<p>Build-in industrial Micro-controller.</p> <p>Big LCD display,all adjustable parameter.</p> <p>Fully 4-stage PWM charge management.</p> <p>Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection.</p> <p>Dual mosfet Reverse current protection ,low heat production.</p> <p>Material: ABS</p> <p>colour: black + green</p> <p>Rated working voltage: 12V \/ 24V</p> <p>Rated working current: 30A</p> <p>USB output voltage: 5V</p> <p>DC output voltage: 12V</p> <p>Solar panel voltage: Less than equal 50V</p> <p>Float charge voltage: 13.7V \/ 27.4V</p> <p>Undervoltage protection: 10.5V \/ 21V</p> <p>Undervoltage recovery: 12.2V \/ 24.4V</p> <p>Features: No-load loss Less than equal 10mA</p> <p>Circuit step-down: Less than equal 170mV</p> <p>Temperature compensation: -4mV \/ Cell \/ Celsius ;</p> <p>Working environment: working temperature -20 Celsius ~ +60 Celsius </p> <p>Storage temperature: -30 Celsius ~ +70 Celsius </p> <p>Temperature requirement: Less than equal 90%</p> <p>No condensation: </p> <p>Installation hole wire number: Less than equal 7 # AWG (16mm2) \/ 3 # AWG (25mm2)</p> <p>Package Contents: </p> <p>1 x Solar Charge Controller</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>