Here's output from one of my Macs:
$ apcaccess
APC : 001,036,0984
DATE : 2013-02-05 19:04:33 +0100
HOSTNAME : MServe.local
VERSION : 3.14.10 (13 September 2011) darwin
UPSNAME : MServeUPS
CABLE : USB Cable
DRIVER : USB UPS Driver
UPSMODE : Stand Alone
STARTTIME: 2013-02-04 12:20:28 +0100
MODEL : Back-UPS ES 700G
STATUS : ONLINE
LINEV : 224.0 Volts
LOADPCT : 24.0 Percent Load Capacity
BCHARGE : 100.0 Percent
TIMELEFT : 22.2 Minutes
MBATTCHG : 20 Percent
MINTIMEL : 10 Minutes
MAXTIME : 0 Seconds
SENSE : Medium
LOTRANS : 180.0 Volts
HITRANS : 266.0 Volts
ALARMDEL : 30 seconds
BATTV : 13.5 Volts
LASTXFER : Automatic or explicit self test
NUMXFERS : 1
XONBATT : 2013-02-05 06:45:58 +0100
TONBATT : 0 seconds
CUMONBATT: 11 seconds
XOFFBATT : 2013-02-05 06:46:09 +0100
LASTSTEST: 2013-02-05 06:45:58 +0100
STATFLAG : 0x07000008 Status Flag
SERIALNO : 5B1143T07380
BATTDATE : 2011-10-22
NOMINV : 230 Volts
NOMBATTV : 12.0 Volts
FIRMWARE : 871.O2 .I USB FW:O2
END APC : 2013-02-05 19:05:15 +0100