code: def check_ups_estimated_minutes_remaining(the_session, the_helper, the_snmp_value):
      
      the_helper.add_metric(
          label=the_helper.options.type,
          value=the_snmp_value,
          uom="minutes")
  
      the_helper.set_summary("Remaining runtime on battery is {} minutes".format(the_snmp_value))
docs: OID .1.3.6.1.2.1.33.1.2.3.0
      MIB excerpt
      An estimate of the time to battery charge depletion
      under the present load conditions if the utility power
      is off and remains off, or if it were to be lost and
      remain off.