netdata/health/health.d/apcupsd.conf

# you can disable an alarm notification by setting the 'to' line to: silent

 template: apcupsd_10min_ups_load
       on: apcupsd.load
    class: Utilization
     type: Power Supply
component: UPS
       os: *
    hosts: *
   lookup: average -10m unaligned of percentage
    units: %
    every: 1m
     warn: $this > (($status >= $WARNING)  ? (70) : (80))
    delay: down 10m multiplier 1.5 max 1h
     info: average UPS load over the last 10 minutes
       to: sitemgr

# Discussion in https://github.com/netdata/netdata/pull/3928:
# Fire the alarm as soon as it's going on battery (99% charge) and clear only when full.
 template: apcupsd_ups_charge
       on: apcupsd.charge
    class: Errors
     type: Power Supply
component: UPS
       os: *
    hosts: *
   lookup: average -60s unaligned of charge
    units: %
    every: 60s
     warn: $this < 100
     crit: $this < 40
    delay: down 10m multiplier 1.5 max 1h
     info: average UPS charge over the last minute
       to: sitemgr

 template: apcupsd_last_collected_secs
       on: apcupsd.load
    class: Latency
     type: Power Supply
component: UPS device
     calc: $now - $last_collected_t
    every: 10s
    units: seconds ago
     warn: $this > (($status >= $WARNING)  ? ($update_every) : ( 5 * $update_every))
    delay: down 5m multiplier 1.5 max 1h
     info: number of seconds since the last successful data collection
       to: sitemgr