Sungold Power Complete OFF-GRID Solar Kit 18000w 48VDC 120V/240V LiFePO4 20.48KWH Lithium Battery 20 X 415w Solar Panels SGR-18K20E
Complete Off-Grid Solar Kit for Homes, Cabins, and Remote Properties
The Sungold Power SGR-18K20E Off-Grid Solar Kit is a fully integrated energy system designed for homeowners, remote properties, small commercial applications, and customers seeking complete solar panel kits that can power a house with ease. This system delivers 18kW of pure split-phase power, includes high-efficiency 415-watt monocrystalline solar panels, and comes with long-lasting 48V LiFePO4 battery storage engineered for reliable, safe, and continuous off-grid electricity. Ideal for full off-grid independence, preparedness for a solar storm power outage, or supplementing energy use for sheds, small homes, cabins, and workshops, this kit offers the performance and flexibility needed for total residential energy freedom. With scalable storage and additional solar capacity available, it is one of the market’s most adaptable systems for long-term energy resilience.
The SGR-18K20E supports a wide range of applications including primary home power, solar generator kit solutions for homes, energy-independent living, and power generation for apartments or smaller buildings using split-phase output. This system is engineered to run everyday household appliances as well as heavy-duty loads including HVAC, pumps, refrigerators, freezers, lighting, power tools, entertainment systems, and office equipment.
What’s Included with the SGR-18K20E Off-Grid Solar Kit
One 18,000 Watt 48V DC to 120V/240V AC Split Phase Inverter
Provides whole-home power with reliable split-phase output suitable for both light and heavy loads.
Twenty 415-Watt Monocrystalline Solar Panels
High-efficiency front-side modules designed to deliver strong power production in a compact footprint.
Two 100A MPPT Solar Charge Controllers
Ensures maximum solar harvesting efficiency and stable battery charging throughout the day.
Six 100Ah 51.2V LiFePO4 Lithium Batteries
Long-life, deep-cycle energy storage engineered for safety, performance, and repeatable daily cycling.
One Enclosed Battery Cabinet for Six Batteries
Protects batteries from environmental exposure and organizes the system for safe and clean installation.
Solar Extension Cables, Battery Cables, and System Breakers
Includes fifty-foot solar extensions, battery-to-controller cabling, mounting brackets, a 400A DC breaker, and 50A PV breakers.
This kit includes every major component needed to install a complete off-grid solar power system capable of powering an entire home.
Why Choose the SGR-18K20E Off-Grid Solar Kit
The SGR-18K20E is engineered for homeowners and property owners who need dependable, long-term off-grid power with the flexibility to expand in the future. This system offers the performance necessary for powering a full household, a cabin, or a small commercial operation while remaining accessible and cost-effective.
High-Power 18kW Split Phase Output
Provides clean 120V/240V electricity for running major appliances including central air, pumps, well systems, power tools, medical equipment, refrigerators, and more.
Dependable LiFePO4 Battery Storage
Includes 51.2V lithium iron phosphate batteries known for long cycle life, safety, and stable discharge during demanding use.
Efficient Solar Power Production with 415W Panels
Delivers strong daily energy generation suitable for complete solar kits for homes and solar panel kits for sheds or standalone buildings.
Ideal for Off-Grid Living and Whole-Home Backup
Designed to operate independently from the grid, making it a reliable solution for emergency backup power, natural disaster preparedness, and solar storm power outage scenarios.
Scalable Design for Future Expansion
Easily add more solar panels or additional battery storage as your energy needs grow, creating a fully customizable solar generator kit for homes or larger facilities.
Cost-Effective Alternative to Gas Generators
Provides continuous, silent, renewable energy without fuel storage, noise, or emissions.
Sungold Power 18000W 48V Split Phase Pure Sine Wave Inverter Charger
LF-PV Series Pure Sine Wave Inverter is a combination of a 48-volt inverter, AC charger, and Auto-transfer switch into one complete system (without MPPT).
The split-phase inverter requires 240VAC input and can provide 120VAC or 240VAC output power for all kinds of appliances, and it can output 50 or 60Hz via the SW4.
