This solar system controller adopts the most advance digital techniques and operates fully automatically. The PWM battery charging can greatly increase the lifetime of your battery and has various unique functions and quite easy to use features.<br /><br />Features:<br />Use PWM charge mode， which can improve system efficiency and prolong the life span of the battery.<br />LCD display， USB 5V 2A output.<br />Clear charge state， dishcarge state and battery power display.<br />With high precision temperature compensation function.<br />Many protective functions: short-circuit， over-load， over-charge， over-discharge， etc.<br />Suitable for street and pathway lighting， parking area， bus station， etc.<br /><br />Specifications:<br />Color: Black<br />Material: Plastic<br />Rated Charge Voltage: 12V / 24V<br />Rated Charge/Discharge Current: 10A / 20A (Optional)<br />Over Discharge Voltage: 10.5V/21.0V<br />Discharge Recovery Voltage: 12.2V/24.4V<br />Voltage of Stop Charging: 14.7V/29.4V<br />LCD Display: Yes<br />Output Switch: Yes<br />USB Output: 5V 2A<br />Working Temperature: -20~60&deg;C<br />Temperature Compensation: -3mV/&deg;C/Cell<br />Item Size: 103 * 95 * 38mm / 4.05 * 3.74 * 1.5in (L * W * H)<br />Item Weight: 144g / 5.08oz<br />Package Size: 11.3 * 10 * 5.5cm / 4.45 * 3.94 * 2.16in (L * W * H)<br />Package Weight: 187g / 6.61oz<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/H16061-1/H16061-1-5-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-12-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-8-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-10-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-2-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-9-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-3-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-11-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-1-dfb3.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/H16061-1/H16061-1-7-dfb3.jpg" /><br>