A battery retrofit in Brisbane adds storage to a solar system you already own, so the power you generate during the day stops being exported for cents and starts covering your evening usage. Crusader Electrical & Air completes retrofits as a licensed electrical contractor (Lic. No. 91149).
The right retrofit approach depends almost entirely on your existing inverter. Some systems are battery-ready and need only a compatible battery and settings change. Others need a separate battery inverter, or a hybrid inverter to replace the existing unit. We assess what you have before recommending anything.
Battery Retrofit Options for Brisbane Homes
First, battery-ready systems: if your inverter was designed for storage, the battery connects directly and the job is quick. Second, AC-coupled retrofits: a separate battery inverter is added alongside your existing one, which works with almost any system and leaves your current hardware untouched. Third, hybrid replacement: your existing inverter is replaced with a hybrid unit that manages both the panels and the battery, which is often the cleanest result when the original inverter is due for replacement anyway.
What We Check Before Quoting
We confirm your inverter make, model and age, the capacity and condition of your switchboard, and where the battery can physically live, out of direct sun and weather. If the switchboard needs work to take the dedicated battery circuit, our switchboard upgrade team completes it in the same visit. Every retrofit finishes with testing and a Certificate of Test.
What a Battery Retrofit Costs Depends On
Retrofit pricing varies with the path your system needs. An AC-coupled battery is usually the simplest addition, while swapping to a hybrid inverter costs more up front but consolidates the system. Battery capacity, switchboard condition, cable runs, and whether you want backup circuits during a blackout all shape the quote. We inspect first and quote in writing, with no surprises on the day. For background on how battery approvals and small-scale certificates work, the Clean Energy Regulator explains the framework.
Battery Retrofit Brisbane FAQs
Can I add a battery to my existing solar system?
In most cases yes. The path depends on your inverter: battery-ready units connect directly, otherwise an AC-coupled battery inverter or a hybrid inverter replacement does the job. We assess your system before recommending an approach.
Will a retrofit affect my feed-in tariff?
Adding a battery can change your connection details with your retailer and, for some older premium tariffs, may affect eligibility. We flag this during the assessment so there are no surprises on your bill.
How long does a battery retrofit take?
Most retrofits are completed in half a day to a day, depending on whether switchboard work or an inverter changeover is included.
Is my solar system too old for a battery?
Rarely. Even older systems can usually take an AC-coupled battery. If the panels or inverter are near end of life, we will tell you honestly whether a partial system upgrade makes more sense than a straight retrofit.
Starting from scratch instead? See solar and battery installation, or call 07 3060 9105 for a retrofit assessment.
Why Use Crusader Electrical
Licensed Electrical Contractor
Queensland Electrical Contractor Licence No. 91149.
$20M Public Liability
Full public liability insurance cover on every job.
SAA Solar Accredited
Solar Accreditation Australia No. S5168237.
No Subcontracting
Every job is handled by our own licensed electricians.
