Battery Size Comparison

The table below is a handy chart comparing the typical capacity ratings for rechargeable NiCd or NiMH batteries and their sizes. The capacities are by no means standard, but they are fairly typical of the “standard” battery product lines among several manufacturers.

Battery Size Comparison

Diameter and weight are in millimeters; weight is in grams.
Weight can vary.

Cell Size

Diameter

Height

Weight

Capacity, mAh

N

12.0

30.0

5

150

AAA

10.5

44.5

12

650

1/3 AA*

14.0

14.0

7

50

1/2 AA*

14.0

17.0

14

110

2/3 AA*

14.0

28.3

14

600

4/5 AA*

14.0

42.2

23

1200

AA

14.0

50.0

25

1500

A*

17.0

50.0

35

2200

1/2 C

23.0

26.0

23

2100

C

25.2

50.0

80

3500

D

32.2

60.0

150

7000

9-volt

25.7×17.4

48.2

45

160-200

* Typically used in specialty battery packs and not available in traditional consumer packaging. They are obtained from battery specialty retailers as replacement cells or for making your own battery packs.