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2. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   A lithium-ion battery from a laptop computer . Batteries gradually self-discharge even if not connected and delivering current. Li-ion rechargeable batteries have a self-discharge rate typically stated by manufacturers to be 1.5–2% per month. [75] [76] The rate increases with temperature and state of charge.

3. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   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, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged. Some battery types have high ...

4. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [ 1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [ 2] The terminal marked negative is the source of electrons that will ...

5. AC adapter - Wikipedia

   en.wikipedia.org/wiki/AC_adapter

   AC adapter. A "wall-wart" type AC adapter for a household game console. The output has a barrel connector. "Power brick" in-line configuration, with detachable AC cord and NEMA 1-15 plug. An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [ 1] is a type of external power supply, often enclosed ...

6. Smart battery - Wikipedia

   en.wikipedia.org/wiki/Smart_battery

   Almost all laptops use smart batteries. 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 ...

7. Lithium polymer battery - Wikipedia

   en.wikipedia.org/wiki/Lithium_polymer_battery

   Lithium polymer battery. A lithium polymer battery, or more correctly, lithium-ion polymer battery (abbreviated as LiPo, LIP, Li-poly, lithium-poly, and others), is a rechargeable battery of lithium-ion technology using a polymer electrolyte instead of a liquid electrolyte. Highly conductive semisolid ( gel) polymers form this electrolyte.