Description | Exeltech xp series are lightweight, high-performance, pure sine wave inverters that operate any type of load. All models are 120 vac, 60 hz. 85% efficiency, 100 percent solid state. These inverters include protection circuitry for over and under voltage, over temperature and short circuits. Ul listed. Painted aluminum finish and a full 1-year parts and labor warranty | Pure sine wave output, local load consumption and export to grid, 1 can be programmed supply priority for solar, battery or grid, 1 user-adjustable charging current and voltage, 1 programmable multiple operation modes like on-grid, off-grid and grid-tie with battery backup, parallel operation up to 6 units only for 10 kw models (optional), optimum utilization of solar energy to charge the batteries & load in the event of power failure |