Cigarette Lighter Power Supply

Originally Posted by kulangflow

Regarding charging while in transit: One of my chargers specifically said that you shouldn't charge with the car on because the voltage gets too high for the charger.

Thoughts?

I'm quessing the current under those conditions is not the cleanest - spikes and other transients. I don't think an auto lead acid batt can tolerate voltage greater than 15v for long. Charger may have component(s) thats sensitive to transients and can be damaged.