HP Elite x2 User Guide - Page 71

13 Specifications Input power The power information in this section may be helpful if you plan to travel internationally with the tablet. The tablet operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100-240 V, 50-60 Hz. Although the tablet can be powered from a standalone DC power source, it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this tablet. The tablet can operate on DC power within the following specifications. Input Power Operating voltage and current Rating 12 V dc @ 3 A - 45 W NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. NOTE: The tablet operating voltage and current can be found on the system regulatory label. Operating environment Factor Temperature Operating (writing to optical disc) Nonoperating Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating Nonoperating Metric 5°C to 35°C -20°C to 60°C 10% to 90% 5% to 95% -15 m to 3,048 m -15 m to 12,192 m U.S. 41°F to 95°F -4°F to 140°F 10% to 90% 5% to 95% -50 ft to 10,000 ft -50 ft to 40,000 ft Input power 63