Sol-Ark · Hybrid Inverter
Sol-Ark Limitless 15K-2P-LV Hybrid Inverter
The industry standard for whole-home backup.
The Sol-Ark Limitless 15K is the industry standard for whole-home hybrid installations. It delivers 15 kW of grid-tied real power, 12 kW of continuous backup, and 24 kW of surge to start central A/C, well pumps, and compressors. Three MPPTs support up to 19.5 kW of usable PV, with 200 A grid passthrough, Smart Load control, and a multifunction GEN port for generators or AC-coupled retrofits.
Key features
- 15 kW nominal real power at 240 V
- 12 kW continuous backup, 24 kW 10s surge
- 3 MPPTs supporting up to 19.5 kW usable PV
- 200 A grid passthrough — no main panel upgrade
- GEN port up to 19.2 kW generator or AC-coupled PV
- Stackable up to 12 units in parallel
Specifications
- Nominal Real Power (240V)
- 15,000 W
- Off-Grid Continuous Power
- 12,000 W (10,400 W @ 208V)
- Peak Surge (10s, off-grid)
- 24,000 W (20,800 W @ 208V)
- Max PV Input
- 19,500 W usable / 23,400 W STC — 3 MPPTs, 2 strings each
- MPPT Voltage Range
- 150–425 V (500 V max input)
- GEN Port
- 19,200 W AC-coupled or generator, 80 A
- Grid Passthrough
- 200 A continuous
- Nominal AC Voltage
- 120/240 V; 120/208 V
- Efficiency
- 97.5% max / 96.5% CEC
- Transfer Time
- 5 ms
- Battery
- 48 V nominal, 43–59 V, 275 A charge/discharge
- Dimensions / Weight
- 33 × 19.4 × 12 in / 135 lb
- Enclosure
- IP65 / NEMA 3R
- Stacking
- Up to 12 units in parallel
- Warranty
- 10-year standard
Specifications shown for reference. Lumis will confirm final scope and configuration during system design.