Got it. Not yet ready for prime time! Barry
On Fri, Jun 28, 2024 at 1:08 PM (-Phil-) <p...@ingineerix.com> wrote: > I don't yet have any instructions, and it's very complex. You have to > build hardware to generate and sense the 1khz 5% PWM pilot signal then have > a relay to switch the communications over to single-wire CAN, and then > negotiate with the car's BMS over CAN. Once you have that working you have > to voltage-match the battery voltage on the port within a few volts before > it will honor your request to close the DC fast charge contactors. On top > of that, once you get all that working, you are left with pretty much a > direct DC connection to the pack which can easily sink thousands of amps if > something goes wrong, so you have to really know what you are doing. > > Unfortunately, I'm not prepared to write up a how-to for this reason. > Someone will either get killed, or damage their car, or both. Then > there's still the problem of the warranty! > > On Fri, Jun 28, 2024 at 10:02 AM Barry Oppenheim via EV <ev@lists.evdl.org> > wrote: > >> Do you mind sharing the instructions or a link to the instructions? >> >> Thanks, >> Barry Oppenheim >> >> On Fri, Jun 28, 2024 at 12:56 PM (-Phil-) via EV <ev@lists.evdl.org> >> wrote: >> >> > I recently figured out a safe way to export power from any Tesla's >> charge >> > port. I got HV DC power export working from the port at around 6kW, >> which >> > could then be fed into an inverter for AC power. >> > >> > However, Tesla still instantly voids your warranty if you do this. I >> have >> > a salvage Tesla, so it doesn't matter to me, but it really dashes any >> hope >> > of offering a product. >> > >> > Tesla has always had this clause to void your warranty if "Using the >> > vehicle as a stationary power source". (See: >> > >> > >> https://digitalassets.tesla.com/tesla-contents/image/upload/tesla-new-vehicle-limited-warranty-en-us.pdf >> > ) >> > >> > I decided to see if they modified the warranty for the Cybertruck, >> since it >> > has the AC power export feature built-in, and here's what they changed >> that >> > clause to: (only for Cybertruck) "Using the vehicle as a permanent, >> > stationary or long-term power source or backup". So Technically any >> > "stationary" use still voids it! They also don't bother to define what >> > "long-term" is. (See: >> > >> > >> https://digitalassets.tesla.com/tesla-contents/image/upload/tesla-cybertruck-new-vehicle-limited-warranty-en-us.pdf >> > ) >> > >> > I'm not a lawyer, but I don't think they can void your warranty unless >> they >> > can prove your actions did the damage you are claiming under warranty >> > coverage. (Per the Magnuson Moss Warranty Act, see: >> > >> > >> https://www.ftc.gov/legal-library/browse/statutes/magnuson-moss-warranty-federal-trade-commission-improvements-act >> > ) >> > Though that probably means they tell you to kick rocks and you have to >> > hire an attorney to fight them. I'd be interested in opinions from any >> > Attorneys on the list? >> > -------------- next part -------------- >> > An HTML attachment was scrubbed... >> > URL: < >> > >> http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20240628/e3cf1c06/attachment.htm >> > > >> > _______________________________________________ >> > Address messages to ev@lists.evdl.org >> > No other addresses in TO and CC fields >> > HELP: http://www.evdl.org/help/ >> > >> > >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: < >> http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20240628/e376d9be/attachment.htm >> > >> _______________________________________________ >> Address messages to ev@lists.evdl.org >> No other addresses in TO and CC fields >> HELP: http://www.evdl.org/help/ >> >> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20240628/f9b0a2ab/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
