Nitecore are an electronics company specializing in chargers. Nitecore aren’t specifically a vape company rather they do various electronics from power banks to car battery chargers they also produce various different torches for different needs and photography accessories such as camera batteries however the main thing that will interest a vaper is the i4 Battery Charger, this is a quad slot battery charger that takes 18650mah, 21700mah and 20700mah batteries. The i4 has Nitecore’s charging acceleration meaning one slot can charge up to 1000mA.