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Sungold Power Off-Grid Solar Kit 18000W 48VDC 120V/240V LifePo4 20.48KWH Lithium Battery 18 X 415 Watts Solar Panels

BY: SunGoldPower SKU: SGR-18K20E Availability: In Stock
$16,587.00

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Sungold Power Off-Grid Solar Kit 18000W 48VDC 120V/240V LifePo4 20.48KWH Lithium Battery 18 X 415 Watts Solar Panels

Power your off-grid lifestyle or backup energy system with confidence using the Sungold Power 18kW Off-Grid Solar Kit. Built for homes, farms, and businesses that need serious power, this system includes 18 high-efficiency 415W solar panels and a robust 20.48kWh lithium battery bank. Designed around a pure sine wave 18,000W inverter and a 48VDC architecture, it delivers stable, reliable, and high-capacity power for both everyday living and critical backup needs.

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Sungold Power Off-Grid Solar Kit Features

High-Efficiency 415W Monocrystalline Panels

Advanced PERC solar technology delivers excellent efficiency, optimized even for variable sunlight conditions.

20.48kWh LiFePO4 Battery Bank

Safe and long-lasting lithium iron phosphate chemistry ensures stable energy storage with deep cycle capability.

Massive 18,000W Pure Sine Wave Inverter

Designed to handle high-demand appliances and equipment while protecting sensitive electronics with clean output.

Split-Phase 120V/240V Power Output

Compatible with standard U.S. residential and light commercial systems, allowing you to power well pumps, HVAC, ovens, and more.

48V System Design

Efficient architecture reduces current loss and enables scalable performance across large systems or properties.

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Sungold Power Off-Grid Solar Kit Applications

  • Remote off-grid homes and cabins – Full-time energy solution for running HVAC, kitchen appliances, lights, and water systems
  • Backup for grid power outages – Reliable energy when the grid goes down, ideal for extended power interruptions
  • Tiny homes or container homes – Ideal for permanent off-grid setups with energy-hungry appliances
  • Agricultural or farm equipment – Supports high-power irrigation pumps, electric fences, barn ventilation, and machinery
  • Solar-powered workshops or garages – Operate heavy tools, compressors, and lighting without relying on the grid
  • Mobile solar systems for trailers or construction – Bring high-output energy anywhere for work or travel

What's Included

Everything you need is included with your product.

  • 1 X 15000/18000 Watt 48V DC 120V/240V AC Output
  • 20 X 415 Watt Monocrystalline Solar Panels
  • 2 X 100A Mppt Solar Charge Controller
  • 6 X 100AH 51.2V Lifepo4 Battery
  • 1 X Enclosed Battery Cabinet
  • 2 Sets X 50 Feet, Solar Extension Cables-Inverter PV input
  • 2 Sets Cable Between Battery and MPPT Controller
  • 20 Sets of Mounting Z-Brackets
  • 1 X 400ADC Breaker
  • 2 X 50A PV Breaker

Sungold Power Off-Grid Solar Kit Specifications

18000 Watt Inverter

Specification Details
AC Output 18000W
Output Waveform Pure Sine Wave
AC Output 120V / 240V
AC Input Voltage 240V
Type Low Frequency Inverter
Support Generator
Surge Rating (20s) 54.0KW
Dimension 28.7 × 16.5 × 8.7 inch
Weight 197 LB
Warranty 3 Years

SG48100P LifePO4 Battery

Specification Details
Nominal Voltage 51.2V
Nominal Capacity 100AH
Energy 5.12KWH
Charge Cut-off Current 5A
MAX Continuous Charge Current 100A
Discharge Cut-off Voltage 43.2V
Cycle Life ≥7000
Communication Protocol RS232 / RS485 / CAN Support multiple protocols
Storage Temperature 14° ~ +113°F
Dimension 19.3 × 18.9 × 5.5 inch
Weight 93 lbs
Warranty 10 Years

415 Watt Mono Solar Panel

Specification Details
Peak Power 415W
Solar Cell Monocrystalline
Product Tolerance ±3%
Maximum Power Current (IMP) 13.13A
Maximum Power Voltage (VMP) 31.61V
Short Circuit Current (ISC) 13.79A
Open Circuit Voltage (VOC) 38.82V
Product Dimension 67.8 × 44.6 × 1.4 inch
Product Weight 45.1 lbs
Warranty 25 Years
Certificates UL61730, TUV, IEC, CEC, CE...

100A MPPT Solar Controller

Specification Details
System Voltage 12V / 24V / 36V / 48V Auto
Support Bluetooth and APP monitoring
Maximum PV Open-circuit Voltage 250V
Maximum PV Short-circuit Current 70A
Rated Charging Current 100A
Settable Charging Current 0–100A
Power of Solar Panel 12V–1320W, 24V–2640W, 36V–3960W, 48V–5280W
MPPT Tracing Efficiency >99%
Product Dimension 12.4 × 8.9 × 4.8 inch
Weight 12.5 lb
Warranty 3 Years
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Frequently-Asked Questions

Can this system power a full-size home with air conditioning?

Yes. The 18kW inverter can handle central air conditioning and high-draw appliances, provided the total usage stays within system capacity.

Is this system expandable?

Yes. You can add solar panels or additional batteries for more storage or faster charging.

Can it work with both 120V and 240V appliances?

Yes. The inverter provides split-phase power output compatible with most household and workshop equipment.

Does this include everything needed to get started?

The core components are included, but you may need additional wire runs, grounding, or mounting configurations depending on your install site.

Can I install this myself?

This is a high-powered system. A licensed electrician or professional installer is highly recommended for safety and code compliance.

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