# \[APP\]\[Pro\] Tesla Power Connect - Stay charged, always connected

**URL:** <https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554>\
**Category:** Apps\
**Tags:** app, homey-pro, community-app\
**Created:** [January 24, 2023, 10:49pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554 "2023-01-24T22:49:12Z")\
**Posts on this page:** 20\
**Page:** 4

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [May 21, 2025, 6:21pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/61 "2025-05-21T18:21:10Z")

</div>

Hi,

Thanks for your kind words 😊

As I don’t have the HomeyPro23 it’s hard for me to understand your request.  
If you know about an App that has done something like you request, I can probably contact the developer and get some help implementing it.

Cheers 🍻  
Rune

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<div class="post-metadata">

**Author:** ![Roy\_PEDRINIS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roy_pedrinis/32/80106_2.png) [@Roy\_PEDRINIS](https://community.homey.app/u/Roy_PEDRINIS)\
**Post date:** [May 21, 2025, 6:43pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/62 "2025-05-21T18:43:16Z")

</div>

I think there must be some answers here. Sorry, I’m trying to help you as best I can, but I’m not a developer and I’m having trouble knowing what to look for.

> **[Energy | Homey Apps SDK](https://apps.developer.homey.app/the-basics/devices/energy)**
>
> By defining the energy (kWh) and power (W) usage or generation of the devices your app supports, Homey can provide detailed reports and insights into their energy consumption.

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<div class="post-metadata">

**Author:** ![susniand](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/susniand/32/121047_2.png) [@susniand](https://community.homey.app/u/susniand)\
**Post date:** [May 24, 2025, 8:16pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/63 "2025-05-24T20:16:10Z")

</div>

same here. Or we are doing something wrong?

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<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [May 25, 2025, 10:09am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/64 "2025-05-25T10:09:06Z")

</div>

Hi @Roy_PEDRINIS,

I’ve looked through the SDK and I can’t find anything else to add. Are you not getting any data on the “Energy Screen” or don’t you have the screen, what are you missing that you feel needs to be added ?

Cheers,  
Rune

---

<div class="post-metadata">

**Author:** ![Roy\_PEDRINIS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roy_pedrinis/32/80106_2.png) [@Roy\_PEDRINIS](https://community.homey.app/u/Roy_PEDRINIS)\
**Post date:** [May 25, 2025, 8:16pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/65 "2025-05-25T20:16:06Z")

</div>

The schematic diagram is missing vehicle detection and the addition of a dedicated beacon for electric vehicles.

I think this information will be useful:

Thank you so much 🙏🏼

 ![IMG_6769](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/c/6/c6a8a1bc8c226ca81005ff0866318e7d2c43ed52.jpeg)

### 

EV chargers

EV chargers are devices that can be used at home to charge [EVs](https://apps.developer.homey.app/the-basics/devices/energy#evs). When creating a driver for an EV charger, apply the device class `evcharger` and set the `evCharger` property in the energy object of the driver. EV chargers should have the `measure_power` capability. This represents the real-time power consumption of the EV charger in Watts. This value can be positive and negative.

- Positive when the EV charger is charging the connected EV.

- Negative when the EV charger supports bi-directional charging and is currently discharging the connected EV.

To accurately reflect the charging state of the EV charger add the `evcharger_charging_state` capability. This allows the user to easily see the state of the EV charger and act on state changes like “EV is plugged in”.

Finally, to allow for easy control of the EV charger add the `evcharger_charging` capability. This capability acts like the on/off switch with regards to charging, and automatically generates useful Flow cards like “Start charging” and “Is charging”.

To enable Homey to distinguish between the charged and discharged energy of the EV charger, the driver should define the `meterPowerImportedCapability` and `meterPowerExportedCapability` energy properties, as shown below.

- **Imported energy** refers to the energy charged by the EV charger.

- **Exported energy** refers to the energy discharged by the EV charger.

These properties should be assigned to the corresponding capabilities of your device responsible for measuring charged and discharged energy. If your device does not support discharging just omit the `meterPowerExportedCapability` property.

/drivers/\<driver\_id\>/driver.compose.json

Copy

```auto
{
  "name": { "en": "My Driver" },
  "images": {
    "small": "/drivers/my_driver/assets/images/small.png",
    "large": "/drivers/my_driver/assets/images/large.png"
  },
  "class": "evcharger",
  "capabilities": [
    "measure_power",
    "evcharger_charging",
    "evcharger_charging_state",
    "meter_power.charged",
    "meter_power.discharged"
  ],
  "capabilitiesOptions": {
    "meter_power.charged": {
      "title": { "en": "Charged Energy" }
    },
    "meter_power.discharged": {
      "title": { "en": "Discharged Energy" }
    }
  },
  "energy": {
    "evCharger": true,
    "meterPowerImportedCapability": "meter_power.charged",
    "meterPowerExportedCapability": "meter_power.discharged"
  }
}

```

The `evCharger` property and the `evcharger_charging` and `evcharger_charging_state` capabilities are available as of v12.4.5.

