How we charged at The Palms Avoca

Melbourne ↔ Sydney via Gundagai 2023

A charging story, for those who might be interested.

It took a while to find a way to charge at The Palms at Avoca Beach. We had asked about charging when booking, and the friendly staff said that we could just plug the EV into the cabin.

Attempt 1: Too cold

When we arrived, since we were staying a couple of weeks, they had generously upgraded our cabin. But this one (number 20) is down a path from the parking. We managed to make our extension cord just reach along the path through the door to a power point.

However, when switched it on, the Tesla UMC (universal mobile charger) showed a red light flashing twice. I checked on the screen in the Tesla and tapped on the warning. The table showed that this problem is due to insufficient grounding of the power point.

Attempt 2: Too hot

I asked the staff about other options. They were very helpful, suggesting one of the two larger cabins that have a power point on their balcony. Since they had no booking there, they said we could park there to charge. I tried the first cabin, which worked, but when I checked a while later, the power point was very hot. So, I ramped down the current that the Tesla draws. Slow but safe.

Note that you should fully unroll an extension cord when using high current, otherwise it creates extra resistance and heat.

Attempt 3: Just right

The second cabin was booked the next night, so we moved the car to the third cabin. It also has a power point on the deck. But since this one has no direct access except through the locked cabin, I had to climb the railing to gain access. This power point works well, and didn’t overheat. We used this every two or three nights to charge.

Just park and plug in. Easy, as long as you have a working power point.

One of the staff remarked that this is probably something to provide more, since EVs are becoming more popular. Very true.

22 comments

  1. I believe it was drawing down too much power and over long period it can get very hot and this courses more problems with the charger
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  2. Andrew Raw
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  3. How much charge was put in plugged into 240v over what time frame
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    1. Paul Ktm We charged here and there on different days. Last night we scheduled it to charge from 10pm to 7am, on the good power point. So, that would have charged 230V (showed as lower than 240V) x 10A x 9 hours = 20.7kWh, which is about 33% of our 60kWh battery. It was enough to fully charge, since we started with out 68% last night.
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  4. The outlet that got hot did you try plugging and unplugging to clean the contacts??
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    1. Karl Jensen No, I didn’t try that, since it would take a while to cool down, then wait to see if it heated up. Good idea, though.

      The same extension cord worked fine at the third cabin, so I think the fault is with the power point.

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  5. Definitely a good idea to ramp down the current when charging with an extension cord (something that Tesla specifically advises against doing) - in between voltage drop, and overheating, better to be safe than sorry!
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  6. I received a 14 amp to type 2 charger and it said never to use an extension cord to charge the car because it raises too much heat over long periods of time. I am sure the extension cord could catch on fire. Then that fire could burn down a house and car.

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    1. Greg Hayden Yes, it’s best to use a high power rated cord.
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  7. Are there no plublic chargers in the area?
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    1. Brandt Campbell Given the chance, I’d much prefer to just charge overnight. You just park and plug in, and it’s ready to go in the morning. But also, there aren’t many public chargers on the Central Coast, at least not near Avoca Beach. We discovered this when we were last here:

      https://m.facebook.com/story.php?story_fbid=1761304053479…
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  8. I love using destination power points over night. Sleep and charge.. If you are getting a message about insufficient grounding the cabin owners should be calling a sparky to improve grounding with a new earth steak.
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    1. Rodney Lister making me hungry!!

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  9. If all fails there is a Tesla Supercharger at Tuggerah super centre.
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    1. Hugh Sykes Hi! Yes, we’ve used that a few times, but it’s an hour and a half round trip from Avoca Beach. We didn’t need it this time, thanks to overnight charging at our accommodation.
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  10. And to get fossil fuels. Drill a deep hole. Store black stuff. Build refineries. Store explosive flammable stuff.

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  11. Was your ext cord 10a or 15a…. In one shot the yellow cord looks thicker than the black lead beside it. If it was 15amp, was the outlet both 15 and 10?
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    1. Chris McMillan 10A connections on the extension cord. I don’t know the gauge/diameter but it’s “heavy duty”. It has worked faithfully without overheating, in many power points.
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      1. Tesla Tripping I researched using ext cords, and went with a 5 metre, 15a plus an “Amphibian” adapter (both Bunnings). That way I’ve got a 15a cord for those times that amperage is available, and for 10a supply I’ve got an ext cord that easily handles long term charging. Just passing on info in case you change your setup. 😎
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  12. Thanks for the tips.
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  13. I didn’t realise you could use an extension lead?
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    1. Kristi Thompson Yes, you can, but it should be a heavy duty cable, preferably rated higher than 10A. Remember not to leave it coiled or it will overheat. And check that the power point works and also doesn’t overheat, as in the examples in our post.
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