Sol-Ark 18K 120/240/208V Hybrid All-In-One Inverter/Charger

The Sol-Ark 18K (18K-2P-N) is a hybrid all-in-one inverter/charger built for demanding residential and light commercial energy storage systems. It delivers 18 kW of continuous inverter power with a 36 kW surge for 10 seconds and 97.6% efficiency, running on a 48 VDC battery bank with 120/240 VAC split-phase output. Three MPPT trackers, integrated disconnects, and a rugged IP65 / NEMA 3R enclosure make it suited for whole-home backup and grid-tied solar.

Key Features:

• 18 kW continuous, 36 kW surge for 10s
• 97.6% efficiency (97.0% CEC)
• Hybrid split-phase, 120/240 VAC output
• 48 VDC battery, 41-63 V range
• 3 MPPT trackers, 500 VDC max PV input
• MPPT range 150-425 V, 125 V start-up
• Max usable PV power 28,800 W
• 350 A continuous charge / discharge current
• 200 A grid passthrough, integrated AC breaker
• IP65 / NEMA 3R, -40°F to 140°F, 10-year warranty

Ideal for whole-home backup, grid-tied, and off-grid solar storage systems, the 18K stacks up to 12 units for large installations. Integrated PV DC disconnect, ground fault detection, and DC/AC Type II surge protection pair with CANBus and RS485 MODBUS communication for seamless battery and monitoring integration. Order the 18K-2P-N (also listed as 18K2PN) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.