Powercool 850VA Smart UPS Powercool present a UPS to help protect your computer hardware and sowftware against power outages. This UPS will give you vital time to save your work and shut down your computer in the event of a power outage.    Features   • Built in AVR • DC Cold Start • Audible Alarm • USB Connectivity • Intelligent CPU Control • Wide Input Range • Software Monitoring • Compatible with generators • Strong EMI compatibility, no EMI to load • Protection against Surge, Over / Under Voltage Specification Type: External UPS Maximum Capacity: 850VA/510W Battery Type: 12V7AH x 1 Sealed Lead-acid maintenance free Typical Protection: 320 Joules instantaneous response Backup Time: 15-20 Minutes (load dependant) Inversion: Sine Wave (Mains) Square Wave (Inverter) Transfer Time: Battery Protection: Surge Over/Under Voltage Input Voltage: 165V - 275V / 82V - 138V Output Voltage: 110V / 120V / 220V / 230V / 240V /- 10 Recharge Time: 90 capacity after 8 hours Interfaces: 2 x UK Mains Sockets 2 x RJ45 (In/Out) 1 x USB (For USB Monitoring) Visual Indicators: LED Indicators Audible Indicators: Alarm Dimensions: 320 x 96 x 163mm (L x W x H) Additional Featues: See Overview Package Type: Retail Package Weight: 7.1000 kg Warranty: 1 Year