[Nut-upsuser] NUT and non-APCC UPSs doing calibration runs

Charles Lepple clepple at gmail.com
Fri Apr 10 12:32:19 UTC 2015

[please CC the list]

On Apr 10, 2015, at 7:55 AM, Ben Kamen <bkamen at benjammin.net> wrote:

> On 2015-04-09 9:48 PM, Charles Lepple wrote:
>> On Apr 8, 2015, at 11:16 PM, Ben Kamen <bkamen at benjammin.net> wrote:
>> As a starting point, you might want to search the NUT Device Dump Library (DDL) for 'test.battery' and 'test.interval': https://github.com/networkupstools/nut-ddl (GitHub's search works, or you can clone the repository and use 'git grep' locally for a more concise listing.)
> Will do.
> I know on APC, there's a difference between "test" and "calibrate" -- so in your sentence above, should I look for the same in the drivers?

That's an interesting point - most of the other drivers seem to have a "quick test" and "deep test", but no "calibrate" command. A lot of the names are the closest match to the vendor's software user interface.

>> Not all entries in the DDL have the commands listed, unfortunately, so absence of a test command does not guarantee that it is not supported.
> gotcha.
>> I would argue that any UPS with a lead-acid battery needs to perform some sort of calibration to properly report a) runtime to empty and b) when the battery needs replacement. Whether or not the UPS does that calibration automatically (or manually, or both) is a different story.
> I would too.
> I've been thinking of CyberPower - I've used them for less critical things and they seem decent. So hopefully....

I have no experience with CyberPower. Maybe others on the list can comment.

Charles Lepple
clepple at gmail

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