AC/Battery Priority: Our inverter is designed with AC priority by default, you can choose the battery priority by SW5 switch.
Features: Smart Remote Control, Automatic Generator Starting (AGS), Suitable for different kinds of batteries.
Application: for all kinds of loads: refrigerators, freezers, microwaves, dryers, air conditioners, pumps, and all the big home and business applications.
Sungold Power 48V 100AH Server Rack LiFePO4 Lithium Battery
SG48100P Lithium Battery is built for energy storage system and provides a well-designed and high performance standard battery pack. The battery is compact, easy to install, free of maintenance and can be installed in parallel in the energy storage system to increase its capacity. lt is widely used in home applications, small commercial and industrial energy storage system and so on.
Character: The 51.2V 100AH LFP Battery is compact, well-designed, LCD, and cable/accessories ready for installation. ≥7000 cycles deep cycle & 10 years warranty, designed for up to 15-year life. UL1973.
Intelligent BMS: Battery Management System of the 48v server rack battery can manage and monitor cells information including voltage, current and temperature, protects it from overcharge, deep discharge, overloading, overheating and short circuit, help to extend lifetime.
Flexible: Modular design, easy to expand, max 32 units in parallel capacity of 163.84kwh, suitable to residential and commercial applications and other energy storage system for increasing the self-consumption ratio.
Compatible: CAN/RS485/RS232 Communication Protocol Lithium Ion Battery can be compatible with most inverters in the market, such as Growatt, Deye, SunGoldPower, Luxpower, Victron energy, Schneider, Phocos, SMK and so on.
Sungold Power 415W Mono Black PERC Solar Panel
The Sungold Power 415W Mono Black PERC Solar Panel delivers exceptional performance and sleek aesthetics, making it an excellent choice for on-grid, off-grid, or hybrid solar systems. Whether you're storing energy with a battery, reducing electricity bills, or powering a fully off-grid home, this high efficiency panel is engineered for longterm reliability and maximum energy harvest.
HIGH EFFICIENCY
Built with advanced monocrystalline PERC technology and 182 mono half-cells, this all-black module offers superior efficiency, enhanced shading tolerance, and excellent output performance.
WATERPROOF DESIGN
Equipped with an IP68-rated junction box and connectors, the panel is fully protected against dust and can maintain proper function even after temporary immersion in water—ensuring dependable performance in harsh weather conditions.
SNOW & WIND RESISTANCE
Rigorously tested for durability, this panel withstands 5400 Pa snow load and 2400 Pa wind pressure, providing robust protection and reliable operation in extreme environments.
Sungold Power 100 Amp MPPT Solar Charge Controller
100 Amp MPPT Solar Charge Controller
The SunGoldPower 100A MPPT Charge Controller delivers industry-leading efficiency and intelligent solar management, making it one of the most advanced charge controllers available. With up to 99.9% MPPT tracking efficiency, it captures maximum solar output, ensuring faster, more effective charging for your battery bank. The controller automatically detects 12V, 24V, 36V, and 48V DC system voltages, offering seamless integration with a wide range of off-grid setups.
Compatible with multiple battery types, including lithium, sealed, AGM, and user-defined batteries—this controller provides exceptional flexibility for any solar application. Built-in over-temperature protection and current-limited charging enhance safety and reliability during high-demand operation.
For expanded system capability, the unit supports parallel operation, allowing you to exceed the output limits of a single controller. The integrated Bluetooth module enables real-time monitoring and configuration through a mobile app, giving you instant access to system performance data.
A bright LCD display provides clear system information, customizable settings, and detailed error codes, ensuring complete visibility and control of your solar power system.
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Sungold Power SGR-18K20E Solar Kit Certifications
For Batteries: UL1973/UL9540A/CE/UN38.3
For Solar Panels: UL61730/CE/TUV
The Sungold Power SGR-18K20E Off-Grid Solar Kit delivers everything needed to power your home independently day and night. From high efficiency solar generation to long lasting LiFePO₄ energy storage and robust 18kW inverter power, this system provides the reliability and confidence homeowners demand. Whether you're looking to live completely off-grid, protect your family from outages, or eliminate utility bills, this system delivers unmatched performance, value, and energy freedom.
