Does anybody charge a BYD Sealion 7 with an X22? Could you share your charging experience? Specifically related to solar charging if you have solar but any feedback will be helpful. Thanks.
Hey, that is do.
What particular info are you chasing?
I have recently upgraded to battery and solar in which at this point in time, the meter board cant fit two pairs of CT clamps so solar diversion isnt currently active.
Prior to upgrading, it worked well.
Solar diversion for charging will be my primary use so I will definitely need the CT clamps installed.
I had no room in my switchboard for the solar CT clamps so we had to put them in the meterbox on the other side of the house. It meant a long cable run for the CTs but they seem to be working ok. Are you planning to fit the CTs in the future?
I will probably get them installed back in there if I can.
With the solar/battery, im not overly concerned any more about pulling from the grid as it would come from the battery unless I have the air con on at the same time. I am also on the EV tarrif so charging during the day is either free or dirty cheap
I don’t have a BYD, but I do occasionally use solar charging on the X22 if we’re exporting > 2kW. Although we have a 3 phase connection to the grid, our solar panel inverter is 5kW single phase.
If you are using solar diversion, the beware that sudden drops in solar export can cause you to inadvertently draw from the grid for a few milliseconds as the X22 needs time to react. It’s not particularly great if this happens during peak tariffs, but unavoidable as most power electronics would struggle with transients.
Solar diversion works well on a cloudless sunny day when panel generation is consistent. However, if your home load is unstable (ovens PWMing to maintain temperature), or it’s partly cloudy day that causes your exports to vary wildly over a span of minutes, then your solar charging will struggle. You’ll either be drawing from the grid as the X22 struggles to react to the power flux from your solar panel inverter, or it won’t turn on at all as the X22 will wait for your exports to settle over a period of time.
Thanks for the info, yes that’s my understanding of how solar division works.
According to the manual:
The export threshold must be exceeded for 60s before your charger will begin solar diversion.
It doesn’t say but I assume when it drops below the export threshold, it could take 60s for it to stop charging. During that time you will be drawing from the grid or even the battery if you have one.
I wouldn’t mind if it pulled from the grid for up to 60s while a cloud passes. Might reduce the amount of stop/start the charger is doing.
Better late than never…
So if you have a newish solar system with a battery and using Amber, then I would highly recommend you not to get the Evnex X22 chargers, as that integration with curtailment does not work.
I have had nothing but issues when using Amber with the X22 while trying to charge off excess solar with my SL7. The integration does not work seamlessly.
In scenarios where excess solar goes below the 2KW limit on a 3 phase system, by the time excess solar comes back, the car goes to sleep, so then you would have to manually wake the car up.
Honestly had I known of these issues, I would not have bought the X22 as it is an expensive dumb charger. The only function that works is the charge now feature, which kind of beats the purpose. The apps itself can be buggy, trying to stop the charge, or when trying to load live data while its charging.
I have raised these issues with support and they are not helpful nor transparent about it. My latest issue hasn’t been responded to, for close to 3 weeks and when they last looked at the data, they looked at the wrong timestamps and have gone silent ever since. So, I would say the support has been next to useless in my case.
I have stopped plenty of family and friends from going ahead with any Evnex chargers, as I don’t believe it’s fit for purpose with my solar system and Amber.
Hopefully you will have a better experience.
I’m picking the car up today and the X22 is being installed on Monday so I’ll let you know of my experience.
I have 3 phase solar, battery, but I’m not with Amber.