SunGold Power 12kW 48V All-in-One Hybrid Inverter | 200A Whole-Home Backup | 18kW PV Input | Split-Phase + 3-Phase | SGS-12K18MAX

Power your home, farm, or small business with a high-capacity hybrid inverter built for whole-home backup and smart energy control. The SunGoldPower SGS-12K18MAX integrates solar + battery + grid/generator into one all-in-one platform, with robust 200A pass-through and flexible operating modes for on-grid, off-grid, or hybrid setups.

Key Features & Benefits

• 12kW rated output @ 240V (10.4kW @ 208V)

• 200A whole-home backup pass-through for seamless household circuit support

• Dual MPPT solar charging (2 MPPTs) with up to 550Vdc max Voc per MPPT

• High PV handling: 9,000W + 9,000W (18kW total) PV array power

• Parallel expandable: up to 6 units (up to 72kW total system scaling)

• Flexible output voltage: 120/240Vac split-phase and 120/208V three-phase

• Battery compatibility: Li-ion / Lead-Acid / User Defined, 48Vdc nominal (40–60Vdc range)

• AC coupling function to integrate with a grid-tied PV inverter on the AC input

• Built-in Rapid Shutdown (RSD) support for NEC rapid shutdown compliance workflows

• Peak shaving / time-of-use optimization using battery vs grid based on cost periods

• IP65 weather-resistant enclosure for indoor/outdoor installation

• Monitoring & control via LCD display and optional Wi-Fi / GPRS modules

• Safety & grid compliance certifications: UL1741, IEEE1547.1-2020, CEC listed, Rule 21, HECO, RoHS, FCC 15 Class B (EMC)

Specs in a Glance

• Model: SGS-12K18MAX

• Inverter Output: 12,000W @ 240V; 10,400W @ 208V

• Surge: 1.5× rated power (10 seconds)

• Output Voltage: 120/240Vac (Split-phase), 120/208V (Three-phase)

• AC Frequency: 50/60Hz

• Waveform: Pure Sine Wave

• Parallel Capacity: Up to 6 units

• Battery Voltage (Nominal): 48Vdc

• Battery Voltage Range: 40–60Vdc

• Max Charging Current: Grid 200A / Generator 200A / Hybrid 240A

• MPPT Trackers: 2

• Max PV Array Power: 9,000W + 9,000W

• Max PV Input Current: 32A + 32A (Isc 40A + 40A)

• Max PV Open Circuit Voltage: 550Vdc + 550Vdc

• MPPT Voltage Range: 125–450Vdc

• MPPT Tracking Efficiency: 99.9%

• Grid/Generator Input Voltage Range: 90–140Vac

• Continuous Grid Pass-through Current: 200A

• Communication Ports: RS485 / CAN / USB / Dry contact

• Optional Comms Modules: Wi-Fi / GPRS

• Enclosure Rating: IP65

• Dimensions: 33.07 × 17.32 × 10.24 in (840 × 440 × 260 mm)

• Weight: 105.82 lb (48 kg)

• Noise: <60 dB

• Self-consumption: <100W

• Cooling: Heat sink + intelligent fan cooling

• Operating Temp: -13°F to 140°F (derates >113°F)

Ideal For

• Whole-home backup with 200A pass-through

• Hybrid solar + storage systems needing high-voltage MPPT (up to 550Vdc)

• Large residential / farm / light commercial loads

• Systems that may expand later via parallel scaling to 72kW

• Installations requiring IP65 outdoor-rated equipment

User Manual / Documents:

• SunGold Power 12kW 48V All-in-One Hybrid Inverter User Manual