The product can automatically manage the working of solar panel and battery in solar system. It is easy to set up and operate.<br /><br />Features:<br />Automatically manage the working of solar panel and battery in solar system.<br />Overloading &amp; short-circuit protection.<br />Reverse discharging &amp; reverse-polarity protection.<br />Under-voltage and over-charging protection.<br />Protection from lightning strike.<br />Prolong the battery life cycle and keep the load work well.<br />Easy to set up and operate.<br />Suitable for small solar energy system.<br /><br />Specification:<br />Color: Black<br />Rated voltage: 12V or 24V<br />Rated charging current: 10A<br />Rated load current: 10A<br />Voltage of stop power supply: 10.8V or 21.6V<br />Voltage of resume power supply: 11.8V or 23.6V<br />Voltage of stop charging: 14V or 28V<br />Working temperature: -20 ~ +60?<br />temperature coefficient of voltage stop charge: -3mV / ? / cell<br />Item size: 10.2 * 9.5 * 3.8cm / 4 * 3.7 * 1.5in<br />Item weight: 132g / 4.7oz<br />Package size: 11.5 * 10 * 4cm / 4.5 * 3.9 * 1.6in<br />Package weight: 136g / 4.8oz<br /><br />Package included:<br />1 * Solar charge controller<br />1 * User&#39;s manual<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-SpSj.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-ZXQi.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-Ydb8.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-45ms.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-AIb5.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-Q0nZ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/1/H9194-1/H9194-1-1-5e06-Yz58.jpg" /><br>