This unit with a built in rechargeable 518Wh Lithium Iron Phosphate (LiFePo4) battery is equiped with a number of output ports allowing you to power up what you need to stay connected for about 4-6hrs on a fully charged battery.  It is ideal for use on Laptops, Computers, LED Lights, Electrical fans and also provide power backup to all types of DC power equipment such as Routers, Modems, Decoders, VOIP Phone Systems, Surveillance Systems, Alarm Systems and many critical communications equipment