Over-load protection
<br />  Protection from the lightning strike
<br />  Short circuit protection
<br />  Under-voltage protection
<br />  Over-charging protection
<br />  Specifications:
<br />  Rated Voltage: 12V or 24V
<br />  Rated Charging Current: 20A
<br />  Rated Load Current: 20A
<br />  Working Temperature: -20 - +60&#x2103;
<br />  Dimension (L x W x H): Approx. 103 x 95 x 40 mm
<br />  Package Includes:
<br />  1 x 20A solar charge controller