Features: <br>1. Adopt industrial micro controller, charge and discharge parameters can be adjusted. <br>2. Full 3-stage PWM charge management. <br>3. Built-in a variety of protection functions including overcurrent, short circuit, open circuit, reverse connection, etc. <br>4. Large screen LCD display with backlight. <br>5. Dual MOSFET reverse current protection, low heating production. <br> <br>Specification: <br>Model (Optional) YJSS-10A YJSS-20A <br>YJSS-30A <br> <br>Batt Voltage 12V/24V self-adapting <br>Charge Current 10A 20A 30A <br>Discharge Current 10A 10A 10A <br>Max Solar Input <41V <br>Equalization B01 sealed B20 Gel B03 flood <br>14.4V 14.2V 14.6V <br>Floating Charge 13.7V (default, 12.7-15V adjustable) <br> <br>Discharge Stop 10.7V (default, 9-11.3V adjustable) <br>Discharge Reconnect <br>12.6V (default, 11.5-13V adjustable) <br>Standby Current <br><10mA <br> <br>USB Output 5V/2A Max <br>Operating Temperature -35~60℃ <br>Size 133*70*35mm / 5.2*2.7*1.3in <br>Weight Approx. 148g / 5.2oz <br> <br>Tips: All red voltage is only for 12V system, please double it while using 24V system. <br> <br>Package list: <br>1 * Solar Charge Controller <br>1 * Manual <br> <br>Note: <br>1. The regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL. Not suitable for NiMH, Li-ion or other batteries. <br>2. Make sure your battery has enough voltage for the controller to recognize the battery type before first installation. <br>3. The battery cable should be as short as possible to minimize loss. <br>4. The charge controller is only suitable for regulating solar modules. Never connect another charging source to it. <br>5. The controller will be hot when running. Please install it in a well ventilated place.<br>1、Adopt industrial micro controller, charge and discharge parameters can be adjusted. <br>2、Full 3-stage PWM charge management. <br>3、Built-in a variety of protection functions including overcurrent, short circuit, open circuit, reverse connection, etc. <br>4、Large screen LCD display with backlight. <br>5、Dual MOSFET reverse current protection, low heating production.