Doubling Laptop Battery Life

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of the Acer Laptop Battery   First post by: www.batterystores.ca

Intel's new integrated power management could dramatically reduce power consumption in your laptop by shutting down operations not being used.

nyone who uses a laptop on an airplane would love a single battery to last through a trans-American flight. Now researchers at Intel believe that they can double a laptop's battery life without changing the battery itself such as Acer BTP-43D1 Battery, Acer TravelMate 220 Battery, Acer BTP-73E1 Battery, Acer TravelMate 2300 Battery, Acer Aspire 1680 Battery, Acer Aspire 1300 Battery, Acer BTP-APJ1 Battery, Acer BTP-AQJ1 Battery, Acer BTP-ARJ1 Battery, Acer Aspire 2200 battery. Instead, they would optimize power management--system wide--of the operating system, screen, mouse, chips inside the motherboard, and devices attached to USB ports.

To be sure, manufacturers and researchers have been exploring piecemeal ways to make portable computers more energy efficient. Operating systems are designed to deploy power-saving screen savers and put an entire system to sleep if its owner hasn't used it after a while. And Intel's forthcoming Atom, a microprocessor for mobile Internet devices, can be put to sleep at up to six different levels, depending on the types of tasks that it needs to do.

But the problem with these approaches is that they're not coordinated across the entire device. Intel's prototype power-management system is aware of the power that's used by all parts of a laptop, as well as the power requirements of a person's activity, and it shuts down operations accordingly, says Greg Allison, business development manager. The project, called advanced platform power management, was demonstrated on Wednesday at an Intel event in Mountain View, CA.

Allison gives this example: today, when a person reads a static e-mail, the screen still refreshes 60 times a second, and peripherals such as the keyboard, mouse, and USB devices drain battery power while awaiting instructions. "We're burning energy even when we don't need to," Allison says. In this situation, Intel's system would save power by essentially taking a snapshot of the screen that a person is reading and saving it to a buffer memory. So instead of refreshing, the screen would maintain an image until a person tapped a button on the keyboard or moved the mouse (the keyboard and mouse would also stay asleep until activated).