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I have a number of AGM and regular lead acid 12v batteries and a number of brand chargers including old Charles and new Victron chargers. I simply want to be able to monitor each battery voltage wirelessly from my phone without integration with any of the chargers. Is there such a Victron battery monitor? Wifi best but bluetooth OK. Can't figure out of the battery monitors Victron has will work in a standalone manner with my cellphone. Thanks...
If you only want to see the voltage, take a look at the smart battery sense:
https://www.victronenergy.com/meters-and-sensors/smart-battery-sense
From the FAQ
Q4: Can the Smart Battery Sense be used as a standalone product?
Yes. In this instance, it will simply act as a voltage- and temperature-measuring device. Note that the functionality is limited in that it does not (yet) show the graphs or other data normally generated from these measurements.
You could use an ESP32 as a bridge from bluetooth to wifi, for example
https://github.com/Fabian-Schmidt/esphome-victron_ble
