SAJ H2 8kW Low-Voltage Hybrid Solar Inverter
The SAJ H2-8K-LT2-LV 8kW Hybrid Inverter is designed to intelligently manage solar generation, battery storage, grid electricity, generator power, and electrical loads through one integrated system.
Its three-phase output and high battery-current capacity make it suitable for larger homes, offices, shops, and small commercial installations.
Up to 16kW Solar-Array Support
The inverter supports a recommended PV array capacity of up to 16kW and maximum usable PV input power of 12.8kW.
Dual MPPT trackers improve solar harvesting across different panel orientations and changing sunlight conditions. A broad MPPT range supports flexible solar-system design.
210A Battery Charge and Discharge
The SAJ H2 8kW works with 40–60V LiFePO4 and lead-acid batteries.
Its maximum battery charging and discharging current of 210A supports fast charging, strong backup performance, and efficient use of larger low-voltage battery banks.
Fast Whole-Home Backup
The inverter provides up to 8kVA backup output and supports twice its rated output for up to 10 seconds when operating off-grid.
A switching time below 10 milliseconds helps protect important appliances from noticeable interruption during grid failures.
Smart Energy Management
The integrated energy-management system can coordinate:
- Solar generation
- Battery storage
- Grid electricity
- Generator input
- Heat pumps
- Smart loads
- Essential backup circuits
Users can prioritize battery reserves and manage power according to household or business requirements.
Scalable Parallel Operation
Up to 10 compatible units can operate in parallel in on-grid and off-grid configurations, making the system suitable for expanding energy requirements.
Built for Demanding Conditions
The inverter includes an IP66 enclosure, smart cooling, comprehensive electrical protection, and reliable operation across a wide temperature range.
Key Features
- 8kW rated three-phase AC output
- Maximum 8.8kVA on-grid apparent power
- Recommended PV array capacity up to 16kW
- Maximum usable PV input power of 12.8kW
- 1000V maximum PV input voltage
- Dual MPPT technology
- 20A maximum PV input current per MPPT
- 40–60V battery operating range
- LiFePO4 and lead-acid battery compatibility
- Maximum 210A charging and discharging
- Two battery inputs
- 63A bypass support
- Less than 10ms backup switching
- Twice-rated off-grid output for 10 seconds
- Generator and heat-pump integration
- Intelligent smart-load control
- Up to 10 units in parallel
- 98% maximum efficiency
- IP66 weather protection
- LED and LCD interface
- CAN and RS485 communication
Technical Specifications
| Specification | Details |
|---|---|
| Model | H2-8K-LT2-LV |
| Inverter type | Three-phase low-voltage hybrid inverter |
| Rated AC output | 8kW |
| Maximum apparent output | 8.8kVA |
| Rated output voltage | 127/220V |
| Rated output current | 21A |
| Maximum output current | 23.1A |
| Maximum PV array | 16kW |
| Maximum usable PV input | 12.8kW |
| Maximum PV voltage | 1000V |
| MPPT voltage range | 160–950V |
| Start-up voltage | 150V |
| Number of MPPT trackers | 2 |
| Maximum PV input current | 20A / 20A |
| Maximum short-circuit current | 25A / 25A |
| Battery type | LiFePO4 or lead-acid |
| Battery voltage range | 40–60V |
| Maximum battery current | 210A |
| Battery inputs | 2 |
| Backup output | 8kVA |
| Maximum backup current | 21A |
| Backup switching time | Less than 10ms |
| Peak off-grid output | 200% for 10 seconds |
| Bypass current | 63A |
| Maximum efficiency | 98% |
| European efficiency | 97.5% |
| Protection rating | IP66 |
| Operating temperature | -30°C to 65°C |
| Noise level | Less than 45dB |
| Dimensions | 470 × 740 × 270mm |
| Weight | Approximately 53kg |
| Communication | CAN, RS485; optional Wi-Fi, LAN, and 4G |








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