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Energy Storage: Frequently Asked Questions

What is a solar battery?

A solar battery is used to store excess solar electricity until it is needed to power your home. Instead of sending excess solar electricity back into the grid, a solar battery will allow you to keep the energy generated by your solar panel system and use it when you need it such as at nighttime or when there is little sun.

Solar batteries can turn a solar panel system into a reliable 24/7 power source. Battery storage is key to allowing a 100% renewable energy source.

Why would I want a solar battery?

A solar battery can help save you money on your electric bill if your utility has time-of-use rates, demand charges, or does not offer net metering. By storing excess electricity produced by your solar panels in a battery, you can avoid pulling expensive electricity from the grid when your solar panel system is not generating enough power to meet your needs.

How do solar batteries work?

Sunlight hits the solar panels, and the energy is converted into electricity. This electricity then enters the battery to be stored until it is needed. When the electricity is needed, it leaves the battery and enters an inverter where it is converted into electricity which can be used in the home.

How long can a solar battery power my home?

A 10 kWh battery is capable of powering a home not running A/C or electric heat for at least 24 hours. This number can easily be extended with careful energy budgeting. When paired with solar, battery storage can provide backup electricity for even longer. Exactly how long you can power a home with solar battery storage will vary by home and depends on your battery storage capacity, the output of your solar panel system, and your electric usage.

What causes solar batteries to drain quickly?

Though solar batteries have more capacity than ever before, they can drain quickly in certain instances. The most common reasons for a solar battery to drain quickly are as follows:

  • Overheating
  • Poor maintenance
  • Increased load
  • Faulty charge controller or inverter
  • Too long between charges
  • Insufficient charge
  • Extreme cold

Battery Options

Solcius offers a variety of battery options to fit your specific needs. Get your free quote here or call us today at 1-844-994-4521 to discuss what battery option would work best for your home.

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Savings calculations are for estimation purposes only and assume a consistent year over year home electricity usage and a 3.9% average yearly utility rate increase.