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Old 05-27-2021, 06:35 AM   #21
flybouy
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Originally Posted by Old_Stevenick View Post
The only time weíll be using shore power is to run the fridge in our driveway a day before going camping. All boondocking for us.

I will look into replacing that converter anyway. However strange that it canít at least keep up with the 9watt hours that the refrigerator and detectors are drawing.
Are you sure that that's the only draw? Do you know what level of the charge the battery has after being connected to shore power?
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Old 05-27-2021, 06:40 AM   #22
Old_Stevenick
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Heading out now, to be continued. Iíll keep my eyes on it.
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Old 05-27-2021, 07:43 AM   #23
LHaven
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Originally Posted by Old_Stevenick View Post
I thought it would draw from the AC when plugged in.

So the Bullet's convertor is probably not lithium compatible.

Will it damage the battery as some articles say?
The fridge uses DC, which comes from the battery. If shore power is plugged in, the converter "instantly" keeps the battery up to charge, so in effect the AC is powering the fridge, but one step removed. Additionally, if you have no battery in the circuit at all (e.g., removed), the DC charging power from the converter is typically enough to run the fridge, lights, etc. all by itself without a battery (but not the slide, jacks, or big DC power hogs).

If the battery is sinking when you're on shore power, something weird is definitely going on. I'd take the time to determine whether your brand and model of converter is compatible with lithium batteries.
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