**Requires 30 amp wall outlet or need to buy optional (30 amp to 15 amp adapter), see pictures** 3000va UPS is 60 lbs, heavy unit requires 2 people to handle, prefer to be used in COMMERCIAL settings due to FAN noise level and outlet requirements. Online (Double-Conversion) UPS Typically 24/7 continuous fan operation (Less than 50dBA @ 1 Meter / 3.28 feet) Zero Transfer Time (ms) for absolute continuous operation (on-line), For data center and mission critical systems, computers, instruments, automation. (3000VA / 3000W) input voltage: 80-150vac / output voltage: 110/115/120/127vac (50/60hz auto sensing) 8 x NEMA 5-15R, (Output voltage regulation: +/- 1 percent) 3 hours recharge time 90 percent, Cold Start (DC power on), ECO mode energy saving, Emergency power off (EPO) function, LCD screen, monitoring software included. 2 Year Limited warranty / TUV Certification (tested to UL 1778), This is updated version of, DS3000B / DS3000B-RM, (Durable Series) Tower mount, Topology: True sine wave, online double conversion, single phase (2W+G), compatible with diesel power generator, supports active PFC power supplies. Press the ON Button for FEW SECONDS to fully power on the UPS, the back outlets are then ready for your devices. Simple Plug & Play operation. Runtime chart in pictures. (Due to item value *** SIGNATURE REQUIRE FOR DELIVERY ***) 2 Year Manufacturer Warranty The OPTI-UPS DS1500E (1500VA, 1050W) Online Double Conversion Uninterruptible Power Supply is the perfect solution for your battery backup and surge protection needs. It gives you power protection and a peace of mind: Voltage and frequency fluctuations, surges, sags and power cuts are likely to cause serious damages to your PC and equipment. These problems occurs everyday, even for a second can cause damages to your data and hardware, thus shortening equipment life. On-line double conversion technology: An online UPS is the best power protection possible for your battery backup needs. The DS1500E provides true online sinewave power for many critical applications. The ONLINE UPS isolates the outside environment by converting power from AC to DC, and back to AC, thus the connected equipments are totally isolated with this Uninterruptible Power Supply, providing a pure stable sine wave output. The 3 powerful internal batteries provides continuous power preventing equipments from tripping or shutting down when you needed the most. Usages for the DS1500E: Ideal for computers, PCs, workstations, home entertainment systems, gaming machines, small servers, storage, NAS, surveillance cameras, cyber security, ultrapcs and more. The DS1500E is perfect for your routers, switches, modems to provide uninterrupted internet access. It can also be used with generators! Monitoring your power: The lite weight Sentinal software monitors your PC or server with minimum foot print, bundles free with every OPTI-UPS. The easy to read interface controls the UPS and gives you the status of your UPS and power, shuts down your PC on schedule, and provides history of events. It even sends out notifications in case there’s a power problem. The multilingual and multi-functional LCD display provides detail information of the current status and load of the UPS.