There’s nothing more important than battery safety at NYKecigs. Many vape devices have external batteries usually a 18650 size that fit into a single or dual battery mod. The most common and easiest method many vapors charge there devices are via a USB. This is possibly the worst method to charge the devices especially if you leave it overnight.
Problems that can occur when charging via a USB to mention a few would be; unbalanced batteries, overheating, kills battery cells and possible fire hazards.
Using an external battery chargers instead of the Mods built-in option is highly recommended as it can significantly increase the life of your Mods and batteries, above all it is the safest method for charging.
