Sol-Ark

Sol-Ark Essentials 12K-2P Hybrid Inverter

$4,100.00

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The Sol-Ark Essentials 12K-2P is a 12kW hybrid solar inverter built for residential installers who need reliable partial home backup without the cost or complexity of a full whole-home solution. Supporting 120/240V split-phase output with a built-in transfer switch, the 12K-2P eliminates the need for an external ATS and integrates directly with any AC power source — simplifying the electrical design and reducing permitting friction on most residential jobs.

Certifications & Compliance

UL 1741 Listed | UL 1741 SA (Grid Support) | NEMA-3R Enclosure | 10-Year Manufacturer Warranty | NEC Rapid Shutdown Compliant

The 12K-2P is battery agnostic, working with any 48V battery on the market, giving installers the freedom to spec the storage solution that fits each project’s budget and requirements. With 9kWac of backup output and a 185A battery charger, the system keeps essential circuits running during outages with a 5ms automatic transfer time.

Inverter Output: 9kW backup (essentials loads), 12kW solar input
Grid Pass-Through: 50A
Battery Charger: 185A, compatible with any 48V battery
Transfer Time: Automatic 5ms transfer
Backup Type: Partial home backup (essential loads circuit)
Voltage: 120/240V split-phase output
Built-in Transfer Switch: No external ATS required
NEM 3.0 Ready: Supports time-of-use optimization and self-consumption
EV Ready: Single smart circuit for EV or generator load shedding
Certifications: UL 9540 options available
Enclosure: NEMA 3R outdoor-rated
Warranty: 10-year limited

The 12K-2P is an excellent fit for budget-conscious residential projects, service-panel-constrained homes, or clients who want energy independence for essential appliances without a full panel backup. Its virtual power plant readiness and multi-season time-of-day settings make it a future-proof choice for NEM 3.0 markets. Compatible with the full Sol-Ark ecosystem.

Why Buy From Solwel?

Free Shipping on Orders Over $10,000 — Fast fulfillment from our Houston and Dallas warehouses
Authorized Distributor — Genuine manufacturer-backed products with full warranty support
Expert Technical Support — Our team knows these products inside and out. Call us at (346) 432-4228
Installer Pricing Available — Contact us for volume pricing and contractor accounts
Stocked in Texas — Reduced lead times for Southwest and national projects

Frequently Asked Questions — Sol-Ark 12K-2P Hybrid Inverter

What is a hybrid inverter?

A hybrid inverter combines a solar inverter, battery charger, and automatic transfer switch in one unit. The Sol-Ark 12K can power your home from solar, charge connected batteries, and automatically switch to battery backup during a grid outage — all without manual intervention.

Does the Sol-Ark 12K work without batteries?

Yes. The Sol-Ark 12K operates in grid-tied solar-only mode without batteries. You get solar savings immediately and can add battery storage later. Note: without batteries, the inverter cannot provide backup power during an outage.

Can the Sol-Ark 12K operate off-grid?

Yes. The Sol-Ark 12K supports full off-grid operation with a compatible battery bank — a key differentiator from many competing hybrid inverters. It can island from the grid and power your home entirely from solar and stored energy.

What batteries are compatible with the Sol-Ark 12K?

The Sol-Ark 12K has one of the widest open battery compatibility lists in the industry, supporting most major LFP battery brands via CAN/RS485. Contact us at (346) 432-4228 to confirm compatibility with your specific battery.

What warranty does the Sol-Ark 12K carry?

The Sol-Ark 12K carries a 10-year warranty. Sol-Ark is a U.S.-based company with domestic support. As an authorized Sol-Ark distributor, Solwel supports warranty claims directly.

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