HomeVault Plus installation
Best Value

Enertrex
HomeVault™ Plus

The perfect retrofit battery for existing solar systems.

13.5 kWh · 22 kW Peak · Retrofit Ready · From $7,800

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Energy Capacity
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HomeVault Plus unit
Retrofit First

Works with what you already have.

HomeVault™ Plus is engineered to pair with any existing solar inverter. If you already have solar panels, you don't need to replace anything — just add HomeVault™ Plus and start storing your excess energy.

  • Compatible with any solar inverter brand
  • 4 MPPT inputs for maximum harvest
  • 22 kW peak power for heavy loads
  • Expandable up to 4 units (54 kWh)
Key Features

Power and flexibility in one package.

Retrofit Compatible

Works with any existing solar system — no need to replace your current inverter.

22 kW Peak Backup

Handles heavy loads like HVAC, EV chargers, and whole-home appliances simultaneously.

4 MPPT Solar Inputs

Four independent MPPT inputs maximize harvest from different roof orientations.

Scalable to 4 Units

Add up to 3 additional units for 54 kWh total — enough for multi-day backup.

Smart App Control

Monitor energy flows, set schedules, and receive alerts from the Enertrex app.

10-Year Warranty

Comprehensive coverage including a 70% capacity retention guarantee at year 10.

Technical Specifications

Full Spec Sheet

Energy Capacity13.5 kWh
On-Grid Power7.6 kW / 5 kW continuous
Backup Power9.6 kW / 7 kW continuous / 22 kW peak
Inverter Efficiency97.5% solar-to-grid
Solar Inputs4 inputs with MPPT
Dimensions62.8" × 29.7" × 6.3"
Weight343.9 lbs
Max ExpansionUp to 4 units
Operating Temp-4°F to 122°F
Weather RatingWater & dust resistant
CertificationNorth American safety & EMI
Customer Stories

Homeowners love HomeVault™ Plus.

"We already had SolarEdge panels. The HomeVault Plus connected seamlessly and now we have backup power without replacing anything."

David L.
Denver, CO

"The 22 kW peak power handles our whole house including the EV charger. Never had a single issue in 18 months."

Lisa M.
Atlanta, GA

"Best value in the market. We got 4 units for our large home and the savings are incredible. Paid off in 6 years."

Robert P.
Seattle, WA
FAQ

Common Questions

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