Why Does a Car Battery Drain Overnight? Causes & Checks

car battery draining overnight

Last reviewed and prices checked: 5 November 2026. This is general information, not a diagnosis. Have a qualified auto-electrician test your car before you replace parts. Introduction The car started fine yesterday. This morning there is only a weak click, or nothing at all. You jump-start it, drive to work, and the next morning it … Read more