Is there any way to limit my powerwalls to not charging over 80% (ideally, but not necessarily, with storm watch breaking through and charging to 100%

[Obioban]

So needlessly hard on the batteries charging to 100%, much less sitting there for long periods. Is there any way to limit their SoC to something of my choosing (like the 80% SoC Tesla recommends on their cars)?

 

[power.saver]

So needlessly hard on the batteries charging to 100%, much less sitting there for long periods. Is there any way to limit their SoC to something of my choosing (like the 80% SoC Tesla recommends on their cars)?

No.

 

[jjrandorin]

So needlessly hard on the batteries charging to 100%, much less sitting there for long periods. Is there any way to limit their SoC to something of my choosing (like the 80% SoC Tesla recommends on their cars)?

Ditto the "No" from powersaver. Thats the full answer, there is nothing that stops the powerwalls from charging past 80%. Also, 100% in the app is not 100% charge of the batteries.

 

[Jeremy3292]

13.5 kWh usable / 14 kWh total capacity = 96.4% actual SoC when app shows 100% SoC.

 

[jjrandorin]

13.5 kWh usable / 14 kWh total capacity = 96.4% actual SoC when app shows 100% SoC.

View attachment 979347

The ones I got this year were delivered with more than 14kWh of energy, actually. One was 14.8kWh and the other was 14.6kWh.

 

[Jeremy3292]

The ones I got this year were delivered with more than 14kWh of energy, actually. One was 14.8kWh and the other was 14.6kWh.

Interesting. Is that on the side of your powerwalls? That’s closer to 90% SoC then, which is great.

 

[jjrandorin]

Interesting. Is that on the side of your powerwalls? That’s closer to 90% SoC then, which is great.

That value was not on the side, or otherwise printed on the powerwalls. That was the value pulled from accessing the pwerwalls and looking at the value in the site data / api data.

 

[ucmndd]

So needlessly hard on the batteries

Says who? This is literally what they were designed to do.

 

[Matt-FL]

They do charge close to stated energy (according to the API), however I do wonder if there is more going on here than is being presented. The numbers I show are closer to 98.6% charged when the app shows 100%.

 

[BIC1]

They do charge close to stated energy (according to the API), however I do wonder if there is more going on here than is being presented. The numbers I show are closer to 98.6% charged when the app shows 100%.

How do I access the API? I've accessed the PW web page as the customer using the IP address, but that doesn't show a whole lot of info. I've not seen anything like the graph you shared. Thanks.

 

[skepticcyclist]

How do I access the API? I've accessed the PW web page as the customer using the IP address, but that doesn't show a whole lot of info. I've not seen anything like the graph you shared. Thanks.

Where would I find good resources for the Powerwall API?

Hello, Im looking to work with the powerwall through an API so I can fine tune my energy use. Does anyone have any good resources for this?

teslamotorsclub.com

 

[Matt-FL]

How do I access the API? I've accessed the PW web page as the customer using the IP address, but that doesn't show a whole lot of info. I've not seen anything like the graph you shared. Thanks.

I am using Powerwall Dashboard, which runs on a RasPi or MicroPC/Docker. It does the connections to the API directly and logs the information, which can be immensely useful when contacting Tesla for support. Much easier to show with data then tell with a story.

GitHub - jasonacox/Powerwall-Dashboard: Grafana Monitoring Dashboard for Tesla Solar and Powerwall Systems

Grafana Monitoring Dashboard for Tesla Solar and Powerwall Systems - jasonacox/Powerwall-Dashboard

github.com