Price of Solar Battery in the UK [2023 Updated]

price of solar battery

We are in a generation where we all want to invest in the resources that last longer. By keeping the same in mind, people have started investing in the solar battery as it saves a lot of money to them in the long run.

There is no doubt in the fact that these devices have changed our perspective regarding energy consumption and environmental responsibility. But people have a question about how much will it cost. So, to help you with the same aspect, we will explore solar battery prices and other relatable factors in detail. If you are new to this sector all these details will help you out. So, without any delay, let’s look at all these details!

Part 1. Price of Solar Battery in the UK

The cost of a solar battery storage system in the UK varies according to the factors. The factors include capacity, brand, and installation costs. On average, you can expect to pay anywhere from £1,000 to £2,500 per kWh of storage capacity. Here is a rough breakdown of the average solar battery storage price of lithium-ion and lead acid batteries for different capacity solar batteries:

Lithium-ion Solar Battery Costs

Usable capacity (kWh)

Estimated solar battery price (Lithium-ion)

3 – 4 kWh

From £3,410

4 – 7 kWh

From £4,288

7 – 9 kWh

From £5,185

9 – 13.5 kWh

From £5,920

4kW Lead-Acid Batteries vs Lithium-ion Batteries Overview


Lead-Acid Battery

Lithium-ion battery

Preliminary solar battery price



Storage capacity (kWh)

4 kWh

4 kWh

Depth of Discharge (DoD)



Life cycle



Cost/kWh/ Cycle*



Part 2. Factors influencing the Price of Solar Battery

Several factors are responsible for influencing the price of the solar battery. These are as follows:

1. Battery Capacity:

Among all the important factors, the primary factor we need to consider includes Battery capacity. Do know the battery capacity is measured in kilowatt-hours (kWh). It is quite easy to understand that the more energy a battery can store, the higher its price will likely be. In that case, the Larger capacity batteries installed are responsible for providing more power to appliances and provide backup for a longer duration during cloudy days or power outages as well.

2. Battery Chemistry:

The type of battery chemistry used significantly determines its price. Among all the different types of options available, Lithium-ion batteries are the most common choice for solar applications. This is due to their high energy density and longevity. But do know lithium-ion batteries have variations in quality and performance. This has a major impact on the cost. One can choose the battery that goes as per their budget.

3. Brand and Manufacturer:

Reputation is also one of the biggest factors that has an impact on solar batteries. A reputable manufacturer usually charges premium prices for their products. This premium is usually justified by better quality, longer warranties, and more reliable customer support.

4. Installation Costs:

Installing a solar battery system involves more than just purchasing the battery itself. Costs for installation, permits, wiring, and labor have a major impact on the price of the solar battery. Installation costs may also vary depending on your location and the complexity of the installation.

5. Government Incentives and Rebates:

Government policies and incentives also turn out to be a determining factor for the cost of solar batteries. In the UK, for example, various grants, subsidies, and tax credits may be available to homeowners or businesses installing solar battery systems. These incentives can make a substantial dent in the overall price.

Part 3. How Much Money You Can Save with Solar Battery?

Investing in a solar battery can also lead to much savings on your energy bills as well. By storing solar energy during the day, you can power your home or business when the sun isn't shining, reducing your power dependency on grid electricity.

If you are looking for an impressive solution, it is the BLUETTI EP500Pro Power Station. It comes up with a remarkable capacity and efficiency. This power station can store significant solar energy, allowing you to power your essentials during outages or peak-demand hours. There are so many features that make it a remarkable choice, and these are as follows:

  • 5100Wh LiFePO4 Battery with Over 6000+ Charge Cycles
  • 3000W Pure Sine Wave AC Inverter
  • Portable Power Station that is easy to move wherever you go.
  • Dual Operating Modes: In-grid UPS and Flexible UPS (24/7)
  • Off-grid Energy Storage Capability
  • Simultaneous Charging for Multiple Devices
  • Versatile Recharging Options to Ensure EP500Pro's Constant Operation
  • Remote Control via Mobile App
  • Intuitive Smart Touchscreen Interface

Part 4. Grants for Solar Batteries in the UK

There are several grants that a consumer needs to seek before they choose to invest in solar batteries in the UK. These are as follows:

Smart Export Guarantee (SEG):

The SEG is a government scheme allow individuals and businesses with solar panels and solar batteries to receive payments for the surplus electricity they generate and export back to the grid. It helps encourage the use of renewable energy and helps offset the cost of installing a solar battery.

