CR2016 Dimensions (D x H mm) 20,0 x 1,6 Weight (g) 1,8 Nominal Capacity 75mAh to 2V (20° ± 2° C rated capacity at 30k? continuous drain) CR2025 Dimensions (D x H mm) 20,0 x 2,5 Weight (g) 2,5 Nominal Capacity 150mAh to 2V (20° ± 2° C rated capacita at 15k? continuous drain) CR2032 Dimensions (D x H mm) 20,0 x 3,2 Weight (g) 3,1 Nominal capacity 220mAh to 2V (20° ± 2° C rated capacity at 15k? continuous drain)