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SunGold Power SGR-13K 13kW Off-Grid Solar Kit – 25.6kWh LiFePO4 Battery + 22×440W Panels
- Regular price
- $16,950.00
- Sale price
- $13,744.00
- Regular price
- $16,950.00
- Sale price
- $13,744.00
Sale
Estimated shipping time
Estimated shipping time
We offer free shipping across the United States, with orders processed within 1–2 business days and delivered in about 4–7 business days. Every order comes with tracking and insurance, and our team is here to help if your package is delayed, lost, or arrives damaged. Returns are accepted within 30 days, with no cost for return shipping. Please ensure your shipping address is accurate to avoid delays. Refer to full policy here.
What is your Return Policy?
What is your Return Policy?
We accept returns within 30 days of delivery if items are unused, undamaged, and in their original packaging. Return shipping is free, and refunds are processed within 7 days after inspection to your original payment method. Defective, damaged, or incorrect items will be replaced or refunded at no cost, while change-of-mind returns may incur a restocking fee. Some items (custom, perishable, intimate goods, gift cards, software) are non-returnable. Refer to full policy here.
The SunGold Power SGR-13K Off-Grid Solar Kit is a complete large-capacity system designed for whole-home and small business applications. Combining a 13kW pure sine wave inverter, 22 × 440W monocrystalline panels (9.68kW array), and 25.6kWh of LiFePO4 lithium storage (5 × 5.12kWh rack batteries), this package delivers reliable, independent energy.
Ideal for off-grid residences, cabins, shops, or backup power, the system can support air conditioning, pumps, refrigeration, lighting, and workshop equipment. Built with high-efficiency panels, durable rack batteries, and a robust inverter, it is also expandable with additional storage or panels for future growth.

Key Features
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13kW Off-Grid Inverter – Split-phase 120V/240V AC output for residential & commercial loads
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9.68kW Solar Array – 22 × 440W monocrystalline panels with high conversion efficiency
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25.6kWh Lithium Storage – 5 × 5.12kWh rack-mount LiFePO4 batteries (≥7000 cycles)
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Expandable & Flexible – Add more panels or batteries as energy demand grows
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Smart Protection – Includes DC breaker, PV breakers, and extension cables
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Long-Term Assurance – 25-year solar panel warranty, 10-year battery warranty
Specifications
System Model: SGR-13K
Inverter: 13,000W 48VDC, 120/240V split-phase, pure sine wave, Wi-Fi monitoring
Solar Array: 22 × 440W monocrystalline panels (9.68kW total)
Battery Bank: 5 × 51.2V 100Ah (5.12kWh each) LiFePO4 rack batteries = 25.6kWh
Estimated Production: ~38–42kWh/day (at 4 peak-sun hours; site dependent)
Panels (per module):
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Power: 440W (±3%)
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Vmp / Imp: 33.7V / 13.05A
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Voc / Isc: 39.8V / 13.7A
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Dimensions: 75.2 × 44.7 × 1.4 in
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Weight: 54.0 lb
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Warranty: 25 years linear performance
Battery (per unit):
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Voltage: 51.2V
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Capacity: 100Ah (5.12kWh)
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Cycle Life: ≥7000 cycles
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Certifications: UL1973, UL9540A
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Warranty: 10 years
What’s Included
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1 × 13kW 48VDC Off-Grid Split-Phase Inverter (120V/240V AC)
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22 × 440W monocrystalline solar panels (9.68kW total)
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5 × 51.2V 100Ah (5.12kWh) LiFePO4 rack batteries (25.6kWh total)
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22 × Z-bracket sets for panel mounting
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2 × 50 ft PV extension cables (inverter PV input)
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1 × 200A DC breaker
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2 × 25A PV breakers
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User manuals & wiring diagram
Warranty
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Solar Panels: 25-year linear performance + 10-year workmanship
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Batteries: 10-year warranty (≥7000 cycles)
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Inverter: 3-year coverage per SunGold Power policy
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General Return Policy: 30 days (defective/incorrect items covered by SunGold Power shipping policy)
User Manuals
📑 13kW Off-Grid Solar Inverter Manual (PDF)
📑 LiFePO4 5.12kWh Battery Manual (PDF)
📑 440W Solar Panel Datasheet (PDF)
📑 SGR-13K Wiring Diagram (PDF)
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