u/Icy_Yam_9951

Tesla Gateway 2 and an EV charger - fix battery discharge issue

I have a Zappi EV charger and a Tesla Powerwall 3 with Gateway 2. When I plug in my car, the Tesla sees the load and discharges the Powerwall battery to charge the car.

I know with some other battery systems it's a matter of moving a CT clamp, so that the battery management system doesn't see the EV load. But how can this be fixed with the Gateway 2? I don't see a CT clamp used by Tesla. I guess it monitors the power load through something installed in the Gateway.

I'm looking for instructions on how the EV charger has to be rewired. I'll probably post a job on Checkatrade.

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u/Icy_Yam_9951 — 2 hours ago

A friend is buying a new build house. It looks like for budget homes in 2026 the developers do either gas boiler plus solar panels or ASHP no solar...

The house his looking to buy is 82 square meters, 2 bedrooms, 2 floors. Expected EPC is B. They are planning to install a 10kW heat pump. Sounds to me very oversized. What do you think.

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u/Icy_Yam_9951 — 14 days ago