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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
$19,907.50

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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

Powerful Sol-Ark 18K-2P Hybrid Inverter - The Sol-Ark 18K-2P Hybrid Inverter delivers 18kW continuous output with smart grid-tied, off-grid, and hybrid functionality. Its built-in MPPT charge controllers and generator input simplify system design, while split-phase and 3-phase support make it ideal for both residential and commercial power systems.

Scalable Pytes V5 LiFePO₄ Battery Storage - The system integrates Pytes V5 LiFePO₄ Batteries for safe, long-lasting energy storage. Each 5.12kWh battery includes a built-in BMS with CAN/RS485 communication, ensuring seamless operation with the Sol-Ark inverter. Expand your storage easily by adding more batteries using V-Box Indoor or V-Box Outdoor Cabinets.

High-Output SunGold Solar Panels - Paired with SunGold Power 500W or 550W Mono PERC Panels, the system delivers strong solar performance with excellent shading tolerance.

  • The 550W bifacial panels offer higher yield through rear-side light gain.
  • The 500W black panels provide a sleek, low-profile look for residential rooftops.

Seamless Smart Monitoring - Monitor your energy system in real time through the Sol-Ark web and mobile app, tracking solar generation, battery levels, and power usage from anywhere.

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Sol-Ark Pytes Pro 18K Solar Kit Applications

  • Whole-home solar + battery backup systems – Ideal for powering your entire home during grid outages or peak hours with seamless transition between solar, battery, and grid.
  • Off-grid cabins and sustainable homesteads – Delivers dependable, renewable energy in remote locations without relying on utility connections.
  • Commercial and industrial backup systems – Provides large-scale, reliable backup power for offices, shops, and light industrial facilities.
  • Emergency or medical power infrastructure – Ensures uninterrupted electricity for hospitals, clinics, or emergency response sites where power reliability is critical.
  • EV charging and high-load environments – Handles demanding power loads for electric vehicle charging stations, HVAC systems, pumps, and heavy-duty appliances.
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What's Included

Everything you need is included with your product.

  • Sol-Ark 18K-2P Hybrid Inverter
  • Pytes V5 LiFePO4 Battery – 5.12kWh, 51.2V, 100Ah Lithium Iron Phosphate Battery
  • Pytes V-BOX Indoor Battery Cabinet – 3-Slot Enclosure for V5 Batteries
  • Pytes V-BOX-OC Outdoor Battery Cabinet – 4-Slot Enclosure for V5 Batteries
  • Sungold Power 550W MONO PERC SOLAR PANEL
  • Sungold Power 500W MONO BLACK PERC SOLAR PANEL

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 550W MONO PERC Panel Specifications

Specification Details
Peak Power (Pmax) 550W
Production Tolerance ±3%
Maximum Power Current (Imp) 13.45A
Maximum Power Voltage (Vmp) 41.00V
Short Circuit Current (Isc) 14.03A
Open Circuit Voltage (Voc) 49.7V
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 UL 61730 CE TUV
Product Weight 62.4lbs
Product Dimension 89.7*44.7*1.4inch
Package Weight (32 pcs) 2150.0lbs（32PCS）
Package Dimension (32 pcs) 93*48*49inch（32PCS）
Performance 5 year 95% output warranty 10 year 90% output warranty 25 year80% output warranty
Material and workmanship warranty 10 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

Can the Sol-Ark 18K operate entirely off-grid?

Yes. It can operate independently from the grid while managing solar and battery power intelligently.

Is it possible to expand the battery capacity later?

Yes. The Pytes system is modular—additional batteries can be added up to 491.52kWh as your energy needs grow.

Is this system compatible with existing grid connections?

Yes. It’s fully compliant with UL1741 SB and supports grid-tied, hybrid, and off-grid configurations.

Does this system support remote monitoring?

Yes. You can track system performance and receive alerts through the Sol-Ark mobile app or web portal.

Can this kit run heavy appliances like HVAC or EV chargers?

Absolutely. With up to 24kW surge power, the system easily handles HVACs, pumps, and EV stations.

Is an external combiner box required?

No. The Sol-Ark inverter already includes an integrated PV combiner, though additional boxes can be used for larger setups.