Battery cost
What affects the cost of a home battery?
Battery prices vary with capacity, brand and how the system is set up. Comparing quotes is the most reliable way to see what yours would cost.
The main cost factors
Usable capacity
More storage costs more, so right-sizing to your usage matters.
Inverter setup
Adding to existing solar may need a new hybrid inverter or an AC-coupled battery.
Backup capability
Backup can require extra switching equipment and wiring.
Brand and warranty
Warranty terms and expected lifespan vary between products.
Installation location
Indoor, outdoor, garage or wall-mounted — site conditions affect the work involved.
Incentives
Federal or state support may reduce the upfront cost for eligible systems.
Frequently asked questions
Do I need solar to get a battery?
Most home batteries are paired with solar so they can store daytime solar energy for use at night. Some batteries can also charge from the grid. Installers can explain what suits your situation.
Will a battery keep my power on during a blackout?
Only if the system is designed and installed for backup. Not every battery setup provides backup power, so ask each installer specifically what will and won't run during an outage.
Find out what a battery would cost for your home
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