[nemo@Jolla ~]$ upower --enumerate
/org/freedesktop/UPower/devices/battery_battery
/org/freedesktop/UPower/devices/line_power_pm8921_dc
/org/freedesktop/UPower/devices/line_power_usb
[nemo@Jolla ~]$ dbus-send --print-reply --system --dest=org.freedesktop.UPower /org/freedesktop/UPower/devices/battery_battery org.freedesktop.DBus.Properties.GetAll string:org.freedesktop.UPower.Device
method return sender=:1.6 -> dest=:1.285 reply_serial=2
   array [
      dict entry(
         string "NativePath"
         variant             string "battery"
      )
      dict entry(
         string "Vendor"
         variant             string ""
      )
      dict entry(
         string "Model"
         variant             string ""
      )
      dict entry(
         string "Serial"
         variant             string ""
      )
      dict entry(
         string "UpdateTime"
         variant             uint64 1420485465
      )
      dict entry(
         string "Type"
         variant             uint32 2
      )
      dict entry(
         string "PowerSupply"
         variant             boolean true
      )
      dict entry(
         string "HasHistory"
         variant             boolean true
      )
      dict entry(
         string "HasStatistics"
         variant             boolean true
      )
      dict entry(
         string "Online"
         variant             boolean false
      )
      dict entry(
         string "Energy"
         variant             double 2.7827
      )
      dict entry(
         string "EnergyEmpty"
         variant             double 0
      )
      dict entry(
         string "EnergyFull"
         variant             double 6.54436
      )
      dict entry(
         string "EnergyFullDesign"
         variant             double 7.98
      )
      dict entry(
         string "EnergyRate"
         variant             double 1.84028
      )
      dict entry(
         string "Voltage"
         variant             double 4.00664
      )
      dict entry(
         string "Luminosity"
         variant             double 0
      )
      dict entry(
         string "TimeToEmpty"
         variant             int64 0
      )
      dict entry(
         string "TimeToFull"
         variant             int64 7358
      )
      dict entry(
         string "Percentage"
         variant             double 43
      )
      dict entry(
         string "Temperature"
         variant             double 20.4
      )
      dict entry(
         string "IsPresent"
         variant             boolean true
      )
      dict entry(
         string "State"
         variant             uint32 1
      )
      dict entry(
         string "IsRechargeable"
         variant             boolean true
      )
      dict entry(
         string "Capacity"
         variant             double 82.0095
      )
      dict entry(
         string "Technology"
         variant             uint32 1
      )
      dict entry(
         string "RecallNotice"
         variant             boolean false
      )
      dict entry(
         string "RecallVendor"
         variant             string ""
      )
      dict entry(
         string "RecallUrl"
         variant             string ""
      )
   ]
[nemo@Jolla ~]$ dbus-send --print-reply --system --dest=org.freedesktop.UPower /org/freedesktop/UPower/devices/line_power_pm8921_dc org.freedesktop.DBus.Properties.GetAll string:org.freedesktop.UPower.Device
method return sender=:1.6 -> dest=:1.286 reply_serial=2
   array [
      dict entry(
         string "NativePath"
         variant             string "pm8921-dc"
      )
      dict entry(
         string "Vendor"
         variant             string ""
      )
      dict entry(
         string "Model"
         variant             string ""
      )
      dict entry(
         string "Serial"
         variant             string ""
      )
      dict entry(
         string "UpdateTime"
         variant             uint64 1420485541
      )
      dict entry(
         string "Type"
         variant             uint32 1
      )
      dict entry(
         string "PowerSupply"
         variant             boolean true
      )
      dict entry(
         string "HasHistory"
         variant             boolean false
      )
      dict entry(
         string "HasStatistics"
         variant             boolean false
      )
      dict entry(
         string "Online"
         variant             boolean false
      )
      dict entry(
         string "Energy"
         variant             double 0
      )
      dict entry(
         string "EnergyEmpty"
         variant             double 0
      )
      dict entry(
         string "EnergyFull"
         variant             double 0
      )
      dict entry(
         string "EnergyFullDesign"
         variant             double 0
      )
      dict entry(
         string "EnergyRate"
         variant             double 0
      )
      dict entry(
         string "Voltage"
         variant             double 0
      )
      dict entry(
         string "Luminosity"
         variant             double 0
      )
      dict entry(
         string "TimeToEmpty"
         variant             int64 0
      )
      dict entry(
         string "TimeToFull"
         variant             int64 0
      )
      dict entry(
         string "Percentage"
         variant             double 0
      )
      dict entry(
         string "Temperature"
         variant             double 0
      )
      dict entry(
         string "IsPresent"
         variant             boolean false
      )
      dict entry(
         string "State"
         variant             uint32 0
      )
      dict entry(
         string "IsRechargeable"
         variant             boolean false
      )
      dict entry(
         string "Capacity"
         variant             double 0
      )
      dict entry(
         string "Technology"
         variant             uint32 0
      )
      dict entry(
         string "RecallNotice"
         variant             boolean false
      )
      dict entry(
         string "RecallVendor"
         variant             string ""
      )
      dict entry(
         string "RecallUrl"
         variant             string ""
      )
   ]
[nemo@Jolla ~]$ dbus-send --print-reply --system --dest=org.freedesktop.UPower /org/freedesktop/UPower/devices/line_power_usb org.freedesktop.DBus.Properties.GetAll string:org.freedesktop.UPower.Device
method return sender=:1.6 -> dest=:1.287 reply_serial=2
   array [
      dict entry(
         string "NativePath"
         variant             string "usb"
      )
      dict entry(
         string "Vendor"
         variant             string ""
      )
      dict entry(
         string "Model"
         variant             string ""
      )
      dict entry(
         string "Serial"
         variant             string ""
      )
      dict entry(
         string "UpdateTime"
         variant             uint64 1420485602
      )
      dict entry(
         string "Type"
         variant             uint32 1
      )
      dict entry(
         string "PowerSupply"
         variant             boolean false
      )
      dict entry(
         string "HasHistory"
         variant             boolean false
      )
      dict entry(
         string "HasStatistics"
         variant             boolean false
      )
      dict entry(
         string "Online"
         variant             boolean true
      )
      dict entry(
         string "Energy"
         variant             double 0
      )
      dict entry(
         string "EnergyEmpty"
         variant             double 0
      )
      dict entry(
         string "EnergyFull"
         variant             double 0
      )
      dict entry(
         string "EnergyFullDesign"
         variant             double 0
      )
      dict entry(
         string "EnergyRate"
         variant             double 0
      )
      dict entry(
         string "Voltage"
         variant             double 0
      )
      dict entry(
         string "Luminosity"
         variant             double 0
      )
      dict entry(
         string "TimeToEmpty"
         variant             int64 0
      )
      dict entry(
         string "TimeToFull"
         variant             int64 0
      )
      dict entry(
         string "Percentage"
         variant             double 0
      )
      dict entry(
         string "Temperature"
         variant             double 0
      )
      dict entry(
         string "IsPresent"
         variant             boolean false
      )
      dict entry(
         string "State"
         variant             uint32 0
      )
      dict entry(
         string "IsRechargeable"
         variant             boolean false
      )
      dict entry(
         string "Capacity"
         variant             double 0
      )
      dict entry(
         string "Technology"
         variant             uint32 0
      )
      dict entry(
         string "RecallNotice"
         variant             boolean false
      )
      dict entry(
         string "RecallVendor"
         variant             string ""
      )
      dict entry(
         string "RecallUrl"
         variant             string ""
      )
   ]