Home / Solar Services / SunPower SunVault Battery

CEC Accredited Installer · New Energy Tech Approved Seller · NSW & ACT

SunPower SunVault Battery Storage, Installed By Ausgreen Solar Solutions

Store more of the solar your home or business already generates with a SunPower SunVault lithium iron phosphate (LFP) battery — a stackable, modular storage system built by one of solar's longest-running manufacturers, installed and supported end to end by our CEC-accredited team.

🔋 LFP Chemistry 📦 13–52kWh Configurations 🏠 Whole-Home Backup Option 📋 Free No-Obligation Quote 🔒 Own In-House CRM
SunPower SunVault lithium iron phosphate home battery installed by Ausgreen Solar Solutions

SunPower SunVault battery storage — sized, quoted and installed end to end

LFP Lithium iron phosphate cell chemistry
13–52kWh Published SunVault capacity range
>86% CEC weighted round-trip efficiency (per datasheet)
Top 10 ACT solar retailer by volume, 2025
NSW · ACT SunVault installation service area

What Is A SunPower SunVault Battery?

SunVault is the home battery storage system from SunPower, a solar manufacturer with decades of history in residential and commercial solar technology. Built around lithium iron phosphate (LFP) battery modules, SunVault is offered in a range of published capacities — from a compact single-module system up to larger multi-module configurations for whole-home backup. It's designed to pair with SunPower solar or be added to a compatible existing system, with app-based monitoring through mySunPower.

Ausgreen Solar Solutions selects, sizes and installs SunPower SunVault battery systems as part of our top-listed product range, matching the configuration to your home or business's actual usage pattern rather than a one-size-fits-all package.

🔋 Battery Rebates Can Significantly Cut The Upfront Cost

Eligible small-scale batteries, including qualifying SunVault models, can currently attract a discount under the Cheaper Home Batteries Program, on top of any applicable state-based scheme. Exact eligibility depends on the specific model, its Australian approval status, installation date and your location — our team confirms current entitlements as part of your quote.

The SunVault Range

SunPower SunVault Battery Systems We Install

The SunVault platform's published range covers entry-level households through to whole-home backup configurations — we help you choose the right one.

Entry Configuration
🔋

SunVault 13

A single-module entry configuration suited to an average-sized household's evening usage and essential-circuit backup.

Mid-Tier
🧱

SunVault 19.5 & 26

Mid-tier options for larger families or households with higher evening and overnight usage, with 26kWh beginning to support whole-home backup.

Large Household
📦

SunVault 39

A larger multi-module configuration for bigger homes, all-electric households, or properties wanting greater blackout protection.

Whole-Home Backup
🏗️

SunVault 52

SunPower's largest published configuration, built for households or light commercial sites wanting maximum total storage and outage coverage.

ℹ️ Specifications Vary By Model & Market

SunPower publishes SunVault specifications, model numbers and warranty terms that can change over time, and availability differs between markets. The figures on this page describe the general shape of SunVault's published range — your quote will confirm the exact configuration, usable capacity, current Australian availability, warranty term and any inverter setup recommended for your site.

Built-In Safety & Smart Features

What Makes A SunPower SunVault Battery Different

SunVault is built around LFP cells with a 10-year product warranty and app-based monitoring through mySunPower.

🧪

LFP Cell Chemistry

Lithium iron phosphate cells are widely regarded as one of the more thermally stable lithium battery chemistries available for home storage.

🧩

Stackable Modules

SunVault is built from modular units that combine into the published 13–52kWh configurations, letting households size storage to their needs.

🛡️

10-Year Product Warranty

SunVault is backed by a manufacturer product and performance warranty covering defects and guaranteed capacity retention over the warranty term.

📱

mySunPower App Monitoring

Track generation, consumption and battery state of charge from your phone, and set how much reserve to keep for an outage.

🏠

Whole-Home Backup Option

Larger SunVault configurations with multiple inverters are designed with the potential to back up an entire home, not just essential circuits.

⚡

Automatic Backup Switchover

Designed to transition to backup power during an outage, helping keep selected circuits running with minimal interruption.

🔌

Wall Or Floor Mounting

SunVault enclosures support wall or floor mounting, an important consideration when planning space for larger households.

📡

Efficiency & Rebate Ready

Rated for >86% CEC weighted round-trip efficiency on its datasheet, and considered for compatible rebate programs alongside standard EV charging setups on suitable sites.

The Process

SunPower SunVault Battery Installation In 5 Steps

From first enquiry to switch-on — here's how a SunVault battery project runs with Ausgreen Solar Solutions.

1

Meet & Discuss

Tell us about your existing solar (if any), power bills and what you want the battery to do — bill savings, backup, or both.

2

Site & System Check

We assess your existing inverter, switchboard, phase configuration and mounting location for SunVault compatibility.

3

Sizing & Quote

An itemised quote recommending the right SunVault capacity, including current battery rebate eligibility.

4

Installation

Installed by our experienced, CEC-accredited team, configured for your chosen backup and operating mode.

5

Handover & Support

mySunPower app setup, a walkthrough of how the system behaves day to day, and ongoing in-house after-sales support.

Why Install Through Ausgreen Solar Solutions

A Local Team Behind Your SunPower SunVault Battery

Over 10 years installing residential and commercial solar and battery storage across Australia.

🏛️

New Energy Tech Approved Seller

Committed to meeting consumer protection standards throughout your customer journey with us.

