Australia’s Best Home Batteries in 2025

For Aussie homeowners considering energy storage in 2025, SolarQuotes has done the legwork. In their latest battery installers survey, the team reached out to good number of battery installers in their national network and asked them what battery brands the like the most.

The results of the survey highlight shifting trends in the solar or home battery market, including a surprising tie for first place.

Tesla and Sungrow Share the Top Spot

Tesla Powerwall and Sungrow are now running neck-and-neck as the most preferred home battery brands among Aussie solar installers, according to the 2025 SolarQuotes battery survey. It's a surprising turn, considering Tesla was streets ahead just a year ago with 53% of the vote. That dominance has clearly slipped.

While Tesla still holds a share of the top spot, the shine may be wearing off. There’s talk that issues with the newly released Powerwall 3 and perhaps even Elon Musk’s increasingly polarising profile—have played a part. Then there are the glitches, like the broken ‘Charge-On-Solar’ feature. One of the SolarQuotes authors experienced this bug firsthand, finding it unusable for electric vehicle charging. It's the kind of thing that rattles trust in an otherwise reliable product.

Of course, Tesla’s reputation stretches well beyond the Powerwall. Founded in 2003, the American company is a major player in both the electric vehicle space and clean energy solutions. Alongside its EVs, Tesla designs and manufactures a suite of energy storage products, from home-use batteries to large-scale commercial systems. Their global footprint includes manufacturing hubs in the US, Germany, and China, underlining the brand’s serious international clout.

Sungrow

Sungrow has seen a big jump in popularity lately, leaping from just 10% last year to now sitting shoulder to shoulder with Tesla. What’s driving that surge? For many installers, it comes down to value. The company’s modular SBR HV battery system, in particular, has struck a real chord—it’s easy to expand and offers solid performance, despite a few early hiccups with their hybrid inverters.

Founded in 1997, Sungrow is a Chinese firm with a strong focus on the new energy sector. They're now a global heavyweight in solar inverters and energy storage, thanks in part to a major commitment to research and development—R&D staff make up a big slice of their workforce. The company ships products worldwide and even operates its own testing centres. They've also taken on some big-ticket projects, including the massive Sungrow Huainan Solar Farm.

Backing up the brand’s claims, the team at SolarQuotes tested the modular battery setup firsthand on a rental property—and found the plug-and-play experience lived up to the hype. Expanding the system was as smooth as advertised, reinforcing why more Aussie installers are sitting up and taking notice.

Sigenergy Surges into Second Place

One of the biggest surprises in this year’s SolarQuotes battery survey was the strong debut of Sigenergy, which burst onto the scene with an impressive 17% of the vote—earning itself second place right out of the gate.

Much of that buzz centres around the company’s flagship Sigenstor system. The sleek all-in-one unit has turned heads thanks to its premium features and smart design. It even offers an optional 25kW bi-directional DC EV charger, making it a compelling choice for households looking to streamline their solar, storage, and EV charging setup into a single, seamless solution.

Sigenergy is still a fresh face in the industry, founded only in 2020 in Shanghai. But despite being the new kid on the block, they’re making waves fast. The company specialises in integrated clean energy products like solar inverters, home and commercial battery systems, and EV chargers. Their edge lies in combining cutting-edge tech—like AI-driven safety features—with robust manufacturing and a strong R&D team backing the innovation. They’ve also attracted solid funding, helping fuel their rapid rise.

Installers have given the system glowing reviews, particularly for how smoothly it goes in and sets up—always a good sign that a product has been properly engineered. With this kind of early momentum, it’s not far-fetched to imagine Sigenergy nabbing the top spot in surveys to come.

BYD Drops to Third

BYD has taken a bit of a slide in this year’s SolarQuotes survey, dropping to third place with 12% of the installer vote—down from second place last year.

That said, the brand is still a dependable option, especially for homes using Fronius inverters. Thanks to a long-standing technical partnership between the two companies, BYD’s batteries pair seamlessly with Fronius’ Gen24 series. The result? A DC-coupled setup that’s efficient, reliable, and hassle-free—an appealing combo for many installers and homeowners alike.

Founded in 1995, BYD is a heavyweight Chinese multinational with its fingers in a lot of pies: electronics, rail, solar, and especially batteries and electric vehicles. While it started out making batteries, the company has grown into one of the world’s top producers of plug-in EVs. Its clean energy arm includes not just storage systems, but also solar panels, making BYD a comprehensive player in the renewables space. With a big focus on research and development, the company has racked up a huge number of patents and runs more than 30 industrial parks worldwide.

As the SolarQuotes team points out, if you're already planning on going with a Fronius inverter, BYD remains a no-brainer.

How Do These Batteries Compare on Price?

To give homeowners a clear picture of battery costs, SolarQuotes published pricing estimates. Their comparison used the 13.5 kWh capacity of the Tesla Powerwall 3 as a consistent benchmark. According to the data presented on the SolarQuotes site, the prices are:

Keep in mind that these prices generally exclude installation charges, which can add $1500 to $2500 for a typical residential installation. An additional cost to consider for Sungrow and BYD batteries is the necessary hybrid inverter. Installations on properties with unique challenges may incur higher costs.

The 2025 SolarQuotes battery survey reveals a more competitive landscape than ever. Tesla still holds prestige, but its dominance is waning. Sungrow has caught up in a big way, Sigenergy is quickly rising through the ranks, and BYD remains a dependable favourite—particularly for Fronius loyalists. For Australians exploring solar storage, these findings offer a clear, installer-backed guide to the best home battery brands on the market right now.

Article source: SolarQuotes - The Best Home Batteries In Australia In 2025: According To Aussie Installers

If you're interested in doing a bit more research on home batteries and diving into the figures and prices, here are a couple of handy tools you may find useful:

• Solar Batteries Compared
• Battery Savings Calculator
• Federal Battery Rebate Calculator

Below is a list of links to customer reviews for every battery brand currently available in Australia.
Free quotes for each brand are also available on the review pages: