Other models

　　Talk about common models such as "AAAA, AAA, AA, A, SC, C, D, N, F"

　　The AAAA model is rare, and the disposable AAAA strength Alkaline battery can be seen occasionally, which is usually used in the computer pen. The standard AAAA (flat head) battery has a height of 41.5 ± 0.5mm and a diameter of 8.1 ± 0.2mm.

　　AAA batteries are common. Most of the previous MP3 players used AAA battery. The standard AAA (flat head) batteries are 43.6 ± 0.5mm high and 10.1 ± 0.2mm in diameter.

　　The AA type battery is even more well-known. Digital cameras and electric toys are inseparable from the AA battery. The standard AA (flat head) battery is 48.0 ± 0.5mm high and 14.1 ± 0.2mm in diameter.

　　It is not common to use only one A to indicate the type of battery. This series is usually used as the battery cell in the battery pack, and the nickel cadmium and Nickel–metal hydride battery of old cameras are almost 4/5A or 4/5SC battery cells. The standard A (flat head) battery has a height of 49.0 ± 0.5mm and a diameter of 16.8 ± 0.2mm.

　　SC models are also not common, usually the battery cells inside the battery pack, which can be seen on power tools, cameras, and imported equipment. The standard SC (flat head) battery has a height of 42.0 ± 0.5mm and a diameter of 22.1 ± 0.2mm.

　　The C model is also known as the second battery. The standard C (flat head) battery has a height of 49.5 ± 0.5mm and a diameter of 25.3 ± 0.2mm.

　　The D-type battery is the number one battery with a wide range of applications, including civilian, military, and specialty DC power sources. The standard D-type (flat head) battery has a height of 59.0 ± 0.5mm and a diameter of 32.3 ± 0.2mm.

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