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XABS — Battery Status

Queries the state of the built-in backup battery, including external power presence, voltage, and charge percentage.

Format

  • Query: >QXABS<
  • Response: >RXABS{A}{BBBB}P{CCC}<
FieldDescription
AExternal main power: 1 = connected, 0 = disconnected
BBBBBuilt-in battery voltage in millivolts (4 digits)
PFixed separator character
CCCBattery charge percentage (3 digits)
note

Voltage and percentage values are most meaningful when external power is disconnected.

Examples

Query battery status:

>QXABS<
>RXABS14030P078<

This response indicates: external power is connected (1), battery voltage is 4030 mV, charge level is 78%.

  • F12 — External power present signal

Defaults and Limits

  • Query-only command.
  • A is reported as 0 or 1 (external power disconnected/connected).
  • BBBB is emitted as 4 digits and CCC as 3 digits.