EG4 12000XP

InverterReviewed Sep 2026

The short version

The bigger all-in-one off-grid inverter: runs 120 and 240 volts, so it handles well pumps and heat pumps.

Who it's for

Great for
  • Off-grid homes
  • Anything with a well pump or 240V loads
Not for
  • Vans and small rigs
The catch

Its cooling fans get loud under heavy load. Put it in a utility room or shed, not by a bedroom.

Guides that use it

The details

Go deeper: specs that matter
Output120/240V split phase
Size12 kW
PriceAbout $3,000–3,300

Where to get it

Signature Solar sells it with phone tech support, which matters on a first system.

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