Fangpusun Xtender series pure sine wave inverters and FLEXmax solar charge controller series provide an unparalleled complete system integration combination in photovoltaic home application systems. You need efficient, high-performance, and multi-functional home power systems. Sometimes I feel frustrated about the sudden interruption of the grid, right? Fangpusun has decades of experience in off-grid and backup power supplies and has been favoured by countries all over the world. For those who want to buy off-grid inverters and solar charge controls, this choice cannot be more appropriate.