The cost-efficient Efest PRO C4 charger designed by Efest is a four bay charger powered by a AC wall plug and can charge four batteries at 1A each at the same time. The LED indicator light is red when your battery is charging and turns green when the battery is fully charged. The Efest PRO C4 Charger can charge different types of 3.6V/3.7V lithium batteries.
Springs made by piano wire, it provides a smooth sliding action when installing and removing batteries
Fast charging mode: 1.0A
Fit to 3.6V or 3.7V Lithium batteries in different size