Back-UPS BK650EI 650VA Line Interactive UPS(REFURB WITH NEW BATTERIES)This product is part of the Back UPS range. The BK650EI features a total of 6 power outlets, 3 of which are UPS battery backup and 3 that are surge only. Its runtime at 100W is 35 minutes. It provides data line protection with a RJ45 analog phone line for phone or fax or modem or DSL. Its dimensions are 16. 5 x 9. 1 x 28. 4 cm and 6. 03 kg The BK650EI ensures office systems and their valuable data are protected from dangerous power surges, spikes and