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The run-time for a battery-operated UPS depends on the type and size of batteries and rate of discharge, and the efficiency of the inverter. The total capacity of a lead–acid battery is a function of the rate at which it is discharged, which is described as Peukert's law. Manufacturers supply run-time rating in minutes for packaged UPS systems.
It will likely get more extended use as a laptop with a touchscreen." [11] In an editors' review, CNET stated that, "The Yoga works best as a full-time laptop and part-time tablet, because when it's folded back into a slate, you still have the keyboard pointing out from the back of the system. Although the keyboard and touch pad are deactivated ...
A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers.
Most forms of uninterruptible power supply (UPS) can be either powered by battery or flywheel energy. These are ready for immediate use at the instant that the mains electricity fails, but the relatively small and finite amount of stored energy they contain makes them suitable for short periods of use, typically in the order of a few dozen minutes to a couple of hours depending on the actual load.
The Yoga Tablet 2 with AnyPen is a Windows-based tablet computer with an 8-inch 1080p display. It weighs .43 kg and Lenovo claims it has a battery life of 15 hours. Lenovo's AnyPen technology allows the use of pencils, ballpoint pens, and other traditional writing instruments to write on the screen like a stylus.
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ThinkBook is a line of business-oriented laptop computers and tablets designed, developed and marketed by Lenovo aimed at small businesses.. The ThinkBook line is marketed towards small business users and gets the same market position as Lenovo's ThinkPad E series.
This computer was the basis for all of Apple’s modern computers that followed. It launched in 1984, and while it seems like a bulky monstrosity compared to today’s sleek laptops, collectors ...