This is the UPS : https://www.amazon.co.uk/APC-Smart-UPS-SMC-Uninterruptible-Interactive/dp/B00DYP6HPA/ref=sr_1_1?ie=UTF8&qid=1487846959&sr=8-1&keywords=APC+Smart-UPS+1500
It is SMC1500I. As of 2017-04-24, the latest apcupsd from apt-get repo does not support it so we have to compile it from source.
The link to download the tar.gz file is here : https://sourceforge.net/projects/apcupsd/files/apcupsd%20-%20Stable/
The link to install it is : http://www.joewein.net/blog/2011/08/19/apc-smart-ups-750-with-ubuntu-11-4/
The link for the Web UI : https://help.ubuntu.com/community/apcupsd
A copy of the apcaccess :
APC : 001,027,0661
DATE : 2017-04-24 16:40:08 +0100
HOSTNAME : comeragh
VERSION : 3.14.14 (31 May 2016) debian
UPSNAME : comeragh
CABLE : USB Cable
DRIVER : USB UPS Driver
UPSMODE : Stand Alone
STARTTIME: 2017-04-24 16:34:17 +0100
MODEL : Smart-UPS C 1500
STATUS : ONLINE
BCHARGE : 100.0 Percent
TIMELEFT : 65.0 Minutes
MBATTCHG : 5 Percent
MINTIMEL : 3 Minutes
MAXTIME : 0 Seconds
ALARMDEL : No alarm
BATTV : 27.2 Volts
NUMXFERS : 0
TONBATT : 0 Seconds
CUMONBATT: 0 Seconds
XOFFBATT : N/A
STATFLAG : 0x05000008
MANDATE : 2016-09-04
SERIALNO : 3S1635X09551
NOMBATTV : 24.0 Volts
FIRMWARE : UPS 10.0 / ID=1005
END APC : 2017-04-24 16:40:13 +0100