How Long Before Car Battery Dies With Radio On. The terminals may be loose. 2 Do wipers drain your battery.
September 16 2021 September 17 2021. Most modern cars let you run the radio for an hour with the engine off thats what Id stick to for safety and conveniences sake. How Long Can You Play Radio on a Car Battery.
A car batterys main purpose is to change chemical energy into electrical energy when you start the car ignition.
In a situation outlined in the OP battery life is inversely proportional to your need for the car to start. Instead the aftermarket produces the type of stereo that produces much louder noise. If you take exceptional care of your battery and do not waste the life of the battery too much then you may be able to expect longer than 5 years. Idling the engine just to listen to the radio would be a bit much.
