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Sol-Ark Pytes Pro 18K Solar Kit

Sol-Ark Pytes Pro 18K Solar Kit

BY: Sol-Ark | SKU: SA18K-4P-BIF-20.5 Availability: In Stock
$21,226.63

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Sol-Ark Pytes Pro 18K Solar Kit

The Sol-Ark Pytes Pro 18K Solar Kit combines cutting-edge hybrid inverter technology, long-life lithium battery storage, and high-output solar panels into one professional-grade power system. Designed for homeowners, businesses, and installers who demand reliability, it’s capable of operating completely off-grid or seamlessly switching between grid-tied and hybrid modes.

At the center of this kit is the Sol-Ark 18K-2P Hybrid Inverter, delivering up to 18kW of continuous power with 97.6% efficiency. It supports both 120/240V split-phase and 3-phase configurations, making it ideal for residential and commercial applications alike.

Paired with scalable Pytes V5 LiFePO₄ batteries and SunGold 500W or 550W Mono PERC panels, this system is engineered for high-capacity energy storage, real-time smart monitoring, and long-term durability. Whether you’re powering a full home, off-grid property, or mission-critical operation, this kit ensures stable energy performance and complete energy independence.

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Sol-Ark Pytes Pro 18K Solar Kit Features

High-Power Hybrid Inverter - The Sol-Ark 18K-2P inverter delivers 18,000W continuous power and 36,000W surge output, allowing the system to start and run demanding loads such as HVAC units, pumps, and heavy appliances during outages.

Scalable Lithium Battery Storage - The kit includes Pytes V5 LiFePO4 batteries (5.12kWh each), providing expandable energy storage with long cycle life and stable performance for residential or off-grid systems.

Flexible Solar Capacity - The Sol-Ark 18K supports over 40kW of solar input when AC-coupled, enabling large solar arrays and maximizing energy harvesting potential.

Advanced Battery Management - Integrated CANBus and RS485 communication ensures seamless compatibility between the inverter and lithium battery systems for safe and efficient energy management.

Expandable System Architecture - The inverter supports stacking up to 12 units, allowing the system to scale for larger homes or light commercial installations as energy needs grow.

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Sol-Ark Pytes Pro 18K Solar Kit Applications

  • Whole-home backup power – Keep essential appliances running during grid outages.
  • Off-grid living – Ideal for cabins, remote homes, and rural installations.
  • Energy independence – Reduce reliance on the utility grid while maximizing solar usage.
  • Hybrid solar systems – Combine solar, battery storage, and grid power seamlessly.
  • Large residential systems – Designed for high-load homes with multiple appliances.
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What's Included

Everything you need to build your solar energy system. Quantities vary based on the configuration selected.

  • Sol-Ark 18K-2P Hybrid Inverter (1 unit)
  • Pytes V5 LiFePO4 Battery – 5.12kWh (4, 6, or 12 units depending on selected kit option)
  • Pytes V-BOX Battery Cabinet (Outdoor - 4 slot or Indoor - 3 slot cabinet depending on configuration)
  • Sungold Power Solar Panels – Full pallet of 32 panels (500W or 560W Bifacial option)

Sol-Ark 18K-2P Hybrid Inverter Specifications

Input Data (PV)

Specification Details
Continuous Power 18,000 W
Surge Power (10s) 36,000 W
Max. Supported PV Power 32,400 W
Rated MPPT Operating Voltage Range 150 – 425 V
Nominal DC Voltage 48 V
Continuous Battery Charge / Discharge Current 350 A
Max Efficiency 97.6 %
Grid Voltage / Frequency 120/240 V (split-phase) • 208 V (optional)
Stackable Yes; Max 12
BMS Communication CANBus & RS485 MODBUS
Enclosure IP65 / NEMA 3R
Ambient Temperature −40 °C to +60 °C
Weight 137 lb (62.4 kg)
Certifications and Listings UL1741 3rd SB, UL1741 CRD-PCS, IEEE1547-2018 and interoperability using IEEE2030.5, Hawaiian Electric SRD V2.0, UL1699B PVDC AFCI, UL1998, CSA C22.2 No. 107
Standard Warranty 10 Years

