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Radio Battery Life for Car: Duration with Loud Music & Without Starting Vehicle

Tepiciel55 37681 11
Best answers LABEL_AI_GENERATED

How long can I run the car radio from the battery without starting the car, especially with loud music?

A 55 Ah battery would run a radio drawing 2.5 A for about 22 hours, but in practice you should expect closer to 20 hours before starting problems can appear, especially if the battery is old or it is winter/cold diesel [#6308233] [#6308299] [#6308539] [#6308542] [#6308569] [#6308586] To estimate it for your own radio, check the current draw written on the radio and divide the battery capacity by that value [#6308233]
AI summary based on the discussion. May contain errors.
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  • #1 6308192
    Tepiciel55
    Level 2  
    Posts: 2
    I don't know if it's a good department

    But I have a question, how long will the radio last on the battery without starting the car?

    Thanks in advance

    Added after 3 [minutes]:

    I will add that with loud music
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  • #2 6308233
    bartek7693
    Level 12  
    Posts: 35
    Help: 3
    Rate: 3
    see how much electricity the radio consumes (it will write there on the back of the radio housing) and divide ro by the battery capacity mp 55Ah battery the radio takes 2.5A This is 55 / 2.5 = 22 hours
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  • #3 6308295
    Anonymous
    Anonymous  
  • #4 6308299
    bartek7693
    Level 12  
    Posts: 35
    Help: 3
    Rate: 3
    hmm, maybe you can stand :D but around 20 hours comes only then there may be problems with firing
  • #5 6308420
    Anonymous
    Anonymous  
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  • #6 6308536
    Anonymous
    Anonymous  
  • #7 6308539
    bartek7693
    Level 12  
    Posts: 35
    Help: 3
    Rate: 3
    Well, that's why he writes when his tension drops to 10, then the bendix will not start :D
  • #8 6308542
    artur1902
    Level 12  
    Posts: 46
    Rate: 11
    55Ah is 1A for 55 hours or one hour and 55A as long as the battery is 100% functional
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  • #9 6308547
    bartek7693
    Level 12  
    Posts: 35
    Help: 3
    Rate: 3
    Well, theoretically, I said, you always have to take into account that the akku is old
  • #10 6308569
    Anonymous
    Anonymous  
  • #11 6308586
    bartek7693
    Level 12  
    Posts: 35
    Help: 3
    Rate: 3
    that is, in winter, it is best to fire because then there are brick problems
  • #12 6308629
    Tepiciel55
    Level 2  
    Posts: 2
    Thank you so much for help

    Added after 1 [minutes]:

    I close the topic
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Topic summary

LABEL_AI_GENERATED
The discussion revolves around the duration a car radio can operate on a battery without starting the vehicle, particularly when playing loud music. Users estimate that a typical 55Ah battery can power a radio consuming 2.5A for approximately 22 hours, although some caution that this may lead to difficulties in starting the vehicle afterward. Factors such as battery age and condition are also highlighted, with suggestions that in colder conditions, starting the vehicle may be necessary to avoid issues. The conversation emphasizes the importance of understanding both the radio's power consumption and the battery's capacity.
AI summary based on the discussion. May contain errors.
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