Upgraded 800W Solar Panel Tester Photovoltaic Multimeter, Troubleshooting Tool with Smart MPPT Display, Measuring Range (5~800W, 20~120V, 0~60A) for Solar PV Panel Testing Enhanced PV Tester: The 800W Solar Panel Tester can measure solar panels with output power ranging from 5W to 800W(800W is 5W-800W), voltages from 20V to 120V, and currents up to 60A. This makes it suitable for a wide range of solar applications, including residential and commercial systems. Double Voltage Range: The PV Panel Tester's voltage range is upgraded to 20V to 120V, supporting series-connected solar panels below this limit, making it ideal for more complex PV systems. Clear LCD Display: The tester features a large, easy-to-read OLED LCD screen that clearly displays measurements even in direct sunlight, ensuring accurate data during testing. Multiple Safety Protections: Equipped with overvoltage, overheating, overcurrent, and reverse polarity protection, the tester ensures safe operation. It also requires no batteries - just connect to the solar panel and testing. Compact Design: Weighing only 460 grams and housed in a EVA box, this tester is and easy to carry. It comes with and alligator clip cables for use with a variety of solar installations. Switch between automatic and manual modes; It has over temperature, over voltage, and over current protection; Reverse connection protection for photovoltaic panels Over rated power protection No additional power supply required. Automatic MPPT detection: When the automatic test button is pressed, the instrument automatically adjusts the test interval time according to the current power value and refreshes the display (at 100W, the display refreshes every 5 seconds, and at 300W, it refreshes every 15 seconds). Manual MPPT detection:When the manual t button is pressed, the instrument starts a maximum power point scan and refreshes the display. Specifications: 800W Color: As Shown Material: plastic Package Contents: 1 * Solar Panel Tester 1 * cable 1 * storage bag Only the above package content, other products are not included. 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.