Why Early Morning Charging Maximizes Efficiency

[Cybergirl]

Okay, then it wouldn't have been because of pack heating, or pack cooling.

The challenge you're going to face trying to sort this kind of extreme-low-power charging solution is that you're providing so little power that you're literally down in the noise, with all the parasitic elements. Tesla explicitly recommends against even a conventional 120v Level One solution for the Cybertruck, much less something providing a small fraction of that.

I think I'd be happy if solar was enough to just power my ancillary camp gear, like a refrigerator.

From the Cybertruck Owners Manual:
NOTE: Tesla does not recommend using low-power charging equipment (such as a 120V NEMA 5-15 outlet and the Universal Mobile Connector) to charge Cybertruck, especially in low ambient temperatures. Due to the size of the high voltage Battery, charging with equipment that produces less than 2 kW of power will charge Cybertruck very slowly. If you are charging Cybertruck with such a method, turn off climate to reduce idle power consumption while charging.

Yes, and that's my primary aim for installing the solar power generator. However, if solar power is available beyond accessory needs, there's no advantage in wasting it, especially when overlanding. If putting a kilowatt hour of juice into CT's battery can be accomplish relatively efficiently by utilizing a couple of hours in the morning, I'll do it. It may be slow, but there's nothing harmful about charging at a 1kW rate.

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