Sol-Ark SA-18K-2P-N 18kW Hybrid Inverter

Sol-Ark 18kW Residential Hybrid Inverter (SA-18K-2P-N)

The Sol-Ark SA-18K-2P-N is a high-capacity 18kW split-phase and three-phase compatible residential hybrid inverter engineered for whole-home backup, off-grid power, and net-metering solar arrays. Delivering 18,000 Watts of continuous AC output power from 48V battery storage and up to 36 kW of motor-starting surge capability (10 seconds), this system powers demanding loads including central air conditioning, well pumps, and heavy appliances during utility outages.

Equipped with 3 MPPT trackers supporting 6 total PV string inputs, the unit manages up to 28,800 W of usable DC solar power (with maximum supported PV power up to 32,400 W DC, and over 40 kW when utilizing AC-coupled functionality). Built inside an IP65 / NEMA 3R outdoor-rated enclosure, it provides continuous 350A battery charging/discharging capabilities to support large lithium battery banks.

Technical Specifications:

• Model: SA-18K-2P-N
• Product type: Residential hybrid inverter
• Continuous output: 18,000 W
• Surge output: 36,000 W / 10 sec
• Maximum supported PV: 32,400 W
• Maximum usable PV: 28,800 W
• MPPT: 3
• PV strings: 2 per MPPT / 6 total
• Maximum efficiency: 97.6%
• Battery capacity range: 50–9,900 Ah
• Battery current: 350 A continuous
• Enclosure: IP65 / NEMA 3R
• Dimensions (H × W × D): 863 × 464 × 282 mm
• Weight: 62.4 kg / 137 lb
• Warranty: 10-Year Standard Limited Warranty