Specification
18000W 48V Split Phase Pure Sine Wave Inverter Charger Specification
| Main Specification |
|
| Model |
LFPV18K48V240VSP |
| Continuous Output Power |
18.0KW |
| Surge Rating(20s) |
54.0KW |
| Output Waveform |
Pure Sine Wave |
| AC Output Voltage |
120V and 240V |
| AC Input Voltage |
240V( not suitable for AC 120V input ) |
| DC Battery Voltage |
48Vdc |
| AC Battery charger |
95±5Amp |
| Output Frequency |
50Hz /60Hz |
| Typical transfer Time |
10ms(Max) |
| DC Input |
|
| Nominal Input Voltage |
48.0Vdc |
| Minimum Start Voltage |
40.0Vdc / 42.0Vdc |
| Low Battery Alarm |
42.0Vdc / 44.0Vdc |
| Low Battery Trip |
40.0Vdc / 42.0Vdc |
| High Voltage Alarm |
64.0Vdc |
| Low Battery voltage recover |
62.0Vdc |
| Power Saver on Idle Consumption |
50W |
| Power Saver off Idle Power |
270W |
| Charger |
|
| Output Voltage |
Depends on battery type |
| Battery Initial Voltage for Start Up |
40-62.8V |
| Over Charge Protection Shutdown |
62.8V |
| Charger Breaker |
100A |
| Input Voltage Waveform |
Sine wave (Grid or Generator) |
| AC input range |
184-253Vac/140-270Vac |
| Nominal Input Frequency |
50Hz or 60Hz (Auto detect) |
| Packaging |
|
| 18000W 48V Split Phase Pure Sine Wave Power Inverter |
|
| English Manual |
|
| Remote Control |
|
| BTS Cable |
|
| Unit Weight |
197 LB |
| Unit Size |
28.7 x 16.5 x 8.7 inch |
| Shipping Weight |
232 LB |
| Shipping Size |
34.25 x 21.3 x 17.3 inch |
48V 100AH Server Rack LiFePO4 Lithium Battery Specification
415W Mono Black PERC Solar Panel Specification
| Model Type |
SG-415WM |
| Peak Power (Pmax) |
415W |
| Production tolerance |
±3% |
| Maximum Power Current (Imp) |
13.13 A |
| Maximum Power Voltage (Vmp) |
31.6V |
| Short Circuit Current (Isc) |
14.02A |
| Open Circuit Voltage (Voc) |
37.50V |
| Maximum System Voltage |
1500V |
| Wind Resistance |
2400Pa |
| Output Cables |
12 AWG (1ft per cable) |
| Number of Cells |
108(6*18) |
| Cell Type |
Mono 182*91mm |
| Certifications |
CE TUV |
| Product Weight |
45.8lbs |
| Product Dimension |
67.8*44.6*1.4inch |
| Package Weight |
100.5lbs（2PCS） |
| Package Dimension |
70.1*47.2*3.9inch（2PCS） |
| Performance |
5 year 95% output warranty 10 year 90% output warranty 25 year80% output warranty |
| Material and workmanship warranty |
25 years Linear Product Workmanship Warranty and 10 years workmanship warranty. |
100 Amp MPPT Solar Charge Controller Specification
User Manuals
Sungold Power OFF-GRID Solar Kit 18000w 48VDC 120V/240V LiFePO4 20.48KWH Lithium Battery 20 X 41w Solar Panels SGR-18K20E User Manuals
Sungold Power 12kw-18kw Inverter
Sungold Power LifePo4 5.12KWH Lithium Battery
Sungold Power 415 Watts Solar Panels
Sungold Power 100A MPPT Solar Controller
SGR-18K20E Wiring Diagram
Sungold Power OFF-GRID Solar Kit 18000w 48VDC 120V/240V LiFePO4 20.48KWH Lithium Battery 20 X 41w Solar Panels SGR-18K20E Wiring Diagram
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