APC Back-UPS RS 1100VA, 230V, without auto shutdown software, ASEAN. APC Back-UPS RS, 660 Watts / 1100 VA,Input 230V / Output 230V. (1) IEC 320 C13 (Surge Protection) (3) IEC 320 C13 (Battery Backup). Typical Backup Time at Half Load 12.1 minutes (330 Watts) Typical Backup Time at Full Load 2.9 minutes (660 Watts)