About the AOHAI 4kw Off-grid Hybrid Inverter
The AOHAI 4kW Off-grid Hybrid Inverter is a versatile and efficient energy solution designed for residential and small commercial applications. It seamlessly integrates solar power, battery storage, and backup generators to provide a reliable off-grid power supply.
Detailed Features
- High Efficiency:
- Achieves a maximum efficiency of 97.6%, ensuring optimal energy conversion from solar panels to usable power.
- Single MPPT Design:
- Equipped with 1 Maximum Power Point Trackers (MPPTs), allowing for flexible solar panel configurations and maximizing energy harvest.
- Parallel Connection:
- Parallel connection with up to 9 Units
- Faster On/Off-grid Switching:
- UPS-level switching time: 10ms
- Flexible Battery Compatibility:
- Supports both lithium-ion and lead-acid batteries, with a voltage range of 42–60V.
- Features smart battery activation for lithium batteries, enhancing system responsiveness.
- Efficient Battery Charge/Discharge:
- Max.120A charge current
- Max. 137A discharge current
- Support Independent Grid/Generator Input:
- Dual AC inputs and integrated grid-generator switching system.
- Remote Monitoring:
- Built-in Wi-Fi module for HailPower App monitoring
- Robust Protection Features:
- Includes anti-islanding protection, short circuit protection, residual current device (RCD), reverse polarity protection, surge protection, ground fault monitoring, and grid monitoring to ensure system safety and longevity.
- User-Friendly Interface:
- Features an LCD display for real-time monitoring and supports communication interfaces such as RS485, USB, and WLAN for remote management.
- Durable and Reliable:
- Designed with an IP65 protection class, making it suitable for various environmental conditions.
- Operates within a temperature range of -25°C to +60°C and supports altitudes up to 4000 meters.
Technical Specifications
- Model Number: AO-4KSL-G2
- Rated Power: 4 kW
- Max. DC Power: 4.6 kW
- Max. PV Input Power: 4400W
- Max. Input Voltage: 550V
- Start-up Voltage: 120V
- MPPT Voltage Range: 90V~450V
- Max. Input Current per MPTT: 18A
- Max. Short Circuit Current Per MPTT: 23A
- Number of MPTT: 1
- 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. Discharge Current: 137A
- Max. Charge/Discharge Power: 3300W
- Li-Ion Battery Communication: CAN/RS485
- Peak Efficiency: 94%
- MPTT Efficiency: >99.9%
- Communication Interface: RS485/USB/CAN/Wi-Fi
Applications
- Residential Homes: Provides reliable off-grid power solutions for households, ensuring uninterrupted electricity supply.
- Small Commercial Establishments: Ideal for small businesses requiring a stable and efficient power source independent of the grid.
- Remote Areas: Suitable for locations with limited or no access to the main power grid, offering a sustainable energy alternative.
- Backup Power Systems: Functions as a dependable backup power source during grid outages, maintaining essential operations.
