[aprssig] Emergency power from your EV/Hybrid

[Gregg Wonderly]

I have used power pole connections and fuses to bring 12v into my car for a mobile FTM-400 radio and other accessories.  For Field day, I detach at the 12v end, from the run to the cockpit and attach my HF radio and an inverter for some AC accessories for the and it works fine.

Gregg Wonderly
W5GGW

Sent from my iPhone

> On Sep 1, 2021, at 4:43 PM, Robert Bruninga <bruninga at usna.edu> wrote:
> 
> 
> My http://aprs.org/FrankenVolt.html page tells how to connect
> any 12v inverter to the EV/Hybrid 12v battery and get emergency
> power for days or a week.
> 
> I just added a link to comments on using a Tesla in this way,
> which points out that the Tesla will detect the demand on
> the car's DC/DC converter and will shut down.  In fact it
> does this according to the car's "terms-and-conditions" to prevent
> the use of powering your house since they want you to buy a Tesla
> power wall instead!
> 
> The comments says this shut down occurs at 1 kW but does 
> not say how much lower is the actual threshold.
> 
> Bob
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