<p>Professional solar charging</p> <p>Lithium battery charging</p> <p>LED constant current driver</p> <p>Trace point voltage visual adjustment</p> <p>Regulated power supply</p> <p>Input voltage range: range DC7-80V</p> <p>Output voltage range: DC1.4-79</p> <p>V voltage display range: 1.40-80.00V (accuracy +0.1V or so)</p> <p>Output current adjustment range: 0-20A</p> <p>Current display range: 0.00A-20.00A (accuracy +0.03A or so)</p> <p>Adjustment knob: MPPT voltage adjustment, output voltage adjustment, output current limit adjustment</p> <p>MPPT function: yes</p> <p>Anti-backflow: Yes, no need to string diodes to connect to the battery</p> <p>Constant current (current limiting): yes</p> <p>Over-power protection: 300W, the output will be turned off if the power is exceeded, and OPP will be displayed</p> <p>Model Number: Digital LCD Display Automatic Step up down</p> <p>Model Number: Automatic Step up down module</p> <p>Type: Voltage Regulator</p> <p>Type: Buck Boost Converter</p> <p>Product weight: 208g with display</p> <p>color:Black</p> <p>Material:PCB</p> <p>size:108 x 64 x 48mm</p> <p>Package Contents:</p> <p>1 x Buck Boost Converter with Digital LCD Display</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>