### 

EVs

EVs are battery electric cars. These cars can be charged by an EV charger. When creating a driver for an EV, apply the device class `car` and set the `electricCar` property in the energy object of the driver.

EVs should have the `measure_battery` capability which represents the current state of charge of the battery. Additionally, the `ev_charging_state` capability should be added when the EV can report its current charging state (plugged in/out, charging, discharging).

/drivers/\<driver\_id\>/driver.compose.json

Copy

```auto
  "name": { "en": "My Driver" },
  "images": {
    "small": "/drivers/my_driver/assets/images/small.png",
    "large": "/drivers/my_driver/assets/images/large.png"
  },
  "class": "car",
  "capabilities": ["measure_battery", "ev_charging_state"],
  "energy": {
    "electricCar": true
  }
}

```

The `electricCar` energy property and `ev_charging_state` capability are available as of Homey v12.4.5.

---

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [May 27, 2025, 11:25am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/66 "2025-05-27T11:25:04Z")

</div>

Hi

Could be that the changes you are looking for is coming with the newly released v12.4.5. As soon as it gets installed on my homey I can add the bits that comes with the version.

Cheers  
Rune

---

<div class="post-metadata">

**Author:** ![Roy\_PEDRINIS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roy_pedrinis/32/80106_2.png) [@Roy\_PEDRINIS](https://community.homey.app/u/Roy_PEDRINIS)\
**Post date:** [May 27, 2025, 11:45am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/67 "2025-05-27T11:45:21Z")

</div>

Hello, ok, perfect, thank you very much. In any case, my homey has just been updated this night, so I think it should soon be the same for you. Thank you and I await your response.

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<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [May 28, 2025, 6:13am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/68 "2025-05-28T06:13:37Z")

</div>

Hi,

I’ve published a test version [v1.11.0-test](https://homey.app/a/tesla.wall.connector/test/) that supports the latest changes from Homey v12.4.5.

Please let me know if the changes work and I hope are the changes you are hoping for.

Cheers,  
Rune

---

<div class="post-metadata">

**Author:** ![Alain\_Bijl](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/alain_bijl/32/765_2.png) [@Alain\_Bijl](https://community.homey.app/u/Alain_Bijl)\
**Post date:** [May 28, 2025, 9:25am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/69 "2025-05-28T09:25:11Z")

</div>

Nice!!! Thank you!

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/e/4/e4c0cf3cf338583e60d85987b490dda3f9e62af1.jpeg)

---

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [May 28, 2025, 7:40pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/70 "2025-05-28T19:40:17Z")

</div>

Hi,

New patched [v1.11.1-test](https://homey.app/en-no/app/tesla.wall.connector/Tesla-Power-Connect/test/) is out.  
Added better support for the new state evcharger\_charging\_state.plugged\_in\_paused.

Cheers  
Rune

---

<div class="post-metadata">

**Author:** ![Roy\_PEDRINIS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roy_pedrinis/32/80106_2.png) [@Roy\_PEDRINIS](https://community.homey.app/u/Roy_PEDRINIS)\
**Post date:** [May 28, 2025, 8:53pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/71 "2025-05-28T20:53:55Z")

</div>

Perfect, thank you very much. I just downloaded it. I’ll get back to you by the end of this week. Thank you in any case for your follow-up and involvement.🙏🏼

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<div class="post-metadata">

**Author:** ![Roy\_PEDRINIS](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/roy_pedrinis/32/80106_2.png) [@Roy\_PEDRINIS](https://community.homey.app/u/Roy_PEDRINIS)\
**Post date:** [June 1, 2025, 6:22pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/72 "2025-06-01T18:22:24Z")

</div>

I just tested it and everything works perfectly. Thank you very much for your work, your responsiveness and your listening skills 🙏🏼

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<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [June 3, 2025, 4:26pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/73 "2025-06-03T16:26:59Z")

</div>

Hi,

v1.11.1 is now live.  
Thank you all for helping out verifying the changes 😃

Cheers  
Rune

---

<div class="post-metadata">

**Author:** ![Nicklas\_Kittelmann](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/nicklas_kittelmann/32/134486_2.png) [@Nicklas\_Kittelmann](https://community.homey.app/u/Nicklas_Kittelmann)\
**Post date:** [June 3, 2025, 8:18pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/74 "2025-06-03T20:18:30Z")

</div>

Today the data for isConnected is incorrect (tested using the “AND-card” “Is connected”, and calling the card from HomeyScript). It says that the TWC Gen3 isn’t connected to the car. Also, when examining the device, it states that the contactor is open since 8 hours, which I interpret that it isn’t connected.  
However, it is connected and the Tesla app shows it’s connected. I went out to the car and disconnected the charge, and then re-connected it. No change.

Does anyone have any idea what I’m doing wrong?

