Item Type: Solar Charge Controller <br>Model: LD3024U <br>Material: ABS <br>Application: Suitable for home, industry, commerce, etc. <br>System Voltage: 12V/24V <br>Maximum Photovoltaic Voltage: 50V <br>Maximum Photovoltaic Input Power: 390W (12V); 780W (24V) <br>Rated Current: 30A <br>Maximum Solar Input: Maximum 23V when using 12V battery. Maximum 46V at 24V battery. <br>Standby Current: <12mA <br>Working Temperature: -35 - +60℃<br>1、This built-in industrial microcontroller enables full 4-stage PWM charging management. <br>2、The LCD display screen with power-off memory function makes it easier to adjust charge and discharge parameters. <br>3、The screen has a backlight, and the backlight will automatically turn off after no operation in about 5S. <br>4、The maximum current is 2.5A, dual USB output, supporting for iPhone charging. <br>5、Has short circuit protection, open circuit protection, reverse protection and overload protection.1. Before the first time installing, please make sure your battery has enough voltage so that the controller can recognize the battery type. <br>2. The battery cable should be as short as possible to reduce losses. <br>3. This regulator is only suitable for lead?acid batteries, including open type, AGM, GEL, not for nickel metal hydride, lithium ion or other batteries. <br>4. The charging regulator is only suitable for regulating solar battery packs, do not connect other charging sources to the charging regulator.<p>1 x Solar Charge Controller</p><p>1 x User Manual</p>