Oger Pv Inverter Oger Pv Inverter Home / Products / OPIN 1200/2000 MPPT OFF-Grid INVERTER Key Features Simulated Sine Wave OutputNarrow/Wide Input Range SelectionBuild-in AC ChargerCold Start FunctionOverload and Short Circuit Protection OPIN 1200/2000 Spec OPIN 1200-2000 Download Spec OPIN-1200-2000 (pdf) Download OPIN 4000/6000 MPPT OFF-Grid INVERTER Key Features Build-in AC Charger Generator Compatible Cold Start Function Reserve BMS Communication Priority Setting of Power Source (PV/Utility/Battery) Build in Anti-Dust Kit Built-in MPPT Solar Charger Up to 8000W for 6K Model Optional Parallel Operation Up to 9 Units OPIN 4000/6000 Spec OPIN 4000/6000 Download Spec OPIN-4000-6000 (pdf) Download