Efan NC2 2-Bay Charger Specifications: NC2 Dual Bay Charger Composed of Flame Retardant Materials Integrated Display Battery Power Charging Status Can Revive Dead Batteries Automatic Cutoff at 4.2V Maximum Charge Rate 1A Charging Compatible with Li-ion Batteries Auto Current Selection Small 14500 to Large 26700 Batteries Integrated Protections Reverse Connection, Short Circuit, Overcharge, Over Discharge, Over Current Compact Size 59mm by 109mm