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AA

AA battery size compared to a CR123A and AAA batteries

The size of an AA (double-A) battery compared against a CR123A and AAA cell.

Dimensions

Length 49.2 - 50.5 mm
Diameter 13.5 - 14.5 mm

Specifications

Voltage 1.2V / 1.5V / 3.6V
Chemistry Alkaline / NiMH / Lithium / LiSoCl2 / NiCd / Zinc Chloride / Li-Poly
Capacity 1000 – 3100mAh
Rechargeable Yes, some

Also see 14500 rechargeable li-ion cells

Replacement Sizes

15A, 15D, 15LF, 2AA, 815, AA, AL-AA, AM3, Double A, E91, EN91, FR6, KAA, L91, LR6, LR6XWA, MN1500, MX1500, PC1500, R6, UM3

What are AA Batteries?

Are there rechargeable AA batteries?

Yes, most rechargeable AA batteries use either NiMH (nickel-metal hydride) or NiCd (nickel-cadmium) chemistries. You can also buy 14500 li-ion batteries, which are the same size as AA cells.

Note that non-rechargeble double-A batteries typically have a 1.5V voltage, which may differ from most 14500 batteries (3.6V) and rechargeable NiMH AAs (1.2V). Always check with your device's user manual to see if a battery voltage, chemistry and terminal-type is compatible.

Do AA batteries expire?

Yes, all batteries eventually expire. AA batteries have a range of shelf lives between 3 and 20 years, wholly dependent on the battery's chemistry and storage conditions. We list the rated shelf life on all our product listings when available so you can make an informed choice when buying spares or bulk cells. For more information, check out our battery expiration guide!

What AA battery brand lasts the longest?

We don't play favorites at Battery Junction, and runtimes are often dependent on your device's battery drain and operating temperature. Typically, batteries with larger capacities (mAh) have longer overall runtimes. Double-A cells tend to max out at 3,000 mAh, and you can filter our wide-selection of batteries by 'Capacity (mAh)'.

Do you offer bulk-pricing on AA batteries?

Yes! A large selection of our batteries can be bought in bulk, letting you take advantage of huge discounts! You can filter our selection of batteries by bulk-eligibility, fill out a wholesale request form, or directly contact a member of our sales team now via phone or email!

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