The HP Compaq Presario V4000 is a mid-sized and mid-priced notebook computer. Powered by the Intel Centrino chipset, it combines a two-gigahertz Pentium M processor with support for wireless networking. The Centrino platform is designed to generate less heat and use less power, resulting in the computer having enhanced battery life.
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Wall AC Power Input
The V4000's 65-watt power supply accepts both 100- to 120-volt power and 220- to 240-volt power. HP makes replacement power cords available, although it is typically packaged with a single power cord matching the country in which it is shipped. This makes the computer usable throughout the world.
DC Power Requirements
HP builds the V4000 to accept an input of 18.5 volts of direct current power. It needs 3.5 amps of current, which works out to 65 watts.
HP offers two different battery packs -- a six-cell and a twelve-cell battery pack. The twelve-cell pack has a power capacity of 8.8 amp-hours, which is twice the 4.4 amp-hour capacity of the six-cell pack. HP rates the twelve-cell battery to last as long as seven hours and ten minutes. It weighs 0.567 Kilogram and measures 8 inches wide, 2.3 inches deep and 1.5 inches high.
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