Industrial Alkaline

Alkaline batteries are a probably the most common type of non rechargeable batteries on the market today. Most ordinary consumer type batteries found in a supermarket, are likely to be Alkalien batteries.
The alkaline battery has an open circuit voltage of 1.5V and is a relatively good and inexpensive source of power. They are available in 5 standard sizes; LR03 (AAA), LR6 (AA), LR14 (C), LR20 (D), PP3 (9V) and are often found in consumer electronic applications.