Sorry if this triggers your anxiety: remember how we once to charge our phones overnight so they were ready for action the next day? It took hours to charge devices from 0 to 100%, and we would frantically look for chargers if the battery level went below a certain threshold. That has changed in the last couple of years, during which we’ve seen the evolution of charging tech that fully juices up phones in under half an hour. Phew. Good old days There’s also a fast-charging arms race going on with companies trying to push hundreds of watts into phones…

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