Q: How long do you have to go away a battery charger in an auto? A: When more recent, more technologically State-of-the-art auto battery chargers offer lots of designed-in security attributes designed to avert overcharging, it’s not a good idea to leave the charger on your car all the time. https://bestvehiclebatterychargerreview.blogspot.com/2024/10/premier-hand-tools-supplier-and.html