Compare Sonnen Solar Batteries, Prices & Reviews

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A sonnenBatterie will allow your home or business to get much more out of your future or existing solar panel system.

Adding a sonnenBatterie to a solar PV system could potentially see solar energy usage in your property increase to 75% of your annual energy consumption. That means only 25% of energy used would be supplied by your energy supplier – allowing you to make huge savings on your energy bills.

There are 3 different Sonnen solar batteries available, each able to meet different demands: sonnenBatterie eco, sonnenBatterie hybrid and sonnenBatterie pro.

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sonnenBatterie eco

For a property with a solar PV system already installed, the sonnenBatterie eco is the best option in the Sonnen range as it can be fitted to a solar system of any size. This lithium-ion phosphate solar battery allows you to monitor your energy consumption as well as store excess renewable energy for use when the solar panels aren't generating any electricity.

The sonnenBatterie eco can be scaled in steps of 2kWh so even after installation you can continue to increase the maximum storage should your energy demands increase.

sonnenBatterie eco
Usable Capacity (kWh) 4, 6, 8, 10, 12, 14, 16
Dimensions (H x W x D) 4 – 8 kWh: 55 x 26 x 14 inches
10 – 16 kWh: 75 x 26 x 14 inches
Weight (lbs) 377 – 800
Inverter Efficiency 92.5%
Guaranteed Lifetime 10,000 cycles or 10 years
Warranty Inverter: 10 years
Modules: 10 years
Cabinet and components: 1 year

It can also store excess energy generated by mini wind turbines, heat pumps or a fuel cell too.

sonnenBatterie hybrid

The sonnenBatterie hybrid acts as a solar inverter as well as a solar battery. An inverter is a vital part of any solar PV system as it converts the direct current (DC) from the panels into alternating current (AC) which can be used around the home.

The biggest benefit of this is that you'll be saving space as you only need room for the solar battery.

sonnenBatterie hybrid
Nominal Capacity (kWh) 5, 7.5, 10, 12.5 and 15
Depth of Discharge 100%

There are 3 different cabinets in the sonnenBatterie hybrid range that offer a range of capacities in varying module sizes.

sonnenBatterie hybrid Cabinet 1

The smallest of the 3 and only available in a single capacity (5kWh).

sonnenBatterie hybrid Cabinet 1
Battery Capacity (kWh) 5
Weight (kg) 81
Dimensions (H x W x D) 88 x 67 x 23cm

sonnenBatterie hybrid Cabinet 2

A mid-range option available with capacity options of between 5 kWh and 10 kWh.

sonnenBatterie hybrid Cabinet 2
Battery capacity (kWh) 5 7.5 10
Weight (kg) 97 120 143
Dimensions (H x W x D) 137 x 67 x 23cm 137 x 67 x 23cm 137 x 67 x 23cm

sonnenBatterie hybrid Cabinet 3

The cabinet 3 is the largest option in the range with the widest range of capacity options (5, 7.5, 10, 12.5 and 15 kWh).

sonnenBatterie hybrid Cabinet 3
Battery Capacity (kWh) 5 7.5 10 12.5 15
Weight (kg) 108 131 154 177 200
Dimensions (H x W x D) 186 x 67 x 23cm 186 x 67 x 23cm 186 x 67 x 23cm 186 x 67 x 23cm 186 x 67 x 23cm

sonnenBatterie pro

The sonnenBatterie pro is their most powerful solar battery, designed for commercial use rather than installation in a domestic property. It can be scaled to suit the energy demands of businesses of many sizes and includes:

  • Solar inverter
  • Battery modules
  • Energy management software
  • Energy management technology
sonnenBatterie Pro Pro 24 Pro 48 Pro 72 Pro 96
Battery Capacity 24 kWh 48 kWh 72 kWh 96 kWh
Nominal Power 18 kW 30 kW 30 / 60 kW 30 / 60 / 90 kW
(H x W x D)
55 x 28 x 24 inches
Depth of Discharge 100%
Warranty 10 years or 10,000 cycles

What are the Benefits of a sonnenBatterie?

  • Emergency power supply with the sonnenBackup-Box
  • Solar inverter included within the solar battery
  • Lengthy warranty of 10 years or 10,000 cycles
  • Available with a number of capacities that can be scaled for flexibility
  • Energy usage can be tracked and controlled using the sonnen app
  • The eco modules are compact so they won't take up much space and installation is made much simpler
  • Most affordable option of sonnenBatterie

What is the sonnenBackup-Box?

In the event of a power cut, the sonnenBackup-Box will ensure that your home still has a power supply. Within only 3 seconds of the power going out, the sonnenBackup-Box will spring into life to make sure your home is never without power.

It can be fitted at a later date to the solar battery and is compatible with:

  • sonnenBatterie eco
  • sonnenBatterie hybrid
  • sonnenBatterie pro 2.0

How Much does a sonnenBatterie Cost?

A sonnenBatterie will vary in price depending on the model and the capacity you're looking to have fitted. The larger sonnenBatterie pro solar batteries are the most expensive due to their larger commercial size.

Sonnen Solar Battery Potential Cost
sonnenBatterie eco £4,500 – £10,000
sonnenBatterie hybrid £4,500+
sonnenBatterie pro £25,000+

As well as the cost of the sonnenBatterie itself, you will also need to consider the installation. Depending on the installer carrying out the installation, the prices will vary. To ensure you get the most competitive price, we highly recommend comparing multiple quotes.

Take a moment to complete our simple online form and you'll get free quotes from up to 3 fully-qualified solar battery installers based in your area. Once you have the quotes, you can compare them and go with the best one. Should you not want to go ahead with any, there's no-obligation whatsoever.

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