<p>Use LCD to display all parameters, rich content, intuitive understanding of system operation; Built-in energy-saving backlight, better display effect, more power saving,</p> <p>With switching power supply regulated output DC12V and USB5V output, can be used for DC lighting and mobile phone charging; With output switch, intelligent control, easy operation;</p> <p>The system power supply uses switching power supply, which reduces the static working current; temperature detection circuit, with high-precision temperature compensation;</p> <p>Exposed terminal, wiring is more convenient, and series has a large metal shell; Use single-chip control to make the controller intelligent, adaptable, and reliable;</p> <p>Use WPC control based on PWM upgrade to greatly improve system efficiency and extend battery life;</p> <p>Protection function</p> <p>1. Overload protection</p> <p>2. Short circuit protection</p> <p>3. Rupture protection</p> <p>4. Undervoltage protection</p> <p>5. Overcharge protection</p> <p>6. Reverse connection protection</p> <p>Due to different For batches, there may be differences in product appearance, color, and printed text, which will not affect the use.</p> <p>Specifications: 20A</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1x Solar Charge Controller</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>