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Sungold Power 12KW All in One Off Grid Solar Inverter FR12K-B

Sungold Power 12KW All in One Off Grid Solar Inverter FR12K-B

BY: SunGoldPower SKU: FR12K-B Availability: In Stock
$1,950.00

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Sungold Power 12KW All-in-One Off-Grid Solar Inverter FR12K-B

The Sungold Power FR12K-B 12KW All-in-One Off-Grid Solar Inverter is a high-performance energy management solution designed for residential, commercial, and off-grid power systems. Delivering 12,000W of continuous output power with 24,000W peak capability, this inverter supports both single-phase and split-phase 120/240V applications, making it suitable for whole-home backup and heavy-load environments.

With dual MPPT solar inputs, advanced overload protection, and compatibility with multiple battery types, the FR12K-B provides a flexible, efficient, and scalable foundation for off-grid and hybrid solar systems.

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Sungold Power 12KW All-in-One Off-Grid Solar Inverter FR12K-B Features

12KW Continuous Output Power - Delivers 12,000W rated output with 24,000W peak power, supporting demanding household and commercial loads.

Split-Phase 120/240V Output - Supports single-phase and split-phase configurations, ideal for whole-home power systems in North America.

Dual MPPT Solar Inputs - Equipped with 2 MPPT channels, supporting up to 13,200W of total solar input for high-efficiency energy harvesting.

Wide Battery Compatibility - Works with 48V lithium-ion, lead-acid, and user-defined battery systems, offering flexible energy storage options.

Fast UPS-Level Switching - Provides 10ms typical switching time, ensuring smooth transitions during power interruptions.

Parallel System Expansion - Supports up to 6 units in parallel, allowing system scalability as energy demands increase.

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Sungold Power 12KW All-in-One Off-Grid Solar Inverter FR12K-B Applications

  • Whole-home off-grid power systems – Designed to power an entire home with split-phase 120/240V output, supporting major appliances and high-demand loads.
  • Residential solar energy storage – Ideal for homeowners integrating solar panels and battery storage for energy independence and backup power.
  • Commercial backup power – Provides reliable, high-capacity backup for small businesses, workshops, and light commercial facilities.
  • Remote and rural installations – Well-suited for cabins, farms, and remote properties without access to utility power.
  • Hybrid solar + generator systems – Seamlessly integrates solar, battery, and generator inputs for flexible and resilient energy management.
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What's Included

Everything you need is included with your product.

  • 1 × Sungold Power FR12K-B 12KW Off-Grid Solar Inverter
  • 4 x M6*60mm Expansion screw
  • 2 x Phillips screw M5*10mm
  • 5 x Phillips screw M8*12mm
  • 4 x SC50-8 Copper lug
  • 2 x SC95-8 Copper lug
  • 4 x Black screw M4X8mm
  • 1 x M8 Socket Screwdriver
  • 1 x Flat-head screwdriver
  • 1 x Parallel Communication cable
  • 1 x WIFI logger
  • 1 x BMS Communication Cable
  • 1 x Warranty Card
  • 1 x User Manual
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SunGold Power 10KW 48V Split Phase Solar Inverter Specifications

Inverter Output

Specification Details
Rated Output Power 12,000W
Max. Peak Power 24,000W
Rated Output Voltage 120/240Vac (split phase/single phase)
Load Capacity of Motors 6HP
Rated AC Frequency 50/60Hz
Waveform Pure Sine Wave
Switch Time 10ms (typical)
Parallel Capacity 6
Overload After triggering the overload protection the inverter will resume output after 3 minutes, 5 consecutive overloads will switch off the output until the inverter is restarted. (102% 125%±10%: error reported and output switched off after 5s.

Battery

Specification Details
Battery Type Lithium-ion battery / lead-acid battery / user-defined
Rated Battery Voltage 48Vdc
Voltage Range 40-60Vdc
Max. MPPT Charging Current 200A
Max. Mains/Generator Charging Current 120A
Max. Hybrid Charging Current 200A

PV Input

Specification Details
MPPT Channel Number 2
Max. Input Power 6600W + 6600W
Max. Input Power 22A / 22A
Max. Open Circuit Voltage 500Vdc
MPPT Operating Voltage Range 125-425Vdc

Grid / Generator Input

Specification Details
Input Voltage Range 90-140V (Single phase), 180-260V (Split phase)
Frequency Range 50/60Hz
Bypass Overload Current 63A

Efficiency

Specification Details
MPPT Tracking Efficiency 99.9%
Max. Battery Inverter Efficiency 92%

General

Specification Details
Dimensions (L × W × H) 28.7 × 19.1 × 6.7 inches
Weight 61.73 lbs (28 kg)
Protection Level IP20 (for indoor use only)
Ambient Temperature 14–131°F (>113°F derated)
Noise <60dB
Cooling Method Intelligent Fan

Communication

Specification Details
Built-in Interfaces RS485 / CAN / USB / Dry Contact
External Modules (Optional) Wi-Fi / GPRS

Communication

Specification Details
EMC EN61000-6-1, EN61000-6-3, FCC15 Class B
RoHS Yes
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Frequently-Asked Questions

Can this inverter power an entire home?

Yes. With 12KW continuous output and split-phase 120/240V support, it is suitable for whole-home off-grid systems.

What battery types are supported?

The FR12K-B supports 48V lithium-ion, lead-acid, and user-defined battery configurations.

How much solar input can it handle?

It supports up to 13,200W of solar input across two MPPT channels.

Can multiple units be connected together?

Yes. Up to 6 inverters can be connected in parallel for increased system capacity.