You might be buying the wrong home battery. Here’s how to tell

MirageC/Getty Australia is installing home batteries at extraordinary speed. Around 600,000 homes now have one, and more than 400,000 batteries were installed in the 12 months to June 2026. This growth has largely been driven by the federal Cheaper Home Batteries Program, which initially cut the upfront cost of eligible batteries by about 30%. This is promising news. Batteries can help households use more of their own solar power and keep essential appliances running during a blackout. They…