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2. Battery holder - Wikipedia

   en.wikipedia.org/wiki/Battery_holder

   An alkaline battery in holder with pressure contacts 1987 lithium coin cell battery holder. A battery holder is one or more compartments or chambers for holding a battery. For dry cells, the holder must also make electrical contact with the battery terminals.

3. Separator (electricity) - Wikipedia

   en.wikipedia.org/wiki/Separator_(electricity)

   Diagram of a battery with a polymer separator. A separator is a permeable membrane placed between a battery's anode and cathode.The main function of a separator is to keep the two electrodes apart to prevent electrical short circuits while also allowing the transport of ionic charge carriers that are needed to close the circuit during the passage of current in an electrochemical cell.

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

5. 18650 battery - Wikipedia

   en.wikipedia.org/wiki/18650_battery

   An 18650 battery [1] or 1865 cell [2] is a cylindrical lithium-ion battery common in electronic devices. The batteries measure 18 mm (0.71 in) in diameter by 65 mm (2.56 in) in length, giving them the name 18650. [3] The battery comes in many nominal voltages depending on the specific chemistry used.

6. Electric vehicle battery - Wikipedia

   en.wikipedia.org/wiki/Electric_vehicle_battery

   The lithium iron phosphate battery (LFP) is on the rise, reaching 41% global market share by capacity for BEVs in 2023. [1]: 85 LFP batteries are heavier but cheaper and more sustainable. At the same time, the first commercial passenger cars are using a sodium-ion battery (Na-ion) completely avoiding the need for critical minerals. [2]

7. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   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 by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.