Tente usar a configuração deste blogueiro: link
(trechos:
lsusb
...
Bus 008 Device 002: ID 0463:ffff MGE UPS Systems UPS
edite /etc/nut/ups.conf e adicione a seção para o dispositivo UPS:
...
[myups]
driver = usbhid-ups
port = auto
vendorid = 0463
pollfreq = 30
...
$ sudo upsdrvctl start
...
$ upsc myups
battery.charge: 75
battery.runtime: 1737
battery.type: PbAc
device.mfr: EATON
device.model: 5E 1100i
device.type: ups
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.parameter.vendorid: 0463
driver.version: 2.6.4
driver.version.data: MGE HID 1.31
driver.version.internal: 0.37
input.voltage: 229.0
outlet.1.status: on
outlet.desc: Main Outlet
outlet.id: 1
outlet.switchable: no
output.frequency: 49.9
output.frequency.nominal: 50
output.voltage: 233.0
output.voltage.nominal: 230
ups.beeper.status: enabled
ups.delay.shutdown: 20
ups.firmware: 01.04.0018
ups.load: 12
ups.mfr: EATON
ups.model: 5E 1100i
ups.power.nominal: 1100
ups.productid: ffff
ups.start.battery: yes
ups.status: OL CHRG
ups.timer.shutdown: -1
ups.vendorid: 0463