HP 6720s HP Notebook PC - Getting Started - Vista - Enhanced for Accessibility - Page 48

Input power

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Page 48 highlights

Input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. Although the computer 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 computer. The computer is capable of accepting DC power within the following specifications. Input power Operating voltage Operating current Rating 18.5 V dc @ 3.50 A - 65 W or 19.0 V dc @ 4.74 A - 90 W 3.50 A or 4.74 A 42 Appendix B Operating environment and input power

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Input power
The power information in this section may be helpful if you plan to travel internationally with
the computer.
The computer operates on DC power, which can be supplied by an AC or a DC power source.
Although the computer 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 computer.
The computer is capable of accepting DC power within the following specifications.
Input power
Rating
Operating voltage
18.5 V dc @ 3.50 A - 65 W or 19.0 V dc @ 4.74 A - 90 W
Operating current
3.50 A or 4.74 A
42
Appendix B
Operating environment and input power