<p>1. Made of high-quality materials, sturdy and </p> <p>2. All potentiometers can be adjusted manually without a screwdriver</p> <p>3. The chip has enhanced heat dissipation, is reliable and stable, and has high power.</p> <p>4. MPPT adjustment voltage is displayed in real time, clear at a glance</p> <p>5. Wide range of uses, solar charging, lithium battery charging, LED constant current drive</p> <p>Input voltage range:DC6-80v</p> <p>Output voltage range:DC1.3-78V</p> <p>Voltage display range:1.40-80.00V (accuracy +0.1V)</p> <p>Output current adjustment range:0-30A</p> <p>Current display range:0.00A-30.00A (accuracy +0.03A or so)</p> <p>Adjustment knob:MPPT voltage adjustment, output voltage adjustment, current limit adjustment</p> <p>MPPT function:Yes</p> <p>Anti-backflow:When exposed to sunlight without insufficient charging current, the battery will not burn due to backflow</p> <p>Return current is 0.5-40mA. It is recommended to connect a diode when charging.</p> <p>Constant current (current limiting):yes</p> <p>Over-power protection:700W, the output is turned off when the power is exceeded and 0PP is displayed.</p> <p>Type:Without Display</p> <p>Colour:Black</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * Automatic step-up and step-down power supply module</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>