eli5: Why does it take a long time to charge electronics? Why can’t there just be a surge of electricity sent to the battery to instantly recharge it?

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eli5: Why does it take a long time to charge electronics? Why can’t there just be a surge of electricity sent to the battery to instantly recharge it?

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Chemical reactions that allow batteries to store and release energy create heat. If the charging or discharging current is too high, the battery overheats and destroys itself. For this reason, all battery chargers limit their charge current rate.

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