[Nut-upsuser] APC BGM2200B-GR – NUT compatibility and shutdown.return support

[Raymond Burkholder]

If you can get an Eaton unit of similar style, I'd go with that. The APC 
Back-UPS provide minimal useful capability.

On 2026-08-18 10:17, kanka.dev | Akay Berk wrote:
>
> Hi,
>
> I am considering purchasing an *APC Back-UPS Pro BGM2200B-GR (2200 VA 
> / 1320 W)* for a Debian/Proxmox environment and would like to clarify 
> its level of support in NUT before purchasing it.
>
> I found real-world reports showing that this exact model is detected 
> by |usbhid-ups| and that basic monitoring as well as automatic host 
> shutdown have been used successfully.
>
> What I still need to know is whether the *complete unattended 
> power-failure/recovery cycle* works reliably with this model.
>
> My intended setup is:
>
>  *
>
>     APC BGM2200B-GR connected by USB to a Debian/Proxmox host
>
>  *
>
>     this host acts as NUT primary/server
>
>  *
>
>     additional Proxmox hosts, a QNAP NAS and other systems receive UPS
>     status over the network
>
>  *
>
>     non-critical systems shut down first
>
>  *
>
>     the final Proxmox host shuts down last
>
> Specifically:
>
> 1.
>
>     Has the *BGM2200B-GR* been tested directly with current NUT
>     versions and |usbhid-ups|?
>
> 2.
>
>     Are the following readings known to work reliably?
>
>      *
>
>         |OL| / |OB|
>
>      *
>
>         |LB|
>
>      *
>
>         battery charge
>
>      *
>
>         estimated runtime
>
>      *
>
>         UPS load
>
>      *
>
>         input voltage
>
> 3.
>
>     Does |upsdrvctl shutdown| work correctly with this exact model?
>
> 4.
>
>     Does the UPS expose a command equivalent to *|shutdown.return|* so
>     that:
>
>      *
>
>         the connected hosts shut down cleanly,
>
>      *
>
>         the UPS then switches off its battery-backed outlets,
>
>      *
>
>         and the outlets automatically become powered again when
>         utility power returns?
>
> 5.
>
>     If |shutdown.return| is not available, is there another reliable
>     NUT command or shutdown mode for achieving this behaviour on this UPS?
>
> 6.
>
>     Are |load.off|, |load.off.delay|, |load.on| or equivalent instant
>     commands supported?
>
> 7.
>
>     Are there any known USB/HID stability issues with this exact model
>     during long-term use?
>
> 8.
>
>     I found reports from Unraid users where the BGM2200B-GR works with
>     |usbhid-ups|, but also at least one report of sporadic stale-data
>     / USB communication issues. Is this known to be a UPS firmware
>     issue, a Linux USB/HID issue, or something specific to the Unraid
>     plugin?
>
> 9.
>
>     Is there any known reason not to use this model as the NUT primary
>     UPS for multiple network clients?
>
> I have *not purchased the UPS yet*, so I cannot currently provide 
> |lsusb|, |upsc|, |nut-scanner| or debug output.
>
> The main question for me before purchase is whether this model can 
> reliably perform the full cycle:
>
> *utility power fails → NUT clients shut down → final host shuts down → 
> UPS output turns off → utility power returns → UPS output turns back 
> on automatically.*
>
> Any confirmation from users who operate this exact model would be very 
> helpful.
>
> Thank you very much.
>
>
>
>
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