How many watts does a car stereo use?

I’m thinking about upgrading my battery. I use my stereo a lot, so I want to make sure I get a battery with the proper voltage. How many watts does a car stereo use?

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Will Baldwin · Answered on Jan 13, 2022
Reviewed by Shannon Martin, Licensed Insurance Agent.
It’s smart of you to consider your stereo or other electronics in the car when looking at a replacement battery.
On average, a car stereo uses about 12 watts a day. Of course, this will fluctuate depending on the amount you use the stereo, but it’s a good number to keep in mind!
The average car battery is generally between 500 and 1000 amps. So, if you want to upgrade your stereo, it may be worth looking into a battery with higher amps to ensure everything works properly.
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