?This controller is a kind of intelligent£¬ multi-purpose solar charge and discharge controller. These series products adopt LCD display£¬ which makes the operation on the interface rather convenient. All the controlling parameters can be reset flexibly to satisfy your different needs.<br> <br> Features:<br> LCD display£¬ brief key operation£¬ very convenient.<br> PWM battery charging mode.<br> Automatic indentification system voltage level£¬ automatic temperature compensation.<br> Adjustable charge-discharge control parameters£¬ settable operating modes of loads.<br> Over-load/short-circuit protection£¬ battery reverse-discharge/reverse connection protection.<br> Battery low voltage disconnection.<br> DC 12V and USB 5V.<br> Accumulated function of charge and discharge ampere hours.<br> Suitable for street and pathway lighting£¬ parking area£¬ bus station£¬ etc.<br> <br> Specifications:<br> Color: Black<br> Material: Plastic<br> Rated Voltage: 12V / 24V Automatic<br> Rated Current: 30A / 50A (Optional)<br> Voltage of Solar Panels: ¡Ü50V<br> Float Charging Voltage: 13.7V / 27.4V<br> Low Voltage Protection: 10.7V /21.4V<br> Low Voltage Recovery: 12.6V / 25.2V<br> No Load Loss: ¡Ü10mA<br> Loop Voltage Drop: ¡Ü170mV<br> Temperature Compensation: -4mV/Cell/¡ãC<br> Working Temperature: -20~60¡ãC<br> Storage Temperature: 30~70¡ãC<br> Humidity: ¡Ü90%£¬ no condensation<br> Item Size:<br> 30A: 185 * 90 * 45mm / 7.28 * 3.54 * 1.77in<br> 50A: 185 * 125 * 60mm / 7.28 * 4.92 * 2.36in<br> Item Weight: 30A: 404g / 14.26oz; 50A: 632g / 22.32oz<br> Package Size:<br> 30A: 20 * 10.5 * 6cm / 7.87 * 4.13 * 2.36in<br> 50A: 21 * 15 * 9cm / 8.3 * 5.9 * 3.54in<br> Package Weight: 30A: 509g / 17.97oz; 50A: 809g / 28.53oz<br> <br> Package List:<br> 1 * Solar Charge Controller<br> 2 * DC Cable<br> 1 * Temperature Probe<br> 1 * User Manual(English)<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>