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English definition of “battery”

battery

noun [C]     /ˈbætəri/
a device that produces electricity to provide power for cars, radios, etc.: charge/recharge a battery I need to recharge the batteries for my camera. a rechargeable battery a battery-powered vehicle
a battery of tests/questions, etc. a large number of tests, questions, etc.: Candidates have to undergo a battery of intelligence tests.
(Definition of battery noun from the Cambridge Business English Dictionary © Cambridge University Press)
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