Universal Li-ion 1S Battery Charger The Li-ion Single Cell Universal Battery Charger. This is a lightweight and compact charging solution for 3.7V 18650, 16340, 14500, 17670 Li-ion batteries. Its universal AC input makes it convenient for use in different voltage standards across the world. With its fast and efficient charging performance, this charger is an excellent choice for travelers or anyone needing to charge their batteries on-the-go. This charger can be used to charge 3.7v 18650, 16340, 14500, 17670 Li-ion Batteries. Features: Home Travel Wall AC Multifunctional Universal Battery Charger Automatically stops when charging is complete Red & Orange LED when charging, full of turns green, auto stop charging Designed to charge your batteries quickly and safely Wide range charging voltage Designed for single cell Li-ion batteries with a 4.2V output PACKAGE INCLUDES: 1 X Universal Li-ion 1S Battery Charger