How Much Does a Solar Battery Cost?
But one of the first questions homeowners ask is: how much does a solar battery actually cost in 2025, and what will change in 2026?
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.
On EnergySage, Pytes USA Energy offers some of the most affordable batteries at about $651/kWh. You'll typically pay the most for Enphase batteries, which cost about $1,510/kWh. *The average price per kWh of the 10 most quoted batteries on EnergySage in the first half of 2025 (excluding Panasonic, which is closing its solar and storage business).
Solar battery storage capacity typically ranges from 3 kWh to 20 kWh, depending on the model and manufacturer. The higher the storage capacity, the more electricity the battery can hold for use during outages or after sunset. However, more storage comes with a higher price tag.
The average cost to install a solar battery in 2025 ranges from $9,000 to $19,000, with most homeowners spending about $13,000. The total price depends mainly on the type and capacity of the battery, as well as the complexity of your system.
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