A $2.3 billion home electrification bonanza was one of Labor’s most popular election commitments. All households and small businesses are now eligible for a discount of about 30 per cent on the upfront costs of installing a small-scale solar battery.

Roughly 4 million Australians have rooftop solar but very few homes have a battery. We figure that means a lot of people are wondering about the basics of home batteries, so here are seven questions answered.