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Solar Inverter Products

The inverter is an important part of your Solar PV system, converting electricity generated by your panels into power that can be used by your home or business.

We install a range of string and hybrid inverters, with options for standalone solar systems and installations that include battery storage.

Fox ESS String Inverters

Efficient, intelligent solar power conversion.

Fox ESS G Series three-phase solar string inverter for solar PV installations.

Why choose the Fox ESS String Inverter?

Fox ESS string inverters convert the electricity generated by your solar panels into usable power for your property.

With smart monitoring, reliable performance and compatibility with Fox ESS battery storage, they provide a practical solution for modern Solar PV installations.

Features:

High conversion efficiency
Smart monitoring through the Fox ESS app
Quiet, reliable operation
Compatible with Fox ESS battery storage
Designed for long-term performance and reliability

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Sigenergy Single Phase Inverter

Intelligent solar performance with future-ready technology.

Sigenergy Sigen Energy Controller single-phase hybrid inverter.

Why choose the Sigenergy Single Phase Inverter?

The Sigenergy Single Phase Inverter is designed to manage solar generation while integrating with battery storage and EV charging.

As part of the wider Sigenergy energy system, it allows homeowners to monitor and manage their energy through one platform.

Features:

High conversion efficiency
Integration with Sigenergy battery storage
Compatible with smart EV charging
Intelligent energy management through the Sigenergy app
Quiet, compact design
Remote monitoring and software updates
Suitable for expanding home energy system

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Fogstar Hybrid Inverter

Reliable, efficient power for your solar energy system.

Why choose the Fogstar Hybrid Inverter?

The Fogstar Hybrid Inverter manages electricity generated by your solar panels while integrating battery storage and household energy use.

With smart monitoring and battery compatibility, it provides a flexible option for new Solar PV installations and system upgrades.

Features:

High conversion efficiency
Integration with Fogstar battery storage
Intelligent energy management
Smart app monitoring and remote control
Quiet, compact design
Built-in safety features
Suitable for new installations and upgrades

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Tesla Powerwall 3

Battery storage with an integrated solar inverter.

Why