How to Store Battery

Leave the battery in the manufacturer’s packaging if possible. Storing batteries in their original packaging will help protect them from environmental factors such as moisture. At the same time, you will not be confused between new and full batteries with old batteries and avoid contacting the battery terminals with other metals.

Sort batteries based on type and age. Batteries of different origin or origin may react with each other, resulting in leakage or damage. If you want to store disposable (non-rechargeable) batteries, you should avoid keeping new and used batteries together. ^[1] It is best to store batteries in different boxes. If you want to put the batteries in the same box, you need to put each type of battery in a separate bubble bag.

Check the charge level on the rechargeable battery. Many rechargeable batteries will permanently damage themselves if left in a discharged state for too long. The ideal charge level depends on the battery technology:

Store batteries at room temperature or below room temperature. In general, just a cool room and no direct sunlight is enough. Even in places where the temperature is quite warm, around 25ºC, a typical battery will only lose a few percent of its capacity per year. Storing batteries in the refrigerator (or anywhere where the temperature is between 1–15ºC) requires some tweaking of those places, however such storage is not necessary unless you have no option. Choose whichever is better or want to maintain maximum battery performance. Many people do not choose to store the battery in the refrigerator because of the risk of water damage and the inconvenience of having to wait for the battery to warm up before using it. ^{[6] [7]}

• Do not put batteries in the freezer unless recommended by the manufacturer. ^[8]
  Traditional nickel-based batteries lose power very quickly even at low temperatures. They charge faster in cooler temperatures, but no less than 10°C for consumer grade chargers. ^[9]
  NiMH LSD (Low Self-Discharge) batteries are designed to maintain charge at room temperature.

Humidity control. Keep the battery in an airtight container if storing in an environment with high humidity or danger of condensation (including in the refrigerator). Alkaline batteries can be safely stored in moderate humidity conditions (35 to 65%). ^[10] Most other batteries need to be stored in a drier environment. ^[11]

Prevent electrical conduction. The battery will begin to conduct electricity if it comes into contact with metal. This will cause the battery to drain quickly and generate heat. You can refer to the steps below to prevent this problem and reduce the risk of fire: ^{[12] [13]}

• Do not store the battery in a metal case, use a sealed plastic container or a dedicated battery case.
• Do not store coins or other metal objects in the battery case.
• Arrange carefully so that the positive terminal of the battery does not come into contact with the negative terminal of another battery, otherwise cover the battery terminals with paper tape or plastic wrap.