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Learn about the different types of battery chargers, how they store energy in batteries, and how they adjust the charging current and voltage depending on the battery type and condition. Find out the advantages and disadvantages of simple, fast, and intelligent chargers, and the factors that affect the charging rate and temperature.
An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) is a type of external power supply that delivers electric power to devices that lack internal components to draw voltage and power from mains power themselves. Learn about the modes of operation, advantages, and safety issues of AC adapters, and see examples of different types of wall warts.
IEC Technical Specification 62700: DC Power supply for notebook computer is an IEC specification of a common standard for external laptop computer AC adapters.Laptops and AC adapters following this standard will have interchangeable power supplies, which will enable easy reuse of used power supplies (thereby reducing electronic waste) and make buying a new compatible power supply for a laptop ...
Learn about the different types, sizes, and speeds of USB connectors, and how they are designed to be durable and compatible. See the pinouts for USB 2.0, 3.0, and On-The-Go connectors, and how they differ from the standard A and B plugs.
A USB charger that supports QC3.0. Quick Charge (QC) is a proprietary battery charging protocol developed by Qualcomm, used for managing power delivered over USB, mainly by communicating to the power supply and negotiating a voltage.
MagSafe is a series of magnetically attached power connectors developed by Apple for Mac laptops. Learn about the different generations of MagSafe, from 2006 to 2021, and their pinout, design and compatibility.
USB-C is a 24-pin reversible connector that can carry audio, video, data, and power. It supports various protocols, such as USB, Thunderbolt, PCIe, HDMI, and DisplayPort, and has different speed grades and features.
Learn about the MacBook Air, a line of laptop computers developed by Apple since 2008. Compare the different models, specifications, and innovations of the MacBook Air, from the original Intel-based version to the latest Apple M2 chip.
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