Main Features:<br />Adjusts the charging current and decides whether supply power to the load or not.<br />Prevents the battery from over-charging and over-discharging.<br />Prevents the battery from supplying power to solar panels during nights.<br />It will automatically cut off the load from the system when the battery voltage is low.<br />Can automatically set charge-off voltage according to the battery voltage grade.<br />It has thunder protection then don't need to worry the thunderstorm.<br /><br />    Specifications<br />Dimension and Weight<br />  Product weight   : 0.105 kg                                                  <br />                        Package weight   : 0.190 kg                                                  <br />                        Product size (L x W x H)  : 13.2 x 7 x 3 cm / 5.19 x 2.75 x 1.18 inches                                                  <br />                        Package size (L x W x H)  : 14.5 x 8 x 4 cm / 5.70 x 3.14 x 1.57 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Solar Charge Controller， 1 x English User Manual                                                 <br /><br /><br /><br />                                                                                            <br />