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by Sol-Ark

Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System

SKU: SA-18K-2P
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Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System

Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System

The Sol-Ark 18K-2P is a powerful, all-in-one hybrid inverter designed for whole-home and commercial solar energy systems. With 18,000W continuous output and 36,000W surge capacity, it supports grid-tied, off-grid, and battery backup configurations—making it one of the most versatile solar inverters on the market.

This split-phase inverter is compatible with a wide range of 48V battery types, including lithium, AGM, and lead-acid, and features AC coupling for maximum system flexibility. Its 3 MPPT inputs support up to 28,800W of PV input, with a high-efficiency rating of 97.6%, ensuring you capture and use as much solar power as possible.

The Sol-Ark 18K-2P includes built-in rapid shutdown, arc fault protection, and monitoring, simplifying installation and reducing soft costs. It’s a complete energy management system in one compact unit—ideal for backup power, grid independence, or energy savings.

Specifications:

Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System
Input Data (PV)
Max. Supported PV Power 32,400W
Max. Usable PV Power 28,800W
Max. AC Coupled Input 28,800W
Rated MPPT Operating Voltage Range 150 - 425V
Startup Voltage 125V
Max. DC Input Voltage 1 500V
Max. Operating Input Current per MPPT 36A
Max. Short Circuit Current per MPPT 54A
No. of MPPT/Inputs 3/2
Output Data (AC)
Continuous Power 18,000W
Surge Power (10s) 36,000W
Grid Voltage/ Frequency 120/240; 208 0.88Un<U<1.1Un / 55-65
Max. Output Current 75A
Max. Grid Passthrough Current 200A
Max Efficiency 97.6%
Stackable Yes; Max 12
Battery Input Data (DC)
Nominal DC Voltage 48V
Operating Voltage Range 41 - 63V
Capacity 50 — 9900Ah
Continuous Battery Charge /
Discharge Current
350A
BMS Communication CANBus & RS485 MODBUS
General Data
Dimensions (H x W x D) 33.98 in × 18.27 in × 11.10 in
Weight 137 lb
Enclosure IP65 / NEMA 3R
Ambient Temperature -40~+60°C, > 45°C Derating
Operating Altitude 2 3000 m (9843 ft)
Noise < 50 dB
Protection and Certifications
Certifications and Listings UL1741 3rd SB, UL1741 CRD-PCS,
IEEE1547-2018 and interoperability
using IEEE2030.5, Hawaiian
Electric SRD V2.0, UL1699B PVDC
FCI, UL1998, CSA C22.2 No. 107
PV DC Disconnect Switch Integrated
Ground Fault Detection — NEC 690.5 Integrated
AC Output Breaker - 200A Integrated
Surge Protection DC Type II / AC Type II

Product Documents:

Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System User Manual

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Sol-Ark 18K-2P 120/240V Pre-Wired Hybrid Inverter System Specification Sheet

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