$0 Deposit +Interest Free
EFS Solar supplies and installs the best Battery systems for your home. With power prices on the rise, why not look at other ways to reduce your power bill. Better yet, you can even do it without paying anything upfront on one of our interest-free payment plans through Humm or Brightee.
Keep Your Lights on, Even When the Power Is Out.
After installing a solar system, adding battery storage will help to offset part or all of your electricity costs. With a compatible battery configured for backup, you can also keep essential circuits running during a blackout. And any extra power that your battery doesn't need can still be exported to the grid, earning you credits through feed-in tariffs (rates vary by retailer and state, and can change over time).
Keep Your Lights on,Even When the Power Is Out.
We don't settle for anything but the best for the Battery products we sell & install. By using the best brands such as Tesla, Energizer and GoodWe, we can offer a 10-year product warranty on batteries and inverters, backed by our 30-year lifetime workmanship warranty. You can rest easy knowing your system will perform long into the future.
One of our reps will conduct an on-site assessment of your home before designing a battery system to suit your household needs.
Find out what your roof could save
Battery QuoteThe incentive
$252 per usable kWh
first 14 kWh, 2026 program value
Our fully licensed electricians will come out and install your new battery system and educate you on how to get the most out of it.
As soon as your battery system has been installed and connected, you can start enjoying your savings from day 1.
Rating as shown on our Google Business Profile, August 2026.
Battery Storage across QLD & NSW Batteries Gold Coast Batteries Brisbane Batteries Sunshine Coast Batteries Bundaberg Batteries Gympie Batteries Hervey Bay Batteries Cairns Batteries Ipswich Batteries Sydney Batteries Wollongong Batteries Central Coast Batteries Newcastle Batteries Port Macquarie Batteries Coffs Harbour Batteries Grafton Batteries Northern NSW Batteries Byron Bay Batteries Tweed Heads Frequently Asked Questions Is a solar battery worth it? How much does a battery cost? What size battery do I need? Can I add a battery to my existing solar system? Will a battery keep my power on during a blackout? How long do batteries last?