The following battery sizes are for some of the most well known variants. Also included are button batteries and other types.

### Common Battery Types

The AAA is also known as the micro with a capacity of 1200 (alkaline). The nominal voltage is 1.5. The size is 44.5 mm x (L) x 10.5 mm (D). The AA is also known as the Penlight. The capacity is 2700 (alkaline) with a nominal voltage of 1.5. The dimensions are (L) 50.5 mm (D) 13.5–14.5 mm.

The C has a capacity of 8000 (alkaline). The nominal voltage is 1.5. Its dimensions are L 61.5 mm (D) 34.2 mm. The battery size 9 volt has a capacity of 565 (alkaline) with a nominal voltage of 8. It is rectangular in shape.

The dimensions are 48.5 mm x 26.5 mm x 17.5 mm (h x l x w). The Lantern Spring has a capacity of 26000 (alkaline) and a nominal voltage of 6. It is square and measures 115 mm x 68.2 mm x 68.2 mm (h x l x w).

### Less Known Batteries

The AAAA is also known as the MX2500. Its capacity is 625 (alkaline) with a voltage of 1.5. The dimensions are L 42.5 mm x D 8.3 mm. The 1/2 AA is also known as the SAFT LS14250. It has a voltage of 3.6. It measures L 24 mm x D 13.5-14.5 mm.

The battery size A23 is also called the 23A. The capacity is 40 (alkaline). The nominal voltage is 12. It is L 29 mm x D 10 mm.

The CR123A has a capacity of 1500 (Lithium). It measures L 34.5 mm by D 17 mm. The CR2 has a capacity of 750 (Lithium) with a voltage of 3. The dimensions are L 27 mm × D by D 15.6 mm.

The CR-V3 has a capacity of 3000 (Lithium) with a voltage of 3. It measures 52.20 × 28.05 × 14.15 mm. The J has a capacity of 625 (alkaline). The nominal voltage is 6. It measures H 48.5 mm x L 35.6 mm x W 9.18 mm.

### Button Battery Sizes

The CR927 has a capacity of 30 (Lithium) and a nominal voltage of 3. It measures D 9.5 mm x H 2.7 mm. The CR1025’s capacity is 30 (Lithium) with a voltage of 3. It is D 10 mm x H 2.5 mm. The CR1216 has a capacity of 25 (Lithium) and a nominal voltage of 3. The battery measures D 12.5 mm x H 1.6 mm.

The CR1220’s current capacity is 35 40 (Lithium). It is 12.5 mm x 2.0 mm. the SR69 possesses a capacity of 30 (alkaline). It is D 9.5 mm x H 2.1 mm. The SR66 has a capacity of 12-18 (alkaline) and measures D 6.8 mm x H 2.6 mm. The SR58 has a capacity of 18-25 (alkaline). The battery measures D 7.9 mm x H 2.1 mm.

The battery sizes seldom change. However, new types are certain to come out as electronic applications are continuously being developed.

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