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Converting Ah to Watts for 12V 38W 14 TV on a 12V 44Ah Battery: Calculate Runtime

filip022 66469 5
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  • #1 10996958
    filip022
    Level 9  
    Hello
    I have a question as in the subject, i.e. for how long will you work TV 14 "12V 38W on a 12V 44Ah battery?
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  • #2 10996988
    whyki
    Level 21  
    The current consumption of this TV will be I = P / U -> 3.17A. 44Ah means that the product of time and current consumption is 44, so if you load 3.17A, the time will be 44 / 3.17 = 13.9h.
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  • #3 10997014
    filip022
    Level 9  
    It's beautiful, I have a solar panel in my work and I was wondering how much time the TV would work after dark and I am positively surprised.
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  • #4 10997108
    jdubowski
    Tube devices specialist  
    filip022 wrote:
    It's beautiful, I have a solar panel in my work and I was wondering how much time the TV would work after dark and I am positively surprised.


    Now count the time the panel is able to replenish the battery charge ...
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  • #5 10998529
    filip022
    Level 9  
    Such a small battery charges me for about 10 hours. in "mixed" weather.
  • #6 21466258
    springertorun
    Level 4  
    How about a 220 volt 80 watt TV, 12 volt 100 Ah acid battery, how much will it play. Of course the inverter will still come, but I haven't grasped that yet, so not including the inverter. Please give me the calculations and formula so I can calculate other equipment for myself. Thanks

    Moderated By Felini:

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