Sol-Ark builds hybrid inverters and battery storage for serious residential solar, and all eight products here are in stock. The lineup includes the 12K, 15K and 18K all-in-one pre-wired hybrid inverters plus a 40kWh high voltage battery bank, with prices from $4,350 to $18,199. These systems suit homeowners planning whole-home backup, large arrays and long-term energy independence. Pick the inverter size from your peak household load, then size the battery bank to how many hours of backup you want. Contact us for sizing help, or compare the specs below.

8 products

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Sol-Ark Hybrid Inverters and Battery Banks for Whole-Home and Commercial Backup

Sol-Ark is the brand homeowners meet when they move past portable power stations and start planning a permanent solar system with real backup. Its inverters are American-engineered 48V hybrids that run grid-tied, off-grid or both, and a Sol-Ark solar system built around one of them can keep a whole house running through an outage rather than a handful of circuits. The residential range is the 12K, 15K and 18K, plus EMP-hardened versions; the commercial range is the three-phase 30K and 60K.

This brand collection carries 14 products: the inverters above, and a matched high-voltage 40kWh battery bank for the 30K. Prices run from $4,350 for the 12K to $18,199 for the battery bank, with the 60K commercial inverter at $14,455.

Sol-Ark 18K 2P-N all-in-one pre-wired hybrid inverter for off-grid and backup homes

How to choose a Sol-Ark system

  • Home size and loads. The Sol-Ark 12K 48V Solar Hybrid Inverter is the entry point for a home that wants solar, storage and grid in one unit. The Sol-Ark 15K All-In-One Pre-Wired Hybrid Inverter is the most common whole-home pick; the sol ark 15k versus sol ark 12k choice comes down to whether you back up a central air conditioner and electric range together.
  • Heavy starts. Homes with well pumps or large HVAC benefit from the Sol-Ark 18K All In One Hybrid Inverter, which delivers 18kW continuous and 36kW surge for 10 seconds at up to 97.6% efficiency.
  • Resilience features. The 12K EMP and 15K EMP add electromagnetic pulse hardening and fleet management for owners who want the system to survive events that damage ordinary electronics; the 15K EMP is battery agnostic with 19,500W of allowed PV.
  • Commercial three phase. The Sol-Ark 30K 120/208V 3-Phase Commercial Hybrid Inverter gives 30kW of output and 39kW of solar input with a 10-year warranty. It pairs with the Sol-Ark High Voltage 40kWh Battery Bank, an indoor IP20 modular bank built from 5.12kWh modules with 36.86kWh usable, for use only with the 30K.

Popular picks in this collection

Product Key numbers Best for Price from
Sol-Ark 12K 12kW AC, 15kW solar input Essential-loads home backup $4,350
Sol-Ark 15K 15kW, 120/240/208V, pre-wired Whole-home solar plus storage $5,650
Sol-Ark 12K EMP 12kW, EMP-hardened, 10yr warranty Hardened home installs $6,649
Sol-Ark 60K 3-Phase 60kW, 78kW solar input, 277/480V Commercial buildings and farms $14,455
Sol-Ark high voltage 40kWh L3 Series indoor battery bank for the Sol-Ark 30K

Sizing tips

  • Use the Solar Kit Calculator before choosing a model. Enter appliances and your ZIP code and it estimates the inverter kW, battery kWh and panel array a Sol-Ark build needs.
  • Count the big four: air conditioner, water heater, range and well pump. If more than two run together during an outage, the 15K or 18K is the safer choice over the 12K.
  • Match PV to input limits. The 12K takes 15kW of solar, the 30K takes 39kW and the 60K takes 78kW, so an array can be added in stages within those ceilings.
  • Choose the battery bank for the inverter. The 40kWh high-voltage bank is specified for the 30K only; residential units use a 48V bank.
  • Plan for indoor placement of the battery bank. The L3 Series is IP20, so it belongs in a garage or utility room, not outdoors.

Frequently asked questions

What is the difference between the Sol-Ark 15K and 15K EMP? Same 15,000W continuous output. The EMP version adds hardening against electromagnetic pulse, fleet management tools and battery-agnostic operation, and costs $7,740 versus $5,650.

Is a Sol-Ark 30k for homes? No. It is a 120/208V three-phase commercial unit for shops, farms and small businesses. Homes on single-phase service should look at the 12K, 15K or 18K.

How long is the warranty? The 30K and 12K EMP listings state a 10-year warranty. Check each product page for the warranty on other models before purchase.

Sol-Ark orders ship free to the mainland US from brand partner warehouses, usually within a few business days, with 30-day returns. If you are designing a full system, call us and we will help line up inverter, battery and array sizes before you order.

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