Do you know what batteries this uses?

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Across
  1. 1. This fruit can be used as an electrical source because it's very acidic!
  2. 4. Used in electrical components and the positive end of a battery connects to it, hint it's used in pennies!
  3. 9. These batteries use solar energy to power them, they are also called photovoltaic cells.
  4. 10. Big battery used to power on cars and as a backup system.
Down
  1. 1. Battery used in smartphones and electric vehicles
  2. 2. Metal used in 2 types of batteries, hint its also a coin!
  3. 3. These batteries can be reused multiple times and can last a long time.
  4. 5. This vegetable can be used as an electrical source, hint its what French fries are made of!
  5. 6. These batteries can only be used once and then have to be thrown away.
  6. 7. Used in electrical components and the negative end of a battery connects to it.
  7. 8. The type of energy that batteries hold and provide.