If 50% battery level is recommended for long term storage, how much are AA/AAA battery charged to?
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For long-term storage, it is generally recommended to store batteries at a 50% charge level. This is because storing batteries at a full charge level can lead to a condition called “memory effect,” where the battery loses its ability to hold a full charge over time. Storing batteries at a low charge level can also cause them to lose their charge faster.
For alkaline batteries, like AA and AAA, it is common to store them in a cool and dry place, between 40-50% charge level. It’s also important to note that alkaline batteries have a shelf life of 5-10 years and after that, they will lose their charge capacity.
When it comes to rechargeable batteries, like nickel-cadmium (NiCad) or nickel-metal-hydride (NiMH) the recommended storage is also at 50% charge level. For those batteries, it’s important to store them in a cool and dry place, as high temperatures can cause the battery to degrade faster.
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