🛠️

10-Year Workmanship Warranty

Installation team with a decade of experience, plus a seasoned inspection team for system design and sizing.

🏆

Top 10 ACT Solar Retailer 2025

Named one of Sunwiz's Top 10 Solar Retailers 2025 in the ACT region by volume.

📞

In-House After-Sales Support

Assured after-sales support with our own in-house team for quality service and total information security.

🔒

Your Data Stays In-House

We use our own in-house CRM — your information is never shared with third parties or information brokers.

📦

Top-Listed Products Only

SunPower SunVault sits alongside other top-listed panel, inverter and battery brands we install, sourced from the US, Germany, Canada, China and Australia.

📡

SkyBox Energy Management

Add deeper visibility into how your SunVault battery, solar and home loads interact throughout the day.

💵

Honest Sizing Advice

We recommend the SunVault configuration that fits your actual usage — not the largest system we can sell you.

Before You Commit

What A Well-Run Battery Project Looks Like

A home battery is a long-term investment. These are the things worth getting right from the start.

  • Confirm your installer is CEC-accredited and check their track record independently
  • Size the battery to your actual evening and overnight usage, not just your budget
  • Check whether your home's single- or three-phase setup suits your chosen configuration
  • Get an itemised quote that separates the battery, installation and any rebate
  • Ask about the battery, module and workmanship warranty terms in writing
  • Confirm whether whole-home or essential-circuit backup is included or needs extra equipment
  • Set up app monitoring from day one so performance is easy to track
Common Mistakes To Avoid
  • Choosing a battery model on price alone without checking site compatibility
  • Oversizing or undersizing storage relative to actual household energy use
  • Assuming every battery model qualifies for every rebate without checking eligibility
  • Skipping a proper site and switchboard assessment before installation
  • Not clarifying whether whole-home backup is included in the quoted configuration
  • Leaving warranty registration and app setup until "later"

Government Incentives That Can Reduce Your Battery Cost

Depending on your location, eligibility and the specific SunVault configuration, several government schemes can be combined with your battery installation.

30% Discount under the Cheaper Home Batteries Program (eligible small-scale batteries)
STCs Small-scale Technology Certificates reduce upfront cost of paired solar
$15,000 NSW Home Energy Saver zero-interest loan (eligible properties)
ACT · TAS Accredited vendor of ACT and Tasmanian Government household schemes
Choosing Your Capacity

SunPower SunVault Battery Sizing By Household

Every quote is tailored to your usage — this is a general guide to how households typically approach SunVault capacity.

Smaller Household

13–19.5kWh Configuration Entry SunVault module(s)

A compact configuration to cover everyday evening usage and essential-circuit backup for an average-sized household.

Growing Family

26kWh Configuration Mid-tier SunVault stack

A mid-tier stack sized for cooking, heating and appliance use after sunset, and typically the entry point for whole-home backup.

Larger Household Or Small Business

39–52kWh Configuration SunPower's largest published SunVault range

The largest published SunVault configurations, for homes with pools, EVs or ducted air conditioning, or for light commercial sites wanting whole-home backup.

Where We Operate

SunPower SunVault Battery Installation Service Areas

Ausgreen Solar Solutions installs SunPower SunVault and other top-listed battery brands across NSW and ACT, alongside our solar and EV charging services.

Sydney & Greater SydneySee our Sydney installation page
Regional NSWContact us for coverage confirmation
Australian Capital TerritoryAccredited vendor of ACT Government schemes
TasmaniaAccredited under the TAS Government Energy Saver Loan Scheme
Common Questions

Frequently Asked Questions

Is SunPower a reputable battery brand?

SunPower is a long-established solar manufacturer, and its SunVault line brings that manufacturing experience to home battery storage, offering an LFP-based system with a published 10-year warranty. As with any battery brand, we recommend confirming current Australian availability, installer support and warranty terms, which is part of every Ausgreen Solar Solutions quote.

Can I add a SunVault battery to my existing solar system?

In many cases, yes — this depends on your existing inverter and switchboard setup. We assess your current system during the site check and recommend the configuration that fits.

Can I start small and add more capacity later?

SunVault is built from modules combined into published configurations from 13kWh up to 52kWh, which is one reason it can suit households wanting to start with a smaller upfront cost and discuss expansion later.

Does a SunPower SunVault battery qualify for the Cheaper Home Batteries Program?

Eligibility depends on the specific model and its approval status at the time of installation. We confirm current eligibility for your chosen system as part of your itemised quote.

Will a SunVault battery give me backup power during an outage?

Backup capability depends on the model and how the system is configured — larger, multi-inverter configurations are designed with the potential for whole-home backup, while smaller configurations typically cover essential circuits. We clarify this upfront so your quote reflects what's included.

Can I monitor my SunVault battery's performance?

Yes — SunVault includes app-based monitoring through mySunPower for real-time generation, consumption and state of charge. We can also add SkyBox Energy Management for more detailed visibility.

What's the first step to getting a SunPower SunVault battery quote?

Book a free, no-obligation consultation using the form below or call 1800 063 388. We'll discuss your home or business's energy use, check compatibility with any existing solar, and prepare an itemised quote.

Get Started

Request Your Free SunPower SunVault Battery Quote Today

CEC-accredited installation. 10-year workmanship warranty. No obligation. Response with a full project plan and itemised quote.

 Book A Free Consultation

Latest Posts