NUT+PowerCom

ИБП PowerCom Imperial 825AP и BNT 500AP (оба с USB-разъёмами) хорошо работают с драйвером usbhid-ups:

root@server# upsc PowerCom_BNT-500AP
battery.charge: 100
battery.charge.low: 10
battery.charge.warning: 30
battery.date: 2010/10/01
battery.runtime: 2176
battery.type: PbAc
device.mfr: POWERCOM Co.,Ltd 
device.model:   UPS  BNT--500AP FW4.A6 
device.serial: 4A6-0000-0001  
device.type: ups
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.version: 2.4.3
driver.version.data: PowerCOM HID 0.2
driver.version.internal: 0.34
input.frequency: 50.0
input.voltage: 234.0
input.voltage.nominal: 220
output.frequency: 50.0
output.voltage: 234.0
output.voltage.nominal: 220
ups.beeper.status: enabled
ups.date: 2010/10/01
ups.load: 6
ups.mfr: POWERCOM Co.,Ltd 
ups.model:   UPS  BNT--500AP FW4.A6 
ups.productid: 00a6
ups.serial: 4A6-0000-0001  
ups.status: OL
ups.test.result: Done and passed
ups.vendorid: 0d9f

battery.charge: 100
battery.charge.low: 10
battery.charge.warning: 30
battery.date: 2010/01/01
battery.runtime: 1984
battery.type: PbAc
device.mfr: POWERCOM Co.,LTD 
device.model:   UPS  IMP--825AP FW3.A2 
device.serial: 3A2-0000-0001  
device.type: ups
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.version: 2.6.3
driver.version.data: PowerCOM HID 0.3
driver.version.internal: 0.35
input.frequency: 50.0
input.voltage: 236.0
input.voltage.nominal: 220
output.frequency: 50.0
output.voltage: 204.0
output.voltage.nominal: 220
ups.beeper.status: enabled
ups.date: 2010/01/01
ups.load: 4
ups.mfr: POWERCOM Co.,LTD 
ups.model:   UPS  IMP--825AP FW3.A2 
ups.productid: 00a2
ups.serial: 3A2-0000-0001  
ups.status: OL TRIM
ups.test.result: Done and passed
ups.vendorid: 0d9f