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SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B 48 V Split-Phase 120/240 V Pure Sine Wave
SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B 48 V Split-Phase 120/240 V Pure Sine Wave is backordered and will ship as soon as it is back in stock.
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SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B 48 V ...
SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B 48 V Split-Phase 120/240 V Pure Sine Wave is backordered and will ship as soon as it is back in stock.
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Description
Description
SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B 48 V Split-Phase 120/240 V Pure Sine Wave
The SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B is a powerful and flexible off-grid power solution designed for residential, commercial, and remote installations. Delivering 12,000 W of continuous output and up to 24,000 W peak power, this unit is capable of powering heavy household loads, essential appliances, and high-demand equipment with stable pure sine wave AC power at both 120 V and 240 V through split-phase output. Its robust design makes it an excellent choice for off-grid homes, workshops, cabins, and small business backup systems.
Equipped with dual MPPT solar inputs, the FR12K-B ensures efficient solar energy harvesting with a generous total solar input capacity. This capability enables you to maximize your solar array’s energy production and charge batteries more effectively. The inverter also supports multiple battery types — including 48 V lithium-ion, lead-acid, and user-defined configurations — offering greater flexibility in system design and energy storage options.
Designed with scalability in mind, this inverter supports parallel expansion of up to six units, allowing you to grow your power system as energy needs increase. With its fast ~10 ms transfer switching, the FR12K-B ensures minimal interruption during power transitions — perfect for backup scenarios where continuity is critical.
Whether you’re building a whole-home off-grid solar power system or adding a high-capacity backup source, the SunGoldPower 12 kW All-In-One Off-Grid Solar Inverter FR12K-B delivers reliable, high-performance energy conversion and system flexibility.
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.
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.
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 |
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
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.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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