How Much Does a Home Solar Battery Cost in
Most homeowners spend between $6,000 and $12,000, or $10,000 on average, on a solar battery storage system, with prices
Most solar battery storage systems cost $10,000 on average, with most ranging between $6,000 and $12,000. Prices range from $400 for small units to over $20,000 for larger systems. Key cost factors include battery type, capacity, installation labor, and additional equipment.
Solar battery prices are $6,000 to $13,000+ for the unit alone, depending on the capacity, type, and brand. A home solar battery storage system connects to solar panels to store energy and provide backup power in an outage. *Based on a 30% federal tax credit if installed by December 31, 2032. Get free estimates from solar panel installers near you.
While prices for solar batteries in 2025 range widely from around $7,000 to $15,000 installed, the long-term benefits can outweigh the initial expense. A battery allows you to store excess solar energy for nighttime use, reduce your reliance on the grid, and maintain power during outages.
Two cabinets can connect to a single inverter for up to 36 kWh total backup power. Whole-house solar battery backup costs $20,000 to $32,000 installed, not including solar panels. The average home uses 28 to 30 kWh per day, requiring batteries with at least that total capacity or more to power the entire home for one day.
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