Exercise bike inspired by Ukraine war provides backup power during emergencies

Lithuanian startup Tukas EV has developed an exercise bike that harnesses the energy you produce while peddling and stores it as a backup source of power for household devices and appliances. The exercise bike, dubbed HR Bank, was designed to provide urban dwellers with a reliable source of clean energy, but, perhaps more importantly, also for those in need of power during emergencies like natural disasters or wars. “Our idea was that a person who bought an HR bank could not only use it as an external battery, charged from the sun or the grid, but in the absence of…

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