.
Will a car battery charge while idling?
Does the Battery Charge if You Let the Car Idle? The simple answer to this question is yes, your car’s battery will start to charge as long as your engine is running.
How can I make my car battery charge faster?
Set the Rate of Charge
- Choose a charge rate before connecting your battery charger to the battery. Simple chargers don’t allow different rates of charge, but many models do. …
- Set the charger to a faster setting only if you’ll be on hand to unhook the charger and try to start the vehicle fairly soon.
Does revving the engine hurt the car?
When you rev your engine, you place additional and unnecessary stress on your car and its engine. This is imperative when it’s cold outside—revving your engine before it has had time to warm up is especially damaging, as the engine’s oil hasn’t had sufficient time to circulate and properly lubricate your car.