Specifications:BrandASTROLUXModelSC01Charging interfaceType-CCompatible Battery Types3.6V/3.7V/ Li-ion/IMR/INR/ICR(Longest 75cm): 18650,20700,21700,22700,26650,26700……Astrolux SC01 born for Li-ion battery fast charging.Note: please make sure the cells you charge are capable of fast charging.Charging..