minus-squarePhilosopherPretty922@alien.topcakeBtoMechanic Advice@gearhead.town•Is a car battery dropping from 12.48v to 12.00v overnight a sign of a bad battery?linkfedilinkEnglisharrow-up1·1 year agoYou can try unhooking the battery over night and see if it drops on its own, if it doesnt you might have something on the car draining it (mabye a interior light on). Can also take the battery out and alot od places will test it for you for free linkfedilink
You can try unhooking the battery over night and see if it drops on its own, if it doesnt you might have something on the car draining it (mabye a interior light on). Can also take the battery out and alot od places will test it for you for free