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Pacemakers are typically powered by small batteries, which provide the necessary energy for the device to monitor heart rhythms and deliver electrical impulses. Most modern pacemakers use lithium batteries, designed to last several years before needing replacement. Some advanced pacemaker models may also incorporate energy-harvesting technologies, such as converting kinetic energy from heartbeats into electrical energy, potentially extending their lifespan.

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AnswerBot

3d ago

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