About Us Contact Us Shipping Easy Returns Privacy Terms of Service Happy Customers Solar System Size Calculator
Skip to content
Sungold Power 12KW 48V All-in-one Hybrid Solar inverter | Whole Home Backup (200A)| SGS-12K18MAX

Sungold Power 12KW 48V All-in-one Hybrid Solar inverter | Whole Home Backup (200A)| SGS-12K18MAX

BY: SunGoldPower SKU: SGS-12K18MAX Availability: In Stock
$3,938.00
$3,150.00
You Save: $788.00

Notify me when back in stock

Found a Better Price?

Share it with us now and we will beat it. Get the best deal online - Guaranteed!

Call/Text Us: 877-556-3347
Live Chat With an Expert

  • Authorized SunGoldPower Dealer

    Full manufacturer warranty included

  • Free Shipping + No Sales Tax (Most States)

    More savings on every purchase

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Lifetime Expert Support

    Dedicated help whenever you need it

Estimated Delivery Between

and .

Order within to get it by the earliest date.

Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter | Whole Home Backup (200A)| SGS-12K18MAX

The Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter (SGS-12K18MAX) is a powerful, fully integrated solution for whole-home backup and off-grid power. Designed with advanced hybrid technology, this inverter combines solar, grid, and generator inputs to deliver reliable and efficient energy to your home. With up to 12,000W output power and the ability to run high-demand appliances like air conditioners, refrigerators, and heavy tools, it’s the ideal backup system for households, small businesses, and off-grid properties. Its pure sine wave output ensures stable electricity for sensitive electronics, while its smart communication and protection features guarantee safety and performance.

Placeholder Image

Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter Features

High Power Output – Delivers up to 12,000W @240V or 10,400W @208V, supporting large household loads and demanding appliances.

Pure Sine Wave Technology – Provides clean, stable power safe for electronics and sensitive equipment.

Flexible Energy Sources – Hybrid system supports solar, grid, and generator inputs for uninterrupted power.

Massive Charging Capacity – Up to 200A grid and generator charging current, plus 240A hybrid charging for faster system recovery.

Smart Monitoring & Control – Built-in RS485, CAN, USB, Wi-Fi & GPRS options for remote monitoring and control.

Durable Outdoor Build – IP65-rated for weather resistance, making it ideal for indoor or outdoor installations.

Placeholder Image

Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter Applications

  • Whole Home Backup – Power essential and high-demand appliances during outages.
  • Off-Grid Cabins & Homes – Ideal for remote locations without reliable grid power.
  • Small Businesses – Keep critical equipment running during power disruptions.
  • Solar Energy Systems – Optimize solar input with advanced MPPT control.
  • Workshops & Farms – Run heavy-duty equipment reliably and safely.
Placeholder Image
Placeholder Image
Placeholder Image
Placeholder Image

What's Included

Everything you need is included with your product.

  • 1 x Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter
  • 1 x Wallhanger
  • 4 x M8x60 Expansion Bolts
  • 5 x M8 Flat Gasket (Backup)
  • 4 x SC70-8 Copper Terminal
  • 3 x 4mm, 5mm, 8mm Hax Head Screwdriver
  • 1 x M8 Socket Screwdriver
  • 1 x M5*18mm screw (backup)
  • 4 x M5*12mm screw
  • 1 x Parallel Communication Cable
  • 1 x USB Flash Disk
  • 3 x Keys
  • 1 x CT
  • 1 x WiFi Logger
  • 1x 485 Communication Line
  • 1 x User Manual
Placeholder Image
Placeholder Image
Placeholder Image
Placeholder Image
Placeholder Image

Sungold Power 12KW 48V All-in-one Hybrid Solar Inverter Specifications

Inverter (PV)

Specification Details
Rated Output Power @240V 12000W, @208V 10400W
Max. Peak Power 1.5 times rated power (10s)
Rated Output Voltage 120/240Vac (Split-phase), 120/208V (Three-phase)
Output Voltage Error 50A
Load Motor Capacity 6HP
Rated AC Frequency 50/60Hz
Waveform Pure Sine Wave
Parallel Capacity 6

Battery

Specification Details
Battery Type Li-ion Battery / Lead-Acid Battery / User Defined
Rated Battery Voltage 48Vdc
Voltage Range 40-60Vdc
Max. Grid Charging Current 200A
Max. Generator Charging Current 200A
Max. Hybrid Charging Current 240A

PV Input

Specification Details
Num. of MPP Trackers 2
Max. PV array power 9000W/9000W
Max. input current 32A/32A
Short Circuit (Isc) 40A/40A
Max. Open Circuit Voltage 550Vdc/550Vdc
MPPT Voltage Range 125–450Vdc/125–450Vdc
MPPT Tracking Efficiency 99.9%

Grid / Generator Input

Specification Details
Input Voltage Range 90–140Vac
Frequency Range 50/60Hz
Continuous Grid Passthrough Current 200A

Protection

Specification Details
Integrated Protection Reverse polarity protection, DC switch rating for each MPPT, Output over-voltage protection varistor, Output over current protection, Ground fault monitoring, Grid monitoring, Pole sensitive leakage current monitoring unit AFCI, RSD

Interface

Specification Details
Communication Port RS485 / CAN / USB / Dry contact
External Modules (Optional) Wi-Fi / GPRS

General Data

Specification Details
Dimensions (W×H×D) 33.07 × 17.32 × 10.24 in (840 × 440 × 260 mm)
Weight 105.82 lbs (48 kg)
Protection Degree IP65
Operating Temperature Range 13°F to 140°F, >113°F derated (-25°C to +60°C, >45°C derated)
Noise <60 dB
Self-consumption <100W
Cooling Method Heat sink + intelligent fan cooling

Certified Specifications

Specification Details
Safety Standards UL1741 & IEEE1547.1-2020, CEC, RULE 21, HECO, CEC Listed
EMC FCC 15 Class B
RoHS Yes
Placeholder Image

Frequently-Asked Questions

Can this inverter power an entire house?

Yes, the SGS-12K18MAX is designed for whole-home backup with up to 200A continuous grid passthrough and 12,000W output power. It can handle heavy household loads like HVAC systems, refrigerators, water pumps, and essential electronics.

Can I use both solar and grid to charge my batteries?

Absolutely. The inverter supports hybrid charging with up to 240A total charging current from grid, generator, and solar combined.

Is it safe for outdoor installation?

Yes. With an IP65 weatherproof rating, it’s suitable for both indoor and outdoor use.

Does it support remote monitoring?

Yes, the inverter comes with RS485, CAN, USB, Wi-Fi & GPRS communication options, allowing you to track performance and make adjustments remotely.

What kind of batteries can I use?

It supports Li-ion, Lead-Acid, and user-defined battery types, offering flexibility to match your solar system needs.