D battery

D cells are typically used in high current drain applications, such as in large flashlights, radio receivers, and transmitters, and other devices that require an extended running time.

The U.S. military designation for this battery has been BA-30 since sometime before World War II.

In 2008, Swiss purchases of D batteries amounted to 3.4% of primary and 1.4% of secondary (rechargeable) sales.

[4] A battery's capacity depends upon its cell chemistry and current draw.

[5] This effect is generally less pronounced in cells with NiMH chemistry and hardly at all with NiCd.