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how long does a battery last in storage

How Long Does a Battery Last in Storage?


What is the average lifespan of a battery in storage?

When it comes to storing batteries, it’s important to understand how long they can last without being used. The average lifespan of a battery in storage can vary depending on the type of battery and the conditions in which it is stored.

Factors that affect the lifespan of a battery in storage

There are several factors that can affect how long a battery will last in storage. These include the type of battery, the temperature and humidity of the storage environment, and whether the battery is fully charged or not.

Types of Batteries

Alkaline batteries

Alkaline batteries have a relatively long shelf life and can last in storage for up to 10 years if kept in a cool, dry place. However, if they are exposed to high temperatures or humidity, their lifespan can be significantly reduced.

Lithium-ion batteries

Lithium-ion batteries have a shelf life of between 2 to 10 years, depending on the manufacturer and how they are stored. Storing them at a low temperature, around 40% charge, and in a dry environment can help extend their lifespan.

Nickel-metal hydride (NiMH) batteries

NiMH batteries can last in storage for around 1 to 3 years, but their lifespan can be affected by factors such as temperature and overcharging. Storing them in a cool, dry place and at a partial charge can help preserve their capacity.

Storage Conditions

Temperature and humidity

Temperature and humidity can have a significant impact on the lifespan of a battery in storage. Extreme heat or cold, as well as high humidity, can cause the battery to degrade more quickly. It’s best to store batteries in a cool, dry place to extend their lifespan.

Charge level

When storing batteries, it’s important to ensure they are not fully charged or completely discharged. For long-term storage, it’s best to keep them at around a 40% charge to prevent degradation of the battery’s capacity.

Manufacturer recommendations

Each battery manufacturer may have specific recommendations for storing their batteries. It’s important to follow these guidelines to ensure the longest possible lifespan for your batteries.


In conclusion, the lifespan of a battery in storage can vary depending on the type of battery, storage conditions, and how it is maintained. By understanding these factors and following best practices for storage, you can help extend the lifespan of your batteries and ensure they perform optimally when you need them.

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