The battery capacity required for a Honda Dio scooter may vary depending on the specific model and year. However, most Honda Dio scooters typically use a 12V battery. The ampere-hour (Ah) rating of the battery can vary, but a common battery capacity for a Honda Dio is around 3-5 Ah.
To ensure you select the correct battery for your Honda Dio, it is recommended to consult the owner's manual or check with a Honda dealership or authorized service center. They will be able to provide you with the specific battery specifications and recommendations for your particular model and year of the Honda Dio scooter.