Why Choose Sonnen Batterie?

The Sonnen Batterie is a high technology storage system that has been proven every day in thousands of homes. With the combination of a Solar PV system and a Sonnen Batterie storage in your home, these products will be able to cover 75% of your annual energy requirements.

Take your energy independence to the next level and start generating your home energy guilt free.

The SonnenBatterie eco is the perfect solution for those wanting the greatest possible flexibility. Since it is not bound to any particular photovoltaic system size, its modular design makes it the right companion for you. It can also be easily connected to other power sources and is compatible with a mini wind turbine, a micro co-generation unit or a fuel cell.

The SonnenBatterie eco is also ideally suited for those who already have a photovoltaic system. As the product can be easily connected to existing installed systems enabling you to enjoy solar power energy day or night.

One product, suiting all

At Hero Renewable we know that every household has its own very specific energy needs. That’s why we offer our customers the Sonnen Batterie as it has developed a multi-stage storage system that can be adapted to the most diverse energy needs.

The German manufacturer offer storage sizes ranging from 5 kWh to 15 kWh. The Sonnen Batterie has the power to provide energy for a detached house, a multi-family house and small businesses. The Sonnen Batterie’s energy capacity can be individually expanded in blocks of 2.5 kWh, should you ever feel the need to increase the power storage in your house or business, we’re here to supply you with the power you need.

Sonnen Backup-Box

Sonnen have introduced an emergency power option, meaning that power outages will be forever in the past. The flexible and easy installable Sonnen Backup-Box is compatible with the Sonnen Batterie eco, hybrid and pro to offer you reassurance for a constant power supply in your home. Up to 2.8 kW of peak power are available for the protection of a complete phase.

Technical Specification for Eco 9.43/5kW

Depth of discharge – 90%

Weight (Cabinet 1) – 81kg

Weight (Cabinet 2) – 97kg

Weight (Cabinet 3) – 108kg

Nominal Power – 2.500W

Maximum battery efficiency – 98%

Operating mode – Single Phase

Battery service life – designed for 20 years

Warranty – 10 years

Cycles – 10,000 charges

System scope – Complete storage system, ready to connect

Output – 2.5kW – 3.3kW

Sonnen Batterie Benefits

Installing a Sonnet Batterie has a range of benefits
  • Long-Lasting
  • Pet and Child Safe
  • Gain Energy Independance
  • Multi-Stage Storage System
  • Multiple Size Range From 5 kWh to 15 kWh
  • 10-Year Warranty
  • Maximum Output Range Of 3.3kW

Find Out More

I found their knowledge and advise to be very helpful

Mr Till | Oxford ( YouGen Review )
Hero Renewables first contacted at Newbury show in 2016 where I found their knowledge and advise to be very helpful for me in getting more from my existing Solar installation. It was no surprise then that I eventually placed my Order for their upgrade recommendation and installed additional Solar Panels and Solar-edge Inverters, this done very professionally and is still working great. I additionally also had battery storage added in the form of a Tesla Powerall 2 and can now benefit from using this in the evenings to keep my electricity costs low

Strong after-care

Mr Dawson | Ormskirk ( YouGen Review )
Excellent product, good communication and strong after-care.  Would use again, as and when.

The installation went very afficiently and the crew very helpful.

Mr Sharp | Sussex ( YouGen Review )
I already had Solar Panels when I saw an advert from Hero Renewables for Unused Solar Energy stored by a Battery, This is just what i needed so I replied to the advert and found the company to be very helpfull and informative. I received a quotation and decided to go ahead. The installation went very afficiently and the crew very helpful. The new Battery was liked to my existing Solar Panel System. This has proved very benifitial in storing and my uasage of what would have been wasted energy.

We are very happy with the system installed

Mrs Clarke | Tywyn, Wales ( YouGen Review )
We encountered Hero Renewables at the National Homebuilding and Renovating Show at the NEC in Birmingham where they were the only company exhibiting the Tesla storage battery. Their customer service was very good indeed. Tom Mastin spent a considerable amount of time and effort explaining the system and his talk was followed up by a site visit to agree where the various components could be placed to ensure the best and most convenient results from the system. In terms of value for money, we had some idea of the cost of a PV system without the Tesla battery storage having already had a quote some time ago from a local company and found the quote from Hero to be competitive.We are very happy with the system installed and, with some guidance from Hero, have learnt how to use the system to get best results.

personable and knowledgeable

Mrs Springett | Berkshire ( YouGen Review )
The two lads that installed the system were personable and knowledgeable, they certainly put up with all my questions with a smile. While connecting up my battery to my panels they were happy to have a look at a problem I had with the panels (another company had installed them) and solved it, giving me 25% more power! Again, unlike my panel installer they are keen to support the solaredge monitoring website for my installation and handle any alerts raised.

Overall I'am impressed with the system

Mr Ammon | Milton Keynes, Buckinghamshire ( Google Review )
I had my solar panels and Tesla battery storage fitted in 2017, initially the inverter was not working , it took a while for a replacement to be installed , when the system started working I Used the App to monitor the output. The system has been working now for two and a half years(April-2020) , no maintenance required , the 5KW system generates 45KWH + per day-from April to September, and performance declines over the winter , most days the system feeds power into the battery which can be used after work, there are only a few days a year ,when the weather is dull and overcast and no power is generated. Overall I am impressed with the system and glad I invested the money in an environmentally friendly way .

customer service was very good

Mr McClennon | Llandinam ( YouGen Review )
I chose the installer as they were Tesla-approved, which I felt made them stand out. Their customer service was very good and so far I've found the PV great value, working exactly as intended.

Excellent service

Mr Springfield | Wraysbury ( Google Review )
Supplied and installed my powerwall. Excellent service. It has been working faultlessly for many months now

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