Renewable Heat Incentive (RHI):

While primarily focused on renewable heating systems, the RHI may provide financial support for some renewable technologies, including solar thermal systems with energy storage. This initiative is designed to reduce carbon emissions and promote renewable heat generation.

Energy Company Obligation (ECO4):

ECO4 is an energy efficiency program that can provide financial assistance for low-income households to improve their energy efficiency and reduce energy bills. In some cases, it may support the installation of solar panels and solar batteries.

Local Authority Grants:

Some local authorities in the UK offer grants or incentives to encourage the adoption of renewable energy technologies, including solar batteries. These programs may vary from one area to another, so it's worth checking with your local council.

Part 5. Lifespan of Solar Batteries

Before investing in solar batteries, people have considered whether these are long-term investments. Well, the lifespan of solar batteries ranges from 5 to 15 years, depending on various factors. Compared to other available batteries, high-quality lithium-ion batteries, like those commonly used in solar applications, tend to last longer than lead-acid batteries.

Proper maintenance and usage patterns also play an important role in determining a solar battery's lifespan. Regular maintenance, such as keeping the battery at an optimal state of charge and avoiding extreme temperature fluctuations, can extend its life.

Part 6. Pros and Cons of Solar Batteries

As we all know, every device we consider using regularly comes up with certain pros and cons. Likewise, there are some with solar batteries. These are as follows:

Pros of Solar Batteries:

  • Energy Independence
  • Reduced Energy Bills
  • Environmental Benefits
  • Backup Power
  • Grid Support and Stability

Cons of Solar Batteries:

  • Initial Cost
  • Limited Lifespan
  • Efficiency Variability

Part 7. Are Solar Batteries Worth It?

This question is one of the most common questions among homeowners and businesses exploring sustainable energy solutions. The answer depends on several factors, including location, energy consumption, and environmental priorities.

Solar batteries offer several compelling advantages. Among all the advantages the top one is that it enables you to store excess solar energy for use during cloudy days or at night. This will lead to less dependency on the grid and as a result lower the bills as well. Furthermore, solar batteries contribute to a cleaner environment by reducing carbon emissions and supporting the transition to renewable energy.

However, it's important to consider the initial cost of purchasing and installing a solar battery system and ongoing maintenance expenses. The return on investment can vary, and it may take several years to recoup the upfront costs through energy savings and incentives. Ultimately, the worthiness of solar batteries hinges on your long-term energy goals and financial situation.

BLUETTI Solar Battery in Garage

Part 8. FAQs about Solar Battery

How Many Solar Batteries Do You Need for Your House?

The number of solar batteries needed for a house depends on its energy consumption and the desired level of energy independence. A home with a small family might require 2-4 batteries to store enough solar energy for nighttime or cloudy days. It's essential to assess your energy needs, solar system capacity, and backup duration to determine the right number of batteries for your specific situation.

Can I Install Solar Batteries?

Yes, the ability to install solar batteries depends on various factors. Adding a battery is advisable if you already have a solar panel system. However, consider factors like available space, budget, and local regulations. Consulting a solar professional is advisable to assess your situation and determine the best approach for installing solar batteries.

Is 5kW solar battery enough?

Depending on their energy consumption and goals, a 5kW solar battery can be sufficient for many households. The batteries installed will be helpful for users in storing excess solar energy for nighttime use or during power outages. As a result, it will reduce dependency on the grid.

But do know, the adequacy of a 5kW solar battery varies. So before finalizing it for your household, do evaluate your energy needs and consult with a solar expert to ensure it meets your specific requirements.

Final words

In conclusion, choosing the right solar battery is important for energy-conscious individuals and businesses. The BLUETTI EP500Pro Power Station stands out as an exceptional choice when seeking reliability, capacity, and advanced features. With a remarkable capacity and efficient performance, it ensures you have ample stored energy for essential needs during outages or peak-demand periods!

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