battery low

This block is part of the globals group and was last modified in core v15.0.0.

Home automation integration

battery low object v15.0.0

Starts the flow when a device's battery drops below the threshold, or reports its own low-battery flag.

In pins 3

device value v15.0.0
Only fire for this device. Leave empty for every battery device.
room value v15.0.0
Only fire for devices in this room. Leave empty for every room.
below % number v15.0.0
Fire when the battery crosses below this percentage.
Default 20

Out pins 9 + flow

flow v15.0.0
device object v15.0.0
The full device: id, name, room, type, capabilities, current state.
device id value v15.0.0
Stable platform id, e.g. zigbee:0x00158d0007e1a2b3.
name value v15.0.0
The device's friendly name.
room value v15.0.0
The room the device is assigned to, empty if none.
type value v15.0.0
sensor, light, switch, climate, cover, lock or button.
capability value v15.0.0
Which capability changed, e.g. occupancy, contact, power.
value value v15.0.0
The new value.
previous value v15.0.0
The value before this change, empty on the first report.
at number v15.0.0
Unix seconds the device reported.

Start-of-flow trigger for device health. Fires when battery percentage crosses below `below` (default 20), OR when a device raises its own battery_low flag. Both dialects are handled because devices implement one or the other, rarely both.

zigbee

zwave

matter

battery

maintenance

trigger

A typical wiring for battery low: the flow out pin feeds debug.

Used in these guides

These documentation pages use or explain this block:

Trigger Reference

Version history

Introduced in v15.0.0.

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