New research from an Adelaide university has found that battery power storage has reached a tipping point where it’s worth the investment and can save families money.

Samantha Corns’ family-of-five uses batteries to power their home and said they are “basically living off the grid.”

The battery, which stores energy generated by her rooftop solar panels, cost her $9,000 after subsidies, and has helped to dramatically slash her power bills.

“We should be absolutely zero, in credits actually,” Ms Corns said.

“It just made financial sense then.”

A study at the University of South Australia agrees.

It found that South Australia has reached the point where a battery will homes enough money to pay for itself, within its warranty period.

Read more: 9 News