Hello - hope someone can assist. Trying to get battery status for my emergency generator’s 12v battery which has a “battery-assist” BLE monitor attached and looks like one of the devices Theengs supports. I’m using HomeAssistant (running on a dedicated RPi3) and since I had a spare ESP32 I installe…

[image] rcb-hp3000: Is there a link for a device that DEFINTELY works? The battery monitor which does work for decoding its battery level in percentage as well as the actual voltage, with OpenMQTTGateway is the BM2 , with Theengs Gateway it can only retrieve the battery level in percentage, as…

HA/TheengsGW addon/esp32dev-ble-mqtt-undecoded to monitor battery-assist

Theengs OpenMQTTGateway

DigiH August 5, 2025, 1:38pm 16

Good to hear about your BM2

I’m sure you’ve also seen the voltage values coming in by now.

For an explanation see