On 3/21/21 12:58 PM, (-Phil-) via EV wrote:
I don't advise use of an EV battery pack for moving energy around on a daily basis, you will not only void your warranty, but you will suffer early degradation, on top of not having the use of your car while it's being used to power shift.
It was mostly a "flight of fancy". I recognize the battery cost problem. OTOH, batteries are getting longer lives.
For occasional back up in an emergency, it's fine, and nobody is going to try to void your warranty. Though if you attempt it on a Tesla, know EXACTLY what you are doing and don't post it all over social media then brick your car. (Owner got his warranty voided AND had to pay Tesla to fix his car) On newer Teslas you WILL have problems if you attach loads directly to the 12v battery!
On my Model 3, I discovered that. As you likely know, there is an upstream tap point (under rear seat), that can supply more abundant 12v power. I did my experimenting before "dog" and "camp" modes so I don't know how that impacts things. Others have complained of excessive vampire loads when trying to use 12v power externally.
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