You can use the following checklist when storing lithium ion batteries:
- Wear protective gear before starting storage to keep you safe from chemical leaks.
- Carefully remove the battery to avoid damaging it.
- Charge the battery to either maximum voltage or at least 50%.
- Insulate the terminals using plastic or electrical tape.
- Store the battery in a fireproof container or bag such as the Model BG-L.
- Check the temperature to ensure it’s conducive for storage.
- Ascertain that the storage container or bag is dry and well-ventilated.