Zinc Carbon AAA batteries are a somewhat older type of primary batteries, featuring a nominal voltage of 1.5 V and a typical capacity of 500-600 mAh. Non-rechargeable (primary) AAA batteries include Zinc Carbon, Alkaline, Li-FeS2, and NiOOH batteries. However, with the advances in technology and chemistry, new types are gaining in popularity as well. The following chart lists the most common AAA battery chemistries, labels, and their features, including perhaps their most important features, AAA battery voltage, and capacity:Īlthough AAA batteries features vary greatly depending on the chemistry type, the most important AAA batteries are non-rechargeable alkaline AAA batteries and NiMH rechargeable AAA batteries.
Their standard label is 'AAA', but other labels are also in use, often depending on the country, chemistry, standard and similar, including LR03, R03, FR03, HR03, KR03, ZR03, 24A, 24D, 24LF, MN2400, MX2400, MV2400, Type 286, U16, HP16, UM 4, etc.īut, practically all the most important battery brands label them as AAA batteries. AAA Batteries - Size, Chemistry Types, and ReplacementsĪAA batteries are one of the most common cylindrical battery sizes used in various electronic and electric devices, like remote controls, toys, cameras, flashlights, radios, etc.ĪAA batteries differ greatly in chemistry and hence they differ in capacity, voltage, current/voltage discharging characteristics, and many other features, which may be of great importance when powering sensitive electronic equipment.ĪAA Battery Dimensions, Features, and SpecificationsĪAA batteries are cylindrical batteries 10.5 mm (0.41 inch) in diameter and 44.5 mm (1.75 inch) in length.
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