How quickly will a car radio drain the battery?

Can a car radio drain your battery?

Many devices can cause a “parasitic draw” on your car’s battery. Your stereo is one of the most common devices that can do this. Your stereo can slowly drain the battery. Unfortunately, you may not realize how much it drains your battery.

How long does it take a stereo to drain the battery?

And a standard ‘4x50W’ car stereo generally has a 10Amp fuse but will drain somewhere like 5 Amps in general use. So you’re looking at a realtively ‘safe’ couple of hours use, maybe 5 if you’re pushing it, but by 10hours you’d expect the battery to be drained beyond the ability to start the car.

How can I run my radio without draining my battery?

If you do have an older car and you’re worried about the battery, try turning your radio off before you use the ignition. This will reserve more power for your car to use to start running again. Newer cars should be able to play radio easily for at least 10-15 hours without draining your battery.

How do I stop my radio from draining my battery?

01. Replace Stereo

  1. Turn the stereo off completely.
  2. Disconnect the radio from speakers/woofers.
  3. Detach from the power source and other equipment.
  4. Take the radio out of the dashboard port.
  5. Grab the new stereo and connect it to the speakers/power wires.
  6. Then insert it into the dashboard port.
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How long can a car sit before the battery dies?

Typically, your car can sit about four weeks to two months without driving before the battery dies. The reason your car can sit only for so long before it dies is the fact that your car battery is in use even when you’re not behind the wheel.

Why does my car battery died after sitting for a few days?

A car battery that dies after sitting for a few days will either need replacing due to age or be suffering from a parasitic drain. A badly wired radio, a faulty relay, or a phone charger left plugged in could all be drawing power from the battery while the car is sitting.

How long before car battery dies with fan on?

If your battery has 50 amp-hours(AH) of reserve, and the fans draw 10 amps, then your battery would last 5 hours with the fans on… 50AH divided by 10 amps equals 5 hours. Just find those two number and divide the batteries amp-hours by the amps that the fans draw.

Does Bluetooth drain car battery?

The Bluetooth and satellite radio modules can cause excessive current draw too. A battery itself could be the culprit, if it has an internal fault or external leak.