1、Large LCD screen can display charging and discharging current, cumulative power generation and discharge power query, etc. 2、Has protection against over-current, short-circuit, open-circuit and reverse connection, all of which are self-recovery without damaging the controller. 3、Dual USB output, enables a maximum current up to 5A, and also supports for iPhone charging. 4、Has a complete 3-stage charging management, making the charging control more convenient and efficient. 5、Using industrial-grade main control chip, anti-backflow circuit, ultra-low heat generation. 1 x Solar Charge Controller1 x User Manual Item Type: Solar Charge ControllerMaterial: PlasticApplication: Suitable for small solar systems for households, industries, and commerce. System Voltage: 12V/24VMaximum Photovoltaic Voltage: 23V for 12V battery; 46V for 24V battery. Boost Charging Voltage: 14.4VFloating Charging Voltage: 13.7V (default value, adjustable)Discharge Cut-Off Voltage: 10.7V (default value, adjustable)Discharge Recovery Voltage: 12.6V (default value, adjustable)Charging Recovery Voltage: 13VLigHt-Controlled Turn-On Threshold: PV Panel 8V (light-controlled turn-on has a delay)Light-Controlled Turn-Off Threshold: PV Panel 8V (light-controlled turn-off has a delay)USB Output: 2 USB outputs, 5V/ 2.5A (maximum). Standby Current: <10mAWorking Temperature -35 ~ 60℃