18K-2P Sol-Ark Limitless - SA-15K Hybrid Inverter SA-18K 18KWAC 120/240V 200A
Sol-Ark SA-18K Hybrid Inverter — 18kW Split-Phase
The Sol-Ark SA-18K “Limitless” is an 18kW all-in-one hybrid inverter delivering 18kW AC output at 120/240V split-phase with a 200A rapid-transfer switch. Designed for high-consumption homes and light commercial applications, it supports dual MPPT solar inputs and is compatible with high-voltage battery systems. Its “Limitless” designation reflects its ability to stack and expand for larger energy demands.
Key Features
- 18kW continuous AC output — handles the heaviest residential and light commercial loads
- 200A rapid-transfer switch — near-instant grid-to-backup switchover
- Dual MPPT inputs — flexible solar array configuration
- 120/240V split-phase, 200A output — full panel compatibility
- Stackable design — expandable for larger systems
- Grid-tie, hybrid, and off-grid modes — full operational flexibility
- UL1741 & UL9540 certified
Specifications
- Continuous output: 18kW AC
- Output voltage: 120/240V split-phase, 200A
- Transfer switch: 200A
- Dual MPPT inputs
- Battery: LFP/Li-ion compatible
- Certifications: UL1741, UL9540
Ideal For
- High-consumption homes and light commercial facilities
- Whole-home solar + storage with expansion potential
- Off-grid and hybrid installations requiring maximum output
- Systems requiring 200A service-level backup
Ships from Thunder Battery — Canada's trusted Sol-Ark dealer.













