About the AOHAI 3kw Off-Grid InverterThe AOHAI 3kw Off-Grid Inverter is a purpose-built power conversion system designed for stand-alone energy solutions, where grid connection is unavailable, unreliable, or intentionally avoided. This inverter converts DC power from batteries and solar PV arrays into clean, stable AC power to run household appliances, tools, and electronics. It’s ideal for off-grid homes, cabins, farms, remote sites, and backup power systems needing reliable performance and smart energy management.Detailed Features3 kW Nominal OutputRated continuous output power of 3000 W, providing ample capacity for essential household loads or small off-grid systems. Produces pure sine wave AC output (230 V / 50 Hz) for compatibility with sensitive electronics and modern appliances. Solar & Battery IntegrationDesigned to work with battery banks (24 V or 48 V systems) and can connect with solar PV via external solar charge controller or MPPT charge devices depending on configuration. Supports efficient power conversion from solar battery for off-grid energy independence. Maximum Power Point Tracking (MPPT)Equipped with at least one MPPT input (depending on model series), optimizing solar energy harvest and increasing overall system performance. MPPT continuously seeks the best operating point for PV panels to maximize DC input and charging efficiency Battery Charging & Load SupportCapable of handling high DC charge/discharge currents (e.g., up to ~120–137 A) when paired with suitable battery storage, allowing fast recharge and high sustained load support. Fast Switching & Backup SupportOffers rapid transfer times (often in milliseconds) between power sources or battery standby, ensuring continuous electricity for critical loads such as lighting, refrigeration, and communications. Smart Monitoring & ControlMany AOHAI off-grid models include built-in Wi-Fi and remote monitoring, enabling users to view system performance via mobile apps or web platforms. Optional touchscreen or display (on newer variants like the G3 series) provides real-time data and intuitive control. Robust Safety ProtectionsIntegrated safety features such as anti-islanding, short circuit protection, RCD/earth fault monitoring, surge protection, and reverse polarity protection help safeguard equipment and users Durable ConstructionBuilt to withstand challenging off-grid environments, with a rugged enclosure and cooling design suitable for indoor or protected outdoor locations.Technical SpecificationsModel Number: FSD-3K1P-BL Max. PV Input Power: 4400W Max. input Voltage: 500V Start-up Voltage: 90V MPPT Voltage Range: 60V~450V Max. Input Current per MPTT: 18A Number of MPTT: 1 Max. Short Circuit Current Per MPTT: 23A Battery Type: Li-ion / Lead-acid Rated Power: 4 kW Max. DC Power: 4.6 kW Max. Short Circuit Current Per MPTT: 23A Max. Discharge Current: 137A Max. Charge/Discharge Power: 3000W Nominal Input Voltage: 230Vac, L/N/PE Input Voltage Range: 90~280Vac Max. Input Current: 35A Nominal Input Power: 8050W AC Frequency Range: 50/60 Hz (Auto sensing) Battery Type: Li-Ion/Lead-acid Nominal Voltage Range: 20~30V Max. Charge/Discharge Power: 3300W Li-Ion Battery Communication: CAN/RS485 Peak Efficiency: 94% MPTT Efficiency: >99.9% Number of AC Output: 2 Display: LCD & App Communication Interface: RS485/USB/CAN/Wi-Fi Parallel Capability: 9ApplicationsRemote Off-Grid Homes & Cabins: Perfect for locations without reliable grid access — including mountain homes, remote cabins, and eco retreats — providing consistent energy from solar battery power. Farms & Rural Installations: Supports agricultural needs like water pumps, lighting, and workshop tools in rural settings where grid lines may be distant or costly to extend. Backup & Load Shedding Support: When paired with a battery bank, the AOHAI off-grid inverter delivers dependable backup power during outages, load shedding, or unstable grid conditions. Recreational Vehicle (RV) & Mobile Use: Compact and powerful enough for RV systems, mobile homes, and off-grid trailers where independent power is critical.
