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Hacker News

Second paragraph: "It ties into the typical offfgrid system of a solar charge controller, battery bank, and photovoltaic panels to maintain a safe temperature range."

So it doesn't have a battery bank, but you're expected to plug it into one.

But then it explains the real difference. Still worth a read, don't give up at that second paragraph!

by two_handfuls

> The only battery power fridge0 needs is enough to turn it off cleanly when the solar panels stop producing -- a few minutes of power instead of days -- and a small amount for its computer control.

What does 'turn it off cleanly' mean here? I always thought fridges just turned on or off continuously depending on the temperature and thermostat setting. It's just a motor and a compressor, it doesn't need a special shutdown procedure, does it?

by perilunar

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  • Hacker News
  • Second paragraph: "It ties into the typical offfgrid system of a solar charge controller, battery bank, and photovoltaic panels to maintain a safe temperature range."

    So it doesn't have a battery bank, but you're expected to plug it into one.

    But then it explains the real difference. Still worth a read, don't give up at that second paragraph!

  • > The only battery power fridge0 needs is enough to turn it off cleanly when the solar panels stop producing -- a few minutes of power instead of days -- and a small amount for its computer control.

    What does 'turn it off cleanly' mean here? I always thought fridges just turned on or off continuously depending on the temperature and thermostat setting. It's just a motor and a compressor, it doesn't need a special shutdown procedure, does it?