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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.
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A smart battery requires a smart charger. Some smart chargers can also charge "dumb" batteries, which lack any internal electronics. The output current of a smart charger depends upon the battery's state. An intelligent charger may monitor the battery's voltage, temperature or charge time to determine the optimum charge current or terminate ...
A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
William Ray Norwood Jr. (born January 17, 1981), [1] known professionally as Ray J, is an American R&B singer, songwriter, television presenter, and actor. Born in McComb, Mississippi and raised in Carson, California, he is the younger brother of singer and actress Brandy.
The Colosseum (/ ˌ k ɒ l ə ˈ s iː ə m / KOL-ə-SEE-əm; Italian: Colosseo [kolosˈsɛːo]) is an elliptical amphitheatre in the centre of the city of Rome, Italy, just east of the Roman Forum.
In April 2007, a rumour was confirmed on the Swedish talk show Bert that The Pirate Bay had received financial support from right-wing entrepreneur Carl Lundström. This caused some consternation since Lundström, an heir to the Wasabröd fortune, is known for financing several far-right political parties and movements like Sverigedemokraterna and Bevara Sverige Svenskt (Keep Sweden Swedish).
The Titanic could carry 3,547 people in speed and comfort, [3] and was built on an unprecedented scale. Her reciprocating engines were the largest that had ever been built, standing 40 feet (12 m) high and with cylinders 9 feet (2.7 m) in diameter requiring the burning of 600 long tons (610 t) of coal per day.