The UPS vendor “Eaton Cooperation” uses the standard MIB settings as described here: http://forum.opmonis.de/thread/standard-ups-according-to-rfc-1628/
In addition Eaton uses its own vendor specific MIB (EATON-MIB). The following settings should work for alle Eaton UPS:
OID for Running On Battery: 1.3.6.1.4.1.534.1.2.5.0
Evaluation (Regex): ^[^1|4]$
OID for Minutes Remaining: 1.3.6.1.4.1.534.1.2.1.0
Multiplier: 0.0166
OID for Charge Remaining: 1.3.6.1.4.1.534.1.2.4.0
Multiplier: 1