Ensure uninterrupted power supply for your BT digital voice service with CyberPower's Power Supply Battery Back-Up. This black indoor power supply with Type G plug type has a nominal voltage rating of 100-240V and a 24W nominal power rating. It has a nominal capacity of 7.2Ah with a backup time of at least 1 hour. This CyberPower model 097284 power supply has a single output, with a DC output voltage rating of 12V and an efficiency rating of 76%. It offers protection properties against lightning/surge protection. Operating temperatures range from 0°C minimum to 40°C maximum. Invest in this uninterruptible power supply for uninterrupted power supply during critical moments.