... /380v 3. both off/on-grid 4. safe,portable,easy install 5. 25years output 2000W Off-grid Home Solar Power System 1. solar system ... ,portable,easy install5. 25years output 1) Solar panel: 2000 W( 250W×8) poly silicon solar panel Converting efficiency≥ 16% poly-crystalline silicon ... for loadse.g.: lights, TV, electrical heaters etc. DC220V/380V,2KW Home Solar Power System