Should Lithium Batteries Be Stored Fully Charged. If you will not use it for a long time please charge it fully before storing. Lithium-ion batteries should never be fully discharged if possible.

If you will not use it for a long time please charge it fully before storing. If the battery is idle for a long time it is recommended that you charge the battery once a month to maintain the lithium-ion battery. What Voltage Should I Charge A Lithium-ion Battery.
The worst thing that can happen to a lithium-ion battery is to have a full charge and be subjected to elevated temperatures.
During the winter months it is easy to forget to charge your batteries. The worst thing that can happen to a lithium-ion battery is to have a full charge and be subjected to elevated temperatures. Please ensure that you only use a charging adapter that matches the supported charging range of your vape kit. Click to see full answer.