---

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [June 4, 2025, 5:22am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/75 "2025-06-04T05:22:26Z")

</div>

Hi,

Could be timeouts from the TWC that are causing your issues.

There are servere times I’ve experienced timeouts from the APIs:

- The API calls to the TWC are quite sensitive. Calling the APIs to frequent can get it to start to timeout.
- During firmware updates, the other day one of my TWC’s got a firmware update during development and it started to timeout on the APIs for quite some time.
- Some firmware versions are more sensitive then others

When this happens you can check with a browser if this is the case by going to [http://IP/api/1/vitals](http://IP/api/1/vitals)

There is a setting under in the app «Update frequency» I’ve experienced that when it’s about 60sec or more everything seems to run smoothly.

Cheers  
Rune

---

<div class="post-metadata">

**Author:** ![Nicklas\_Kittelmann](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/nicklas_kittelmann/32/134486_2.png) [@Nicklas\_Kittelmann](https://community.homey.app/u/Nicklas_Kittelmann)\
**Post date:** [June 4, 2025, 5:59am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/76 "2025-06-04T05:59:44Z")

</div>

I think I’m the one doing something wrong here. Easy to blame the system for timeouts, but I’m not sure that’s the problem… my code is:

```auto
async function isCarConnectedToCharger(){
  isConnected = await Homey.flow.runFlowCardCondition({
    id: "homey:device:9d433210-d15d-480a-99b6-849a6a648fa1:is_connected",
    args: {}
  })
  .catch(err => {
    log('error:', err);
  })
  .then(res => {
    log("res:" + res.result);
    return res.result;
  });
  log("isConnected:" + isConnected);
  return isConnected;
}

```

It logs:

```auto
res:false
isConnected:false

```

And when calling the api for vitals, I get:

```auto
{"contactor_closed":false,"vehicle_connected":true,"session_s":36605,"grid_v":233.3,"grid_hz":49.978,"vehicle_current_a":0.5,"currentA_a":0.0,"currentB_a":0.4,"currentC_a":0.5,"currentN_a":0.8,"voltageA_v":0.0,"voltageB_v":0.0,"voltageC_v":3.3,"relay_coil_v":11.9,"pcba_temp_c":23.6,"handle_temp_c":17.7,"mcu_temp_c":33.1,"uptime_s":775215,"input_thermopile_uv":-418,"prox_v":0.0,"pilot_high_v":8.7,"pilot_low_v":-11.6,"session_energy_wh":0.000,"config_status":5,"evse_state":4,"current_alerts":[],"evse_not_ready_reasons":[1]}

```

which says vehicle\_connected:true

What am I doing wrong?

---

<div class="post-metadata">

**Author:** ![Nicklas\_Kittelmann](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/nicklas_kittelmann/32/134486_2.png) [@Nicklas\_Kittelmann](https://community.homey.app/u/Nicklas_Kittelmann)\
**Post date:** [June 4, 2025, 6:24am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/77 "2025-06-04T06:24:04Z")

</div>

Consulting ChatGPT, it suggests that I use the vitals API directly. But it feels wrong - when you’ve made a good and easy Homey app, I should take advantage of it and use that instead!

```auto
async function isTeslaPhysicallyConnected() {
  try {
    let response = await fetch('http://10.17.29.22/api/1/vitals');
    let data = await response.json();
    log("phys_connected:" + data.vehicle_connected);
    return data.vehicle_connected;
  } catch (err) {
    log('Error fetching vitals:', err);
    return false;
  }
}

```

---

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [June 4, 2025, 2:39pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/78 "2025-06-04T14:39:29Z")

</div>

Hi,

When calling isConnected the app uses cached data, normally the cache is 60seconds. I can do a change to the app where the isConnected and isCharging does a direct call to the TWC, to see if that helps your issue.

Cheers  
Rune

---

<div class="post-metadata">

**Author:** ![Nicklas\_Kittelmann](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/nicklas_kittelmann/32/134486_2.png) [@Nicklas\_Kittelmann](https://community.homey.app/u/Nicklas_Kittelmann)\
**Post date:** [June 4, 2025, 2:53pm UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/79 "2025-06-04T14:53:58Z")

</div>

Sure, we could try that. If the error is in the caching.

---

<div class="post-metadata">

**Author:** ![Rune\_Vaernes](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rune_vaernes/32/149212_2.png) [@Rune\_Vaernes](https://community.homey.app/u/Rune_Vaernes)\
**Post date:** [June 7, 2025, 9:01am UTC](https://community.homey.app/t/app-pro-tesla-power-connect-stay-charged-always-connected/75554/80 "2025-06-07T09:01:03Z")

</div>

Hi,

I’ve published [v1.12.0-test](https://homey.app/en-no/app/tesla.wall.connector/Tesla-Power-Connect/test/) where I’ve updated the isConnected method to return the vehicle connection status directly.

Cheers  
Rune

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