Revving Your Engine: Does It Charge the Battery Faster While Idling? Myths vs. Facts
Revving an engine can charge a battery faster, especially if it is low. Increasing RPMs to 3000-3500 boosts the charging rate. Honda’s official recommendation suggests that driving the vehicle is the best way to recharge the battery. Idling is less effective for battery efficiency than driving. In fact, an engine rev at idle can strain … Read more