Features:Worldwide voltage for AC 100-240V (50Hz~60Hz) input.Two independent charging channels for individual charging and detection.Constant current and constant voltage charging mode.Use for LiFePO4 18500 / 18650 / 14500/RCR123A batteries.LED lights indicator.*DC input cable is NOT included.Includes:Tenergy LiFePO4 18500/18650/14500/RCR123A Battery Fast Charger.Instruction manual.Retail box packaging.Specifications:Rated input voltageAC 100V - AC 240V (50Hz/60Hz) 200mA MaxDC 12V - 24V 1A MaxOutput voltage3.65V 500mA x 2Weight166gDimension134mm x 55mm x 30mmNormal use temperature0℃ to 40℃Storage temperature-10℃ to 70℃Charging directionLED is red when charging, turn to green when full.Over voltage protectionYesOver current protectionYesShort circuit protectionYesReverse polarity protectionYes