Windows 7 cuts almost a third off the battery life of some netbooks shipping today with Windows XP, several recent reviews and user reports say.
Laptop magazine reported in its blog on Monday that during a recent test, a Toshiba netbook lost 2.5 hours of battery life when running Windows 7 instead of XP, or about 30 percent (6:53 for Windows 7, versus 9:24 for XP).
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