Does Leaving Your Radio On Kill Your Car Battery. Leave it in acc mode long enough with the radio on and a banner on the top of the radio screen warns you. Left Car Lights On.

ACC can and cant drain your car battery. A relay is designed to complete a circuit allowing for the passage of electricity. If your alternator has a bad diode your battery can drain.
Ive been told by a few people that it kills the battery.
There are other environmental factors and settings that can make your battery go from 95 to 15 in a. A lead-acid battery typically loses about 5 of its charge per week just by sitting. If youre draining a car battery by powering a device just keep in mind that a car battery will likely have about 600-720 watt-hours 12v battery 50 or 60 amp hours volts amps watts. A relay is designed to complete a circuit allowing for the passage of electricity.
