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Battery charger. Charging a 12 V lead–acid car battery. A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1][2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, amperes, current, for how long and what to do ...
A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [1][2] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...
Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in ...
HP Envy. HP Pavilion is a line of consumer-oriented laptop and desktop computers produced by HP Inc. Introduced in 1995, HP has used the name for both desktops and laptops in its home and home office product range. The Pavilion mainly competes against computers such as Acer 's Aspire, Dell 's Inspiron and XPS, Lenovo 's IdeaPad, Samsung 's Sens ...
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HP EliteBook. The HP ProBook is a line of business-oriented laptop computers made by Hewlett-Packard (HP Inc.). [1] HP marketed the ProBook series to business users; the list price was lower than that of HP's higher-end EliteBook series. [2]
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DC connector. A DC connector (or DC plug, for one common type) is an electrical connector that supplies direct current (DC) power. Compared to domestic AC power plugs and sockets, DC connectors have many more standard types that are not interchangeable. The dimensions and arrangement of DC connectors can be chosen to prevent accidental ...