Home battery installations are surging under the federal rebate scheme, alongside a wave of marketing promising massive systems at bargain prices and energy independence. But installing a battery involves more than plugging in a piece of hardware. How its installed is just as important, as well as having an installer who’ll be around to fix any problems. Whilst most batteries are of a high standard, the Clean Energy Regulator recently found more than 60% of installations are substandard. Dan McCabe and Matt Williams from GI Energy unpack why some batteries are so cheap, what consumers should watch out for, and how to get a system that actually works as intended.