... off/on-grid 4. safe,portable,easy install 5. 25years output 1000W Off-grid Home Solar Power System 1. solar system ... /380v3. both off/on-grid4. safe,portable,easy install5. 25years output 1) Solar panel: 1000 W( 250W×4 poly silicon solar ... DC electrical tools, lamps, digital equipmentsInverter 4000wattAC output-50/60HzInverted output of pure sine waveRated output power 1000W for loadse.g.: lights, TV ...