What is the difference between BL-5C vs BL-5cA involving dimensions?

Answer 1

NO difference actually coz they have the same exact size and dimensions.

Answer 2

The BL-5C and BL-5cA batteries are different in dimensions. The BL-5C measures approximately 53 x 34 x 5 mm, while the BL-5cA is slightly thicker at around 6.5 mm. The BL-5cA typically has a higher capacity than the BL-5C due to the increased size.