How long can a solar battery provide power during an outage?

by | Sep 14, 2022 | Battery Storage System, Solar Energy

Solar batteries: How reliable are they during an outage?

A solar home battery is a wonderful investment for people who want to go green and save money on their energy bills. But what happens when there’s a power outage? Can your solar battery still provide power? In this blog post, we’ll explore how long a solar battery can provide power during an outage. We’ll also look at some of the best solar batteries on the market today. So whether you’re considering installing a solar battery system or are just curious about how they work, keep reading!


How do solar batteries work and what are the benefits of having one installed in your home

Solar batteries are devices that store energy generated by photovoltaic (PV) cells, which convert sunlight into electricity. When the sun is shining, PV cells generate DC electricity, which is then converted into AC electricity by an inverter. This AC electricity is then used to power your home or business. Any excess AC electricity your home or business doesn’t use is sent to the grid.

At night or during a power outage, the solar battery will provide power to your home or business by drawing on the stored DC electricity. Solar batteries can be used to power your entire home or business, or they can be used in conjunction with a generator.

Some of the Benefits of Solar Batteries

  • Reduced dependence on the grid: Solar batteries allow you to store energy so that you can use it even when the sun isn’t shining or when there’s a power outage. This reduces your dependence on the grid and helps you save money on your electric bill.
  • Environmentally friendly: Solar batteries are powered by renewable energy, which means they don’t produce greenhouse gases or other pollutants.
  • Increased home value: Homes with solar batteries tend to sell for more than homes without them.
  • Tax incentives: In some states, you may be eligible for tax rebates or credits when you install a solar battery.

Further reading: Top Benefits of Solar Power Storage

How long can a solar battery provide power during an outage – is it enough to keep all your appliances running

If you’re like most people, you probably rely on electricity to power your home or business. And, in the event of a power outage, you may be wondering how long a solar battery can provide power for your appliances.

So, how long does a full charge last? That depends on a few factors, including:

  • The size of the battery
  • How much electricity do you use on a daily basis
  • The number of appliances you need to keep running during an outage

A typical solar battery can provide power for several hours, but if you’re running multiple appliances, the duration may be shorter. Still, solar batteries are a great way to keep your appliances running during a power outage.

If you have a small solar battery and you’re only running a few small appliances, such as a TV and some lights, the solar battery will be able to provide power for a longer period of time than if you were running multiple large appliances. On the other hand, if you have a larger solar battery, it will be able to provide power for multiple appliances for a shorter period of time.

In general, you can expect a small solar battery to provide power for 4-6 hours and a large one to provide power for 2-4 hours. However, this will also depend on how much sunlight the solar battery is able to store during the day.

How to choose the right solar battery for your needs


When it comes to solar batteries, there are a lot of options on the market. So, how do you know which one is right for you? The answer depends on a few factors, including your budget, your energy needs, and your personal preferences.

  • Price – Obviously, your budget is going to be a major factor in your decision-making process. If you’re working with a limited budget, you may need to compromise on some of the other features on this list.
  • Energy Needs – How much energy do you need to store? That will partly depend on the size of your solar array and how much sunlight you get in your area. It will also depend on how you plan to use that energy. For example, if you want to use it to power your entire home in the event of a power outage, you’re going to need a lot more storage capacity than if you’re only looking to run a few small appliances during peak hours.
  • Type of Battery – There are two main types of solar batteries: lead-acid and lithium-ion. Lead acid batteries are less expensive but they also require more maintenance and have shorter lifespans than lithium-ion batteries. Lithium-ion batteries are more expensive up front but they require less maintenance and can last up to twice as long as lead acid batteries.

Further reading: Things to consider when purchasing a new solar battery

Are there any government incentives available to help offset the cost of installation

More and more Australians are making the switch to solar power, and it’s not hard to see why. Not only is it environmentally friendly, but it can also save you money on your energy bills. The initial cost of installation can be a deterrent for some, but there are actually a number of government incentives available to help offset the cost. Let’s take a look at a few of them.

  • If you’re a homeowner or business owner in ACT, you may be eligible for a solar battery rebate through the NEXTGEN Solar Battery Rebate program.  The NEXTGEN Solar Battery Rebate is a government-sponsored program that offers a rebate of up to $5,000 for the installation of a solar battery in the ACT area. This rebate is available to both homeowners and businesses, and it can be used to offset the cost of a solar battery system. Check if you’re qualified for the NextGen Rebate here!
  • The federal government offers a program called the Small-scale Renewable Energy Scheme (SRES). Under this scheme, eligible solar PV systems can generate what are called Small-scale Technology Certificates (STCs). STCs can then be sold to help offset the cost of installation. The number of STCs you are entitled to depend on a number of factors, including the location and size of your solar PV system, as well as when the system was installed.
  • In addition to the SRES, many state and territory governments also offer rebate programs for solar installations. For example, in New South Wales there is the Solar Rebate Program, which offers rebates of up to $2,200 for eligible residential customers.

If you’re interested in learning more about how solar batteries work or want to try our solar calculator to see if installing a battery backup is right for your home, contact us today. We would be happy to answer any of your questions and help you take the next step toward going solar.