Automatically adapt to the ba-ttery voltage 12V/24V, making it possible to easy operation. This product control the ba-ttery voltage and turn on the circuit. Also, when the ba-ttery voltage rises to a certain level, it will stop the ba-ttery charg-ing.<br/>Features:<br />The solar charge controller equipped with dual USB ports, support 5V/2.5A max USB output.<br />This product provides short-circuit protection,open-circuit protection, reverse protection, overload protection.<br />Perfect and safe to use in various applications, such as home, industrial, commercial etc.<br />Solar controller can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration.<br />This product is perect for le-ad-acid batteries: OPEN, AGM, GEL, not suitable for nickel hydride, lithium ions, or other batteries.<br />Using PWM charge management, actually improve the charg-ing efficiency.<br />Adjustable floa-ting charge voltage, discharge stop voltage and discharge reconnect voltage.<br/>Specifications:<br />Material: ABS<br />Item color: blue &amp; black<br />Charge current: 10A, 20A, 30A, 40A, 50A, 60A (optional)<br />Charge reconnect: 13V<br />Self-consume: &#xff1c;10mA<br />USB output: 2 way USB output, 5V 2.5A<br />Operating temperature: -35~&#43;60℃<br />Item size: 125 * 84mm / 4.92 * 3.31 in<br />Item weight: 134g / 4.73 ounce<br />Package size: 135 * 80 * 40mm / 5.31 * 3.15 * 1.57 in<br />Package weight: 165g / 5.82 ounce<br/>Notes:<br />1. Make sure your ba-ttery has enough voltage for the controllers to recognize the ba-ttery type before installation.<br />2. The ba-ttery cable should be as short as possible to minimize loss.<br />3. The regulator is ONLY suitable for le-ad acid batteries: OPEN, AGM, GEL. (NOT suitable for nickel metal hydride, lithium ions or other batteries)<br />4. This controller can ONLY use photovoltaic panel as char-ging source, do NOT use D C or other po-wer su-pply as charg-ing source.<br/>Packing list:<br />1 * Solar Charge Controller