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    3. is there a batter for tankless water heaters that will last for 7 days without charging?
    is there a batter for tankless water heaters that will last for 7 days without charging?

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    +1  Views: 1127 Answers: 2 Posted: 9 years ago
    Tags: hugo
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      2 Answers

      A car battery might do it if the heaters are to higher imput,

      9 years ago. Rating: 2
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        Highly unlikely, you would probably need a battery as big as a tank water heater.

        9 years ago. Rating: 1
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