Choosing a batteryHow how hard can it be
Start with the basics below on sizing, cost and rebates. When you are ready, our free calculator works out the exact battery and size that fits your home, based on your own energy use.
Learn more about choosing the right battery
The analysis answers it for your home. These explain the reasoning behind it.
Is a home battery worth it?
The arithmetic behind the answer, and why price per kWh decides more than brand does.
Read thisPricesWhat a home battery costs
Real installed prices from the quotes we have analysed, so you know a fair number before you ask for one.
Read thisRebatesHome battery rebates
What the federal rebate takes off a given battery size, plus whatever your state adds.
Read thisWe do the mathYou buy with confidence
Our battery calculator models hundreds of batteries and sizes for your home based on your actual energy consumption and preferences.
12 months of your consumption analysed
Solar export + pricing optimisation
Savings, payback & cashflow estimates
Every major brand simulated
View 100's of battery options
Access to the full quote comparison tool
How our battery calculator works
Three steps, and the first one is the only thing we need from you.
- 1
Connect your energy account
A secure, read only connection pulls 12 months of your half hourly consumption. No meter readings to type in, no estimates from a single bill.
- 2
We simulate every major battery
Each brand and size is run against your real consumption, your solar export, and your tariff, hour by hour across a full year.
- 3
You get the sizing and the payback
The size that fits your home, the models worth considering, the annual saving, and a ten year cashflow with payback. Yours to take to any installer.
Ready to know which battery fits?
Connect your account and we will have your sizing, your shortlist and your payback ready to take to any installer.