Solar controller for PV systems， coordination of solar panels， batteries and work load， is a very important photovoltaic system component. It makes the whole solar system work efficiently and safely.<br /><br />Features:<br />Using a single chip and special software to achieve the intelligent control.<br />Fully automatic operation， PWM charge mode to assure the battery at its best state.<br />Suitable for all 12/24V DC lamps.<br />Press the setting to activate the mode display(dual digital display).<br />Short-circuit/over-load/over-charge/over-discharge/reverse polarity/reverse current protection， automatic control and so on.<br />Accurate temperature compensation function.<br /><br />Specifications:<br />Color: Black<br />Material: Plastic<br />Rated Load Current: 10A / 15A / 20A / 25A(Optional)<br />Rated Voltage: 12/24V Auto<br />Max. Solar Panel Voltage: 40V<br />Equalize Charging Voltage: 14.8V<br />Bulk Charging Voltage: 14.2V<br />Acceptance Voltage(PWM): 14.2V<br />Float Charging Voltage: 13.8V<br />Charge Return Voltage: 13.2V<br />Discharge Stop Voltage: 11.2V<br />Discharge Return Voltage: 12.6V<br />Over Charge Current(V): 13.7V; *2 24V<br />Over Discharge Current(V): 10.5-11V; *2 24V<br />No Load Loss: &lt;6mA<br />Temperature Compensation: -4mv/&deg;C/2V<br />Operating Temperature: -35~55&deg;C<br />Item Size: 14.2 * 8 * 3.3cm / 5.6 * 3.15 * 1.3in<br />Item Weight: 203g / 7.16oz<br />Package Size: 17 * 10 * 4.3cm / 6.7 * 3.94 * 1.7in<br />Package Weight: 259g / 9.14oz<br /><br />Note:<br />Please connect battery firstly， then solar panel， and finally DC load.<br /><br />Package List:<br />1 * Solar Charge Controller<br />1 * User Manual (English)<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-AxyU.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-dtYU.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-1zQr.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-4OoJ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-HQa2.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-JqVk.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-s7Ke.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-lzDQ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-z65j.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-xz72.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-eW9C.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-gDVU.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H17156-1/H17156-1-1-21c6-rDFR.jpg" /><br>