SunGoldPower | Off-Grid Solar Kits 12kW/15kW/18kW Options 120V/240V with 48v LiFePO4 Lithium Batteries & 415w Solar Panels SGR-18K20E

High-Performance Off-Grid Power Systems for Homes, Cabins, and Small Businesses

The SGR-18K20E Off-Grid Solar Kit is a comprehensive energy solution designed to meet the demands of residential and light commercial applications. With flexible system sizing options (12kW, 15kW, or 18kW inverters), this scalable kit delivers powerful split-phase (120V/240V) output—capable of handling everything from essential appliances to large energy loads. Equipped with high-efficiency 415W solar panels and long-lasting 48V LiFePO4 batteries, it’s built for performance, safety, and reliability.

Key Features:

• Multiple Inverter Options (12kW / 15kW / 18kW)
  Choose your system size to match your power demands—each provides 120/240V split-phase output for residential or commercial needs.

• 20.48KWh LiFePO4 Battery Bank
  4 x 5.12KWh 48V lithium batteries deliver dependable energy storage with deep cycling capabilities.

• 18 x 415W Monocrystalline Solar Panels
  High-output panels generate up to 7.47kW of solar power during peak conditions.

• Estimated Daily Output: ~30KWh
  With 4 hours of sunlight—ideal for homes consuming ~900KWh/month.

• Expandable Architecture
  Easily scale the system with additional batteries and solar panels to meet future demand.

What’s Included:

• (1) 12kW, 15kW, or 18kW 48VDC Split-Phase Inverter (120V/240V Output)

• (4) 5.12KWh 48V LiFePO4 Lithium Batteries (Total: 20.48KWh)

• (18) 415W Monocrystalline Solar Panels

• MPPT Solar Charge Controller

• All Required Solar Cables, Mounting Brackets, and Accessories

• Installation Manual & Technical Support

Perfect For:

• Full-time off-grid homes or cabins

• Small commercial and agricultural buildings

• Backup power systems for grid outages

• High-load energy users seeking independence

Benefits:

• Split-Phase Output – Powers 120V & 240V appliances simultaneously, including HVAC, well pumps, dryers, and more.

• Safe, Long-Life Batteries – LiFePO4 chemistry ensures high safety, long cycle life, and deep discharge capability.

• High Solar Yield – 30KWh daily production covers energy-hungry households.

• Expandable for Growth – Add more panels or batteries as your needs increase.

• Whisper-Quiet Operation – Clean, silent alternative to gas generators.

What's Included

• 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 400A DC Breaker
  
• 2 X 50A PV Breaker

Specifications

Manuals and Downloads

• 18000W Solar Inverter
• LifePo4 5.12KWH Lithium Battery
• 415 Watts Solar Panels
• 100A MPPT Solar Controller

Warranty

• 18000W Solar Inverter - 3 Years Warranty
• LifePo4 5.12KWH Lithium Battery - 10 Years Warranty
• 415 Watts Solar Panels - 25 Years Warranty
• 100A MPPT Solar Controller - 3 Years Warranty