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48: Power Profile ​

See how much power is or has been used by the device, as well as current power usage and if the device is charging.

FieldNameDescriptionType
5MethodRequest a service to be perform an action
Possible values:
  • 1: SET— Set one or more values that are provided in the message payload.
  • 2: GET— Get values for the associated message type.
  • 3: SUBSCRIBE— Subscribe to values for the associated message type. Can be used in conjunction with other header fields to define the subscription parameters, such as Interval, Duration, Timeout, Storage Level and Message Level. If no interval is provided, messages will be sent as and when new data is available. Some data, such as GPS position, may require a set interval to be provided.
  • 5: UNSUBSCRIBE— Unsubscribe from a previous subscription.
uint8
This is an extract of header fields that are relevant to this message type, you can find them all documented in the Headers section.

Payload ​

FieldNameDescriptionTypeUnit
3Total powerTotal power used, since a point in time decided by the method used.
For messages from a SUBSCRIBE, this is the mAH used since the subscription was started
For a GET response, this is the mAH used since the device was turned on
float32mAh
4CurrentInstantaneous Current power usagefloat32mA
5ChargingIs the device currently chargingbool

Examples ​

Get request
📡 Real example from Generate tool on 2025-10-14Created using the generate tool, this was tested against an RH2 device, sent from Toit.
Get response
📡 Real example from RH2 P1 v2296 on 2025-10-14Response to the above GET request, captured from an RH2 device as part of normal communications over I2C with the ESP32 co-processor.
Subscription Request
📡 Real example from Generate tool on 2025-10-14Created using the generate tool, this was tested against an RH2 device, sent from Toit.
Subscription ACK
📡 Real example from RH2 P1 v2296 on 2025-10-14Response to the above SUBSCRIBE request, captured from an RH2 device as part of normal communications over I2C with the ESP32 co-processor.
Subscription update, while on charge
📡 Real example from RH2 P1 v2296 on 2025-10-14Response to the above subscription, captured from an RH2 device as part of normal communications over I2C with the ESP32 co-processor.

Code ​

For convenience, the following constants can be used to reference this message type.