Sol-Ark 18K-2P Hybrid Solar Inverter

The Sol-Ark 18K-2P Hybrid Inverter delivers 18 kW continuous and 36 kW surge power, supporting up to ~32.4 kW solar input plus AC-coupled expansion. Built for demanding off-grid or backup needs, it features 48 V battery compatibility, efficiency up to ~97.6%, and rugged IP65/NEMA 3R protection with a 10-year warranty. Perfect for homeowners who need reliable, large-capacity backup and whole-home power independence.

Key Features & Benefits

• 18 kW Continuous Power Output / 36 kW Surge (10 seconds): Handles large loads in grid-down scenarios (e.g. HVAC, motors) without strain. 

• Massive PV Input Capacity: Up to ~32,400 W of PV input (max), ~28,800 W usable under DC coupling; plus ~19,200 W via AC coupling. 

• Battery Compatibility & Fast Charging: Uses nominal 48 V battery systems (operating range 40-60 V), with up to 350 A battery charge/discharge current. 

• Multiple MPPTs & Flexible Solar Porting: 3 full-sized MPPTs, two DC inputs, allowing efficient design and maximizing solar harvest. 

• Strong Grid / Backup Integration: Split-phase 120/240 V (also 208 V), 200 A grid pass-through, fast transfer time, generator or AC coupling ready. 

• Durability & Outdoor-Ready: IP65 / NEMA 3R rated enclosure; operates from –40 °C to +60 °C (with derating above ~45-50 °C); weighs ~62.4 kg (137 lb). 

• Efficiencies & Certifications: Max efficiency ~97.6%; UL1741 (including SB / CRD / PCS), IEEE1547-2018, Hawaiian Electric SRD V2.0, UL1699B, etc. 

• Support & Warranty: Comes with a 10-year standard warranty. 

Technical Snapshot

Why Choose the Sol-Ark 18K-2P

• Resilient Power in Outages: Fast transfer, high surge capacity, battery backup ensures essential loads stay up.

• Scalable Solar Harvest: Large PV input capabilities let you maximize capture, for both DC and AC coupling.

• Future-Proof & Flexible: Compatible battery systems, generator or AC-coupled backup options, stackable / parallel units for increased capacity.

• Built Tough: Weatherproof, wide temperature range, trusted certifications ensure longevity.