For service of existing systems email service@fullspectrumsolar.com
Madison Area
608-284-9495
1240 East Washington Ave
Madison, WI 53703
Waukesha/Milwaukee Area
262-216-6033
2110 Pewaukee Rd, Unit 103
Waukesha, WI 53188
When the grid goes down, a home battery backup system keeps your lights on and your life moving. Unlike a portable generator, a battery system responds automatically—often within a fraction of a second—so you may not even notice the outage. The system isolates your home from the grid, powers essential circuits, and delivers clean, quiet electricity without fuel, fumes, or extension cords.
Battery backups are typically paired with solar, allowing your panels to continue producing energy during daylight hours. That means your refrigerator stays cold, your sump pump keeps running, medical devices remain powered, and you can charge phones and laptops to stay connected. Smart energy management lets you prioritize high-need circuits and extend runtime during longer outages.
Beyond resilience, batteries provide peace of mind. Severe weather events are becoming more common, and utility disruptions can last hours—or days. A properly sized battery system turns your home into a self-sustaining hub, protecting comfort, safety, and productivity when you need it most.
For service of existing systems email service@fullspectrumsolar.com
Madison Area
608-284-9495
1240 East Washington Ave
Madison, WI 53703
Waukesha/Milwaukee Area
262-216-6033
2110 Pewaukee Rd, Unit 103
Waukesha, WI 53188
