The Nitecore Q2 2A Quick Universal Battery Charger is an intelligent charger capable of producing a 2000mAh (2A) charging output with accurate and consistent battery monitoring. The Nitecore Q2 is fast charging with auto-select speed between 1.0A and 2.0A. The LED indicator light is intuitive, notifying users when batteries are in charging status and turns green when the battery is fully charged with auto-stop functionality. A full, sophisticated protection suite provides safety to abnormal conditions, with a standalone hardware circuit. Furthermore, it is offered in a plethora of color options and can accommodates today's most popular vape batteries sizes such as 18650, 20700, and 26650.