Inverters
High-efficiency solar inverters from top brands like Fronius, SMA, SolarEdge, GoodWe, and SAJ. Designed for reliability, smart monitoring, and seamless integration with PV systems
Inverters
Fronius Primo GEN24 & GEN24 Plus
The Fronius Primo GEN24 and GEN24 Plus inverters offer backup power options (PV Point or Full Backup), open interfaces for third-party integration, and active cooling for longevity.
With 97.6% max efficiency, battery-ready retrofits, and IP66 protection, they ensure energy independence for residential PV systems.
Key Features:
- Full Backup powers the entire home during outages (requires external components).
- 150% DC oversizing and 110% AC overloading for flexible PV array designs.
- BYD Battery-Box compatibility for nighttime energy use.
- Austria-made with 5-year warranty and SMA Smart Connected monitoring.
Inverters
SAJ R5 Series
The SAJ R5 series (3–8kW) features high-precision leakage monitoring, <25dB noise levels, and die-cast aluminum casing for durability.
With 98.3% max efficiency, dual MPPT tracking, and IP65 rating, it’s ideal for harsh environments.
Key Features:
- Lightning/surge protection and AFCI (optional) for safety.
- Bluetooth/Wi-Fi monitoring via SAJ app for real-time data.
- Transformerless design with <0.2W night consumption.
- Compliant with AS/NZS 4777.2 and CEI 0-21 standards.
Inverters
SolarEdge HD-Wave
SolarEdge’s single-phase inverters (3–11.4kW) pair with power optimizers for module-level monitoring and 99% weighted efficiency.
Includes built-in consumption metering (1% accuracy) and NEC 2020-compliant rapid shutdown.
Key Features:
- HD-Wave technology reduces size/weight (e.g., SE7600H-US: 17.6kg).
- SetApp commissioning via smartphone for quick setup.
- 12–25-year warranty and UL1741 SA certification.
- Natural convection cooling for silent operation (<25dB).
Inverters
GoodWe DNS G3
The GoodWe DNS G3 (3–6kW) boasts a fanless design (<25dB), IP66 rating, and 16A/MPPT input current. Optional AFCI and Type II SPD enhance safety, while Wi-Fi/4G monitoring enables remote control.
Key Features:
- 150% DC oversizing maximizes PV array flexibility.
- 110% AC overloading for peak demand periods.
- SunSpec-compliant Modbus for third-party integration.
- Made in China with 10-year warranty options.
Inverters
SMA Sunny Boy
SMA’s Sunny Boy 3.0–6.0 features SMA Smart Connected proactive fault alerts, OptiTrac Global Peak shade management, and 97% efficiency. At 17.5kg, it’s lightweight and plug-and-play.
Key Features:
- TS4-R optimizer compatibility for shaded roofs.
- 5/10/15-year warranty options.
- Web interface setup and Sunny Portal monitoring.
- VDE-AR-N 4105 compliance for German grid standards.
Solar Inverter Comparison Summary
| Feature | Fronius GEN24 Plus | SMA Sunny Boy | SolarEdge HD-Wave | GoodWe DNS G3 | SAJ R5 Series |
|---|---|---|---|---|---|
| Type | Hybrid (Battery-ready) | String Inverter | Optimizer-based | String Inverter | String Inverter |
| Max Efficiency | 97.6% | 97.0% | 99.0% | 97.9% | 98.3% |
| Backup Power | Yes (PV Point/Full Backup) | No | No | No | No |
| MPPT Trackers | 2 | 2 | 1 (Per optimizer) | 2 | 2 |
| Solar Integration | Battery + PV surplus | TS4-R optimizers | Module-level monitoring | 150% DC oversizing | High-current input |
| Monitoring | Solar.web, Modbus | SMA Sunny Portal | SolarEdge App | Wi-Fi/4G/Bluetooth | Bluetooth/Wi-Fi |
| Warranty | 5 years | 5–15 years | 12–25 years | 10 years | 5–25 years |
| Protection Rating | IP66 | IP65 | NEMA 4X | IP66 | IP65 |
| Noise Level | <42 dB | 25 dB | <25 dB | <25 dB (Fanless) | <25 dB |
| Key Feature | Retrofit battery upgrade | SMA Smart Connected | 99% efficiency | Fanless design | Lightning protection |
Selection Considerations
For Battery Systems:
Fronius GEN24 Plus – Best for hybrid setups with backup power options.
For Shaded Roofs:
SolarEdge – Module-level optimizers maximize yield in partial shade.
SMA Sunny Boy – TS4-R optimizers for shade tolerance.
For Silent Operation:
GoodWe DNS G3 – Fanless design (<25dB) ideal for residential areas.
For Harsh Environments:
SAJ R5 – Lightning/surge protection and die-cast casing.
Fronius – IP66 rating for outdoor durability.
For Long Warranties:
SolarEdge – Up to 25 years (longest in industry).
SMA – Extendable to 15 years.
All inverters support smart monitoring and comply with international grid standards (AS/NZS 4777.2, VDE-AR-N 4105). Choose based on battery needs, shading, or durability requirements.