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In the current product line, the MacBook Air is Apple's entry-level laptop, situated below the performance range MacBook Pro, and is currently sold with 13-inch and 15-inch screens. [1] Apple released the MacBook Air with the Apple M1 system on a chip in November 2020, at WWDC20. A redesigned model based on the Apple M2 chip was released in ...
The MacBook Pro is a line of Mac laptop computers developed and manufactured by Apple. Introduced in January 2006, it is the high-end sibling of the MacBook family, sitting above the ultra-portable MacBook Air and previously the low-end MacBook.
The MacBook Pro with Apple silicon is a line of Mac notebook computers first introduced in November 2020 by Apple. It is the higher-end model of the MacBook family, sitting above the consumer-focused MacBook Air, and is currently sold with 14-inch and 16-inch screens. All models use Apple-designed M series systems on a chip.
Calcium batteries are one of many candidates to replace lithium-ion battery technology. It is a multivalent battery. Key advantages are lower cost, earth abundance (41,500 ppm), higher energy density, high capacity and high cell voltage, [12] and potentially higher power density. Calcium is the fifth-most abundant mineral in the Earth's crust ...
Nominal cell voltage. 3.6 / 3.7 / 3.8 / 3.85 V,LiFePO4 3.2 V,Li4Ti5O12 2.3 V. A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized ...
Battery numbering. IEC 60086 battery type designation system. Examples of the IEC nomenclature are batteries coded R20, 4R25X, 4LR25-2, 6F22, 6P222/162, CR17345 and LR2616J. The letters and numbers in the code indicate the number of cells, cell chemistry, shape, dimensions, the number of parallel paths in the assembled battery and any modifying ...
"The battery life is great for note-taking," one reviewer wrote. "It's super light to carry around and the space gray color I chose is so sleek and classy. It took me about five minutes to set it up."
MagSafe Connector. MagSafe is a series of proprietary magnetically attached power connectors developed by Apple Inc. for Mac laptops. MagSafe was introduced on 10 January 2006, in conjunction with the MacBook Pro, the first Intel-based Mac laptop, at the Macworld Expo. A MagSafe connector is held in place magnetically so that if it is tugged ...