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
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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)
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Weight: 105.82 lb (48 kg)
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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:
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 | 200A Whole-Home Backup | 18kW PV Input | Split-Phase + 3-Phase | SGS-12K18MAX
- Regular price
- $3,150.00
- Sale price
- $3,150.00
- Regular price
-
$3,937.50
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SunGold Power 12kW 48V All-in-One Hybrid Inverter | 200A Whole-Home Backup | 18kW PV Input | Split-Phase + 3-Phase | SGS-12K18MAX
Testimonials
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"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
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Frequently Asked Questions
Find the answers to some of the most common questions customers have before placing their order.
Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.
Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.
While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.
We stand behind our products. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.
All components are backed by manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.
Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. Apply during checkout and get approved in minutes.
If you're ready to place your order, you can go ahead and checkout online right now. If you have questions, our friendly team of solar experts are happy to assist and can take your order over the phone. If you're interested in financing, you will find the application at checkout online. So whatever is best for you, we are happy to accommodate.
Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.
You’ll have direct access to our support team via phone, email, and chat. Whether it’s setup guidance or troubleshooting years down the road, we’re here to help.
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