Rechargeable batteries are (re)charged by applying electric current, which reverses the chemical reactions that occur during discharge/use.
A rechargeable battery is recharged by reversing the chemical reaction that occurs within the battery.
A rechargeable battery is recharged by reversing the chemical reaction that occurs within the battery.
Make this easier to understand: Rechargeable batteries are (re)charged by applying electric current, which reverses the chemical reactions that occur during discharge/use. Output: