Does Revving Your Engine Charge Battery Faster. Increasing the engine speed on the donor vehicle makes sure enough amperage current flows to the weak battery. Without causing undue stress you should know what the possible risks are.
And the faster the alternator. The battery will charge faster if you rev the engine faster. When starting the engine it sounds like you have your foot pressed to the floor on the gas pedal as soon as you start it without even having your foot on the gas.
Your cars alternator is designed to provide a specific voltage to the car battery 136 to 146 volts.
Your cars alternator is designed to provide a specific voltage to the car battery 136 to 146 volts. Revving the engine wont help. The voltage output of an alternator is fairly constant at about 144 to 146 volts. And the faster the alternator.
