Clean power conversion
Helps turn stored battery energy into usable AC power for everyday loads, backup circuits, and off-grid applications.
The 12KW 48V All-in-one Hybrid Solar inverter | Whole Home Backup (200A)| SGS-12K18MAX is built for serious solar and backup power projects where dependable conversion, battery integration, and flexible power management matter. It gives installers and system owners a cleaner path to connect solar, storage, and household loads in one stronger energy setup.
Helps turn stored battery energy into usable AC power for everyday loads, backup circuits, and off-grid applications.
Brings solar input, battery storage, and load support together for a cleaner hybrid power setup.
A strong fit for homes and properties that need dependable power during outages and daily energy use.
Hybrid inverter projects need a balanced setup that can manage solar input, stored energy, and everyday loads without making the installation feel scattered. This model is intended for builds where backup readiness and system flexibility are both priorities.














| 12KW 48V All-in-one Hybrid Solar inverter / Whole Home Backup (200A)/ SGS-12K18MAX | |
| Model SKU | SGS-12K18MAX |
|---|---|
| MODEL | |
| MODEL | SGS-8K12MAX SGS-10K15MAX SGS-12K18MAX Settable |
| Product Type | Inverter |
| ELECTRICAL | |
| PV Input Power | 18 kW total |
| Maximum PV Open-Circuit Voltage | 550 VDC |
| MPPT Quantity | 2 |
| Whole-Home Backup Current | 200 A |
| Battery type | Ternary LFP User- |
| Rated Output Power | 12000 W |
| Rated Output Voltage | 120/240Vac(Split-phase) 120/208V(Three-phase) √ |
| Waveform | Pure Sine Wave |
| Rated Battery Voltage | 48Vdc |
| Voltage Range | 40-60Vdc √ |
| No. of MPPT Trackers | 2 |
| Max. Input Current | 32A/32A |
| Input Voltage Range | 90-140Vac |
| MPPT Tracking Efficiency | 99.9% |
| Max. Efficiency | 97.5% |
| Listed System Voltage | 48V |
| Design | All-in-one solar charge inverter |
| CONNECTIONS | |
| Communication | port RS485 / CAN / USB / Dry contact √ |
| PHYSICAL | |
| Dimensions | 33.1 × 19.6 × 11.2 in |
| Weight | 105.8 lb |
| CT Output Cable Length | 4 m |
| OPERATING LIMITS | |
| Ingress Protection | IP65 |
| Operating Temperature Range | -13°F to 140°F (-25°C to 60°C), with derating |
| Protection Degree | IP65 |
Clear answers to common questions about this product, setup, compatibility, and use.