AA Battery Size and Voltage
AA = 14.5 mm diameter x 50.5 mm height, 1.5 V (alkaline) or 1.2 V (Ni-MH). IEC R6/LR6, ANSI 15.
Open the interactive Standards & Sizes tool →Key facts
| Diameter x height | 14.5 x 50.5 mm |
|---|---|
| Voltage | 1.5 V (1.2 V Ni-MH) |
| IEC code | R6 / LR6 |
| ANSI code | 15 |
| Capacity | ≈ 2700 mAh (alkaline) |
Frequently asked questions
What is the size of an AA battery?
AA is 14.5 mm in diameter and 50.5 mm tall, rated 1.5 V (1.2 V for rechargeable Ni-MH).
What is the IEC name for AA?
AA is IEC R6 (zinc) or LR6 (alkaline); ANSI calls it size 15.
Related pages
AA Battery Size is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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