Battery backup for Southwest Florida homes
Florida has had more people per capita affected by power outages than any other state over the last twenty years. In Southwest Florida that isn’t an abstraction — storm season runs half the year, and recovery after a major event is measured in days.
A home battery stores power and delivers it when you need it. Paired with solar, it keeps running indefinitely by recharging each day. On its own, it still provides silent, automatic backup with no fuel to find and nothing to start.
Benefits of home battery backup
Energy Independence
You’re no longer dependent on the grid in an emergency. When it goes down, your home keeps running.
Peace of Mind
Automatic switchover means you don’t have to be home, awake, or do anything at all. Most homeowners notice only that the lights flickered.
Energy savings
A battery stores excess solar production for use whenever you want it. Even without panels, batteries can charge during off-peak hours and discharge when power costs more.
Smarter energy control
Connecting solar to battery storage opens up control options a solar-only system doesn’t have — monitoring, load prioritization and automation.
Silent, with nothing to maintain
No engine, no fuel, no annual service call. It sits there until you need it.
Smart Panels
A smart electrical panel gives you control over individual circuits — what gets power, in what priority, and when.
During an outage that means your battery stretches further, because the system can shed non-essential loads automatically instead of draining capacity on things you don’t need. Day to day, it means visibility into what’s actually using power in your house, and the ability to automate around it.
Smart panels work with or without solar, but paired with solar and storage they’re where the system stops being backup equipment and starts being something you actively use.
Why choose Stilwell
Since 1981. Four decades of solar and electrical work in Southwest Florida. Battery systems are newer; the licensing, engineering and service infrastructure behind them isn’t.
Licensed electrical contractor. Battery installation is electrical work. Check our license numbers in the footer — for us and for anyone else quoting you.
Honest sizing. We’ll tell you what a system actually runs and for how long, not what sounds good in a sales meeting.
Service after the sale. Dedicated field service team, and we’re still here to service what we install.
Battery backup FAQ
Will my solar panels work during a power outage?
Not without a battery. Grid-tied systems shut down automatically when the grid fails, to protect utility crews. Battery storage is what keeps your home powered.
How long will a battery run my house?
Depends on capacity and what you’re running. Backing up critical circuits, most systems run a day or more on their own. Paired with solar recharging daily, a well-designed system sustains those loads indefinitely.
Can a battery run my air conditioning?
Yes, but it drives system size significantly. A/C is the largest load in a Florida home, and backing it up costs more than covering refrigeration and lighting. We’ll show you what it takes.
Do I need solar to install a battery?
No. A battery-only system charges from the grid and provides backup during outages. Solar extends runtime by recharging it each day.
How much does a home battery cost?
It varies with capacity, how many circuits you’re backing up, and whether your panel needs modification. We quote after assessing your home.
How long do home batteries last?
Current systems carry warranties around ten years, often with service life beyond that. Installation location affects it — heat is what wears batteries down.
Can I add a battery to an existing solar system?
Usually, though it depends on your inverter. Some integrate easily; others need an inverter change. We’ll tell you which after looking at what you have.
Is the switchover automatic?
Yes, in a fraction of a second. Most homeowners notice only a flicker.
Get Started with a Stilwell Expert
Don’t be left in the Dark next Power Outage.
