This Sorotec Revo VM IV series is a 4kW solar inverter that comes with both off-grid and on-grid functions. It features pure sine wave MPPT technology, high input voltage range and advanced battery management. It converts DC electricity from solar panels into AC electricity that can be used to run internal electronics. Off-Grid & On-Grid Operation: Works with both off-grid and grid-connected solar systems, giving you greater flexibility in how you use solar energy. Pure Sine Wave Output: Produces clean and stable electricity that is safe for sensitive devices such as computers, TVs, refrigerators, and medical equipment. MPPT Solar Charging Technology: Automatically finds the best operating point of your solar panels to maximize energy production and improve charging efficiency. Dual Output for Smart Load Management: Lets you connect ...