The PowerShield DC Mini designed to provide emerg power backup to all kinds of powered equipment including routers, modems, set top boxes, VOIP phone systems, surveillance equipment, alarm systems and many critical telecommunications devices. DC Mini can economically provide hours of operation during power failure. Features Built in user replaceable Li-ion battery Auto start when plugged in Multi-colour indicator Embedded Micro-controller Manual power off switch port AC INPUT Voltage Range 90 V AC ~ 265 V AC Frequency 50 Hz or 60 Hz Surge Protection 125 J @ 4500 A DC OUTPUT Voltage 12 V DC ± 5 % Maximum Power 18 W (1.5 A) BATTERY Battery Type Lithium-ion Battery Voltage 3.7 V DC Capacity 2600 mAh Typical Charging Time 3 hours recover to 90% capacity PROTECTION Battery Deep Discharge, Over-Charge and Short Circuit Protection. Input / Output Fuse for Short Circuit and Overload Protection INDICATORS Multi-colour LED Display Full Battery Green - Solid Battery Charging Green - Slow flashing Battery Discharging Green - Quick flashing Fault Red - Solid PHYSICAL Dimensions (D x W x H) 78 x 42 x 74mm Net Weight 280 g