Enphase AC Battery

The Enphase
Storage System

A smart battery meets powerful software.
Enphase Storage Icon

Welcome to smarter storage,
powered by the new Enphase AC Battery.

Our high-performance energy storage solution brings you intelligence and better value than anything else, with the industry’s safest and lowest cost of entry. It pairs seamlessly with Enphase microinverters and other solar technologies to help you make the most of your energy.

Enphase storage solutions

Like bread and butter, black and white, sun and sand -- solar and storage are a perfect pair. Storage addresses a fundamental problem of solar energy: while solar production peaks during midday, energy consumption is highest in the morning and evening. With storage, you can save the energy you produce for when you need it most.

The energy storage solution you've been waiting for.

  • Modular with low upfront cost

    • More affordable than other storage options
    • Simple installation keeps extra costs low
    • Modular for a solution that’s exactly what you need
  • High performance

    • 96% round-trip efficiency
    • Optimized for predominent application of 1 cycle per day
    • Most usable capacity (100% D.O.D.)
    • TOU application: Multiple time of use cases supported
  • High reliability

    • Lithium iron phosphate chemistry from A123 for long cycle life
    • Minimum 10-year expected life
    • No single point of failure
  • Safer Icon


    • Highly stable pouch cells from A123
    • Safety certified by TUV Rheinland
    • No high-voltage DC in system
Enphase AC Battery - Modular

A solution that’s just right.

The AC Battery’s modular architecture means you’ll get a storage solution that’s exactly what you need: no more, no less, no wasted costs. The system is easy to expand on as your needs change, as your family grows or you add an electric vehicle. Plus, flexible configurations work for any garage.

enphase storage easy installation

See just how simple it is to install

Watch the time-lapse video of a 4.8kWH Enphase Storage System installation* -- by one installer in 1 hour 40 minutes.

* U.S. installation for demonstration purposes.

Enphase AC Battery

The Enphase AC Battery is an integrated energy storage system that delivers high performance, superior reliability, modular architecture, and safety.

  • Capacity: 1.2 kWh
  • Depth of discharge: 100%
  • Roundtrip cell efficiency: 96%
  • Peak output power: 270 VA
  • Chemistry: Lithium Iron Phosphate (LFP)
  • Battery safety certifications: TUV Rheinland
Enphase Home Energy Solution - AC Battery

Storage and the Enphase Home Energy Solution

Batteries get the buzz, but there’s a whole lot more to energy storage. The Enphase AC Battery shines brightest alongside the rest of the Enphase Home Energy Solution. A seamless integration of solar and storage, it combines microinverters, battery, and connected technology to empower you on a whole new level.

Meet the rest of the Enphase Home Energy Solution

  • Enphase Microinverters

    The world’s most advanced microinverter technology pairs seamlessly with the Enphase storage system for higher production that you can store for later.

    Learn more
  • Enphase-Envoy

    Enphase Envoy

    The networking hub of the Enphase microinverter system connects you to your production, consumption, storage, and the grid.

    Learn more
  • Enphase-Enlighten

    Enphase Enlighten

    The industry’s leading monitoring software lets you track your energy production and consumption, putting you in charge of your energy choices.

    Learn more
  • Image of Enphase Engage Cable, a solar panel cable with pre-installed connectors for Enphase microinverters

    Enphase Accessories

    High-quality, streamlined accessories make Enphase installations simple, reliable, and cost-effective.

    Learn more

The Enphase Storage System has arrived.

Find an installer