[Nut-upsuser] battery not installed, but battery still 100% and NUT 2.7.2-4 does not catch this and report a error

[Roger Price]

On Mon, 3 Apr 2017, Jon Bendtsen wrote:

> On 03/04/17 17.10, Roger Price wrote:
>> On Mon, 3 Apr 2017, Jon Bendtsen wrote:
>> 
>>> Power seem to be lost immediately.
>>> But my APC Smart-UPS 1500 always reported everything OK.
>>> battery.charge     :     100
>>   ...
>>> battery.mfr.date     :     2005/08/26
>> 
>> Hi, Could you confirm that the battery is nearly 12 years old?  Roger
>
> yeah, it most likely is that old

That's probably the cause of the immediate power loss.  A new battery 
should fix the problem.  Roger