Pytes V5 LiFePO4 Battery – 5.12kWh, 51.2V, 100Ah Lithium Iron Phosphate Battery Specifications

Specification Details
Nominal Energy 5.12 kWh
Nominal Voltage 51.2 V
Nominal Capacity 100 Ah
Voltage Range 47.5 V – 57.6 V
Max Charge/Discharge Current 100A (5.12kW DC)
Peak Discharge Current 101A–120A (3min) | 121A–180A (15sec)
Round-Trip Efficiency > 95 %
Cycle Life ≥ 6,000 cycles
Operating Temperature Charge: 32°F–113°F / 0°C–45°C | Discharge: -4°F–122°F / -10°C–50°C
Communication Protocol CAN / RS485
Dimensions (HxWxD) 17.4 × 20.87 × 5.51 in (424 × 530 × 140 mm)
Weight 97 lb (44 kg)
Chemistry Lithium Iron Phosphate (LFP)
Scalability 16 pcs (81.92 kWh) in a group | 6 groups (491.52 kWh) in a system w/ a Hub
Warranty 10 years

Sungold Power 560W Bifacial PERC Panel Specifications

Specification Details
Peak Power (Pmax) 560W
Production Tolerance ±3%
Maximum Power Current (Imp) 13.3A
Maximum Power Voltage (Vmp) 42.1V
Short Circuit Current (Isc) 14.09A
Open Circuit Voltage (Voc) 50.09V
Maximum System Voltage 1500V
Wind Resistance 2400Pa
Output Cables 12 AWG (1 ft per cable)
Number of Cells 144(6x 24),60 cells in series
Cell Type PERC Monocrystalline (7.2x 3.6 in)
Certifications CE TUV
Product Weight 67.9lbs
Product Dimension 89.8*44.7*1.4inch
Package Weight (32 pcs) 2440.0lbs（32PCS）
Package Dimension (32 pcs) 92.9*48.0*61.8inch（32PCS）
Performance 5 year 95% output warranty 10 year 90% output warranty 25 year80% output warranty
Material and workmanship warranty 12 year material and workmanship warranty

Sungold Power 500W MONO BLACK PERC Panel Specifications

Specification Details
Peak Power (Pmax) 500W
Production Tolerance ±3%
Maximum Power Current (Imp) 13.30A
Maximum Power Voltage (Vmp) 37.60V
Short Circuit Current (Isc) 14.09A
Open Circuit Voltage (Voc) 44.36V
Maximum System Voltage 1500V
Wind Resistance 2400Pa
Output Cables 12 AWG (1 ft per cable)e)
Number of Cells 132(6*22)
Cell Type PERC Mono 182×91 mm
Certifications UL 61730, CE, TUV
Product Weight 56.2lbs
Product Dimension 82.44*44.65*1.38inch
Package Weight (32 pcs) 2006.2lbs（32PCS）
Package Dimension (32 pcs) 85.0*48.0*52.0inch（32PCS）
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.

Frequently-Asked Questions

How much energy storage does this kit provide?

Each Pytes V5 battery provides 5.12kWh of usable energy. Depending on the configuration selected, total storage can range from 20.48kWh (4 batteries) up to 61.44kWh (12 batteries).

Can this system power an entire home?

Yes. The 18kW continuous output and 36kW surge capacity allow the system to power most residential loads, including HVAC systems and large appliances.

Is this system suitable for off-grid use?

Yes. The Sol-Ark 18K inverter is designed for grid-tied, hybrid, or fully off-grid solar installations, making it ideal for energy independence systems.

Are the batteries expandable later?

Yes. Additional Pytes V5 batteries can be added to increase total storage capacity as energy needs grow.