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Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by discharging it from 100% to 0%: "You complete one charge cycle when you’ve used (discharged) an amount that equals 100% of your battery’s capacity — but not necessarily all from one charge. For instance, you might use 75% of your ...
Apple stated that replacing the device's battery would restore full performance, and also announced that it would offer a US$50 discount (from $79 to $29) on battery replacements for iPhone 6 and 6S from January through December 2018, and that it would include more prominent battery health information in later versions of iOS.
Battery: A 3.6 V 1/2AA lithium battery, which must be present in order for basic settings to persist between power cycles, is located on the logic board. Macintosh SE machines which have sat for a long time have experienced battery corrosion and leakage, resulting in a damaged case and logic board. Some SE models feature a board-mounted battery ...
Battery life for the 17-inch version is quoted at eight hours, with 80 percent of this charge remaining after 1,000 charge-discharge cycles. [31] At Apple's Worldwide Developers Conference (WWDC) on 8 June, 2009, it was announced that the 13-inch unibody MacBook would be upgraded and re-branded as a MacBook Pro, [32] leaving only the white ...
The original Macintosh was a relatively simple machine, now of interest for its simplicity and for the fact that it was the first computer produced by Apple under the name Macintosh. The Macintosh used standard off-the-shelf components to the greatest extent possible, achieving a moderate price point by mixing complex LSI chips, readily ...
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A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.
The Power Mac G4 is a series of personal computers designed, manufactured, and sold by Apple Computer from 1999 to 2004 as part of the Power Macintosh line. Built around the PowerPC G4 series of microprocessors, the Power Mac G4 was marketed by Apple as the first "personal supercomputers", [1] reaching speeds of 4 to 20 gigaFLOPS.