How to store a Li-ion battery?
To store a Globalmediapro Li-ion battery, it's recommended to charge the battery to around 40% capacity. You should also check stored batteries every few months and recharge them to 40% capacity if needed.
If a Li-ion battery is stored without charge for an extended period of time, the battery cells can permanently lose their capacity.
Long-term storage specifications
Storage temperature : -20 to +25 oC (-4 to +77 oF)
Storage barometric pressure : 86 to 106 kPa (645 to 795 mmhg)
Storage humidity : 45% to 75%