The AA battery is the most widely used battery in the world and can be found in hundreds of thousands of devices. IEC codes for AA batteries include the popular LR6 for alkaline AA batteries and HR6 for rechargeable NiMH batteries. The standard voltage for these batteries is 1.5V, while rechargeable batteries typically provide 1.2V. Newer lithium AA batteries offer significantly greater capacity at a slightly higher price. Introduced in 1907, the AA battery size was standardized by the American National Standards Institute (ANSI) in 1947, but it had been used in flashlights and electrical novelties for some time before formal standardization.
The ANSI and IEC battery nomenclature provides various designations for cells of this size, depending on cell characteristics and chemistry. Each AA battery is 51 mm long and 14 mm in diameter. AA batteries are available in alkaline, saline, long-life lithium, and rechargeable formats of varying capacities. Alkaline AA batteries have a shelf life of approximately 6 years, while equivalent lithium AA batteries last up to 9 years before use. Rechargeable AA batteries are now available in NiMH with capacities up to 2850mAh and are also available in the new "pre-charged" technology that allows for immediate use.
- Type: AA Saline R6
- Technology: Alkaline
- Voltage: 1.5V
- – Usos: Relógios de parede, teclados e ratos, comandos à distância, lanternas, brinquedos sexuais, brinquedos para crianças.
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