How Much Do Solar Batteries Cost? (2025 Guide)
Solar batteries cost an average of $10,000–$19,000 in addition to installation costs. You may need multiple batteries to power your whole house with solar batteries. Solar
The guide below shares the best solar batteries and installation fees, plus their long-term savings potential. Solar batteries cost an average of $10,000–$19,000 in addition to installation costs. You may need multiple batteries to power your whole house with solar batteries.
Solar batteries typically cost $10,877 after the federal tax credit—which expires for batteries installed after December 31, 2025—for the 13.5 kilowatt-hours (kWh) of storage a typical home needs to keep essential devices running during outages (also the size of a Tesla Powerwall 3). Whether they're worth it depends entirely on your situation.
Unbound Solar offers durable solar battery boxes and enclosures that are ideal for off-grid or grid-tie with battery backup systems. Browse our selection today. Our Solar Battery Guide will help you size your battery bank properly and keep things running smoothly by ensuring a well-designed system that protects your batteries.
If you retrofit a battery to an existing solar panel system, you'll pay extra for labor, wiring, and in some cases, equipment. Incentives can be the difference between batteries being a smart investment and an expensive luxury.
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