Simple Guidelines For Storing Batteries

- Feb 25, 2017-

· Primary batteries store well. Alkaline and primary lithium batteries can be stored for 10 years with moderate loss capacity.

· When storing, remove the battery from the equipment and place in a dry and cool place.

· Avoid freezing. Batteries freeze more easily if kept in discharged state.

· Charge lead acid before storing and monitor the voltage or specific gravity frequently; apply a charge if below 2.07V/cell or if  SG is below 1.225 (most starter batteries).

· Nickel-based batteries can be stored for 3–5years, even at zero voltage; prime before use. 

· Lithium-ion must be stored in a charged state, ideally at 40 percent. This prevents the battery from dropping below 2.50V/cell, triggering sleep mode.

· Discard Li-ion if kept below 2.00/V/cell for more than a week. Also discard if the voltage does not recover normally after storage. 

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