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how long do aa batteries last in storage

How Long Do AA Batteries Last in Storage


When it comes to storing batteries, many people wonder just how long they can be kept before they lose their charge. In particular, AA batteries are widely used in various electronic devices, making it important to know their shelf life in storage.

Factors Affecting Battery Shelf Life

Several factors can affect the shelf life of AA batteries in storage. These include the type and quality of the battery, the temperature and humidity of the storage environment, and the initial charge level of the battery at the time of storage.

Shelf Life of Alkaline AA Batteries

On average, alkaline AA batteries can last in storage for 5 to 10 years. However, this can vary depending on the factors mentioned above. Storing alkaline batteries in a cool, dry place at room temperature can help prolong their shelf life.

Shelf Life of Lithium AA Batteries

Lithium AA batteries generally have a longer shelf life compared to alkaline batteries. When stored in optimal conditions, they can last for 10 to 15 years. This makes them a preferred choice for long-term storage or emergency use.

Shelf Life of Rechargeable AA Batteries

Rechargeable AA batteries, such as nickel-metal hydride (NiMH) or lithium-ion, have a shorter shelf life compared to primary batteries. On average, they can retain their charge for 1 to 3 years in storage. It is important to recharge them periodically to prevent capacity loss.


In conclusion, the shelf life of AA batteries in storage can vary depending on the type and quality of the battery, as well as the storage conditions. It is advisable to store batteries in a cool, dry place at room temperature to maximize their shelf life. Understanding the shelf life of AA batteries can help ensure that they are reliable when needed.

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