Use
AAA batteries are commonly used in small electronic devices, such as TV remote controls, MP3 players and digital cameras. Devices that require the same voltage, but have a higher current draw, are often designed to use larger batteries such as the AA battery type. AA batteries have about three times the capacity of AAA batteries. With the increasing efficiency and miniaturisation of modern electronics, many devices which previously were designed for AA batteries (remote controls, computer mice, and keyboards) are being replaced by models that accept AAA cells.
As of 2007, AAA batteries accounted for 24% of alkaline primary battery sales in the US. In Japan as of 2011, 28% of alkaline primary batteries sold were AAA. In Switzerland as of 2008, AAA batteries totalled 30% of primary battery sales and 32% of secondary battery sales.
| Zinc–carbon | Alkaline | Li-FeS2 | NiCd | NiMH | |
|---|---|---|---|---|---|
| IEC name | R03 | LR03 | FR03 | KR03 | HR03 |
| ANSI/NEDA name | 24D | 24A | 24LF | ||
| Typical capacity | 540 mAh | 250 – 1200 mAh | 1200 mAh | 300 – 500 mAh | 600 – 1250 mAh |
| Nominal voltage | 1.50 V | 1.50 V | 1.50 V | 1.25 V | 1.25 V |
Alkaline AAA cell capacities are dependant mainly on the discharge current and brand/model of battery, lower capacity meaning higher discharge current, however manufacturer stated capacity for a single-use alkaline AAA is typically 1000–1200 mAh.
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