APC Back-UPS CS 500
- Power: 500 VA / ~300 W
- UPS type: Standby (Offline)
- Input / Output: 230V AC
- Waveform: Modified sinus
- Battery: 12V VRLA
- Working time: short-term backup (for medium-sized loads)
- Speeches: several IEC sockets (UPS + surge)
- Features: Surge protection, LED indicators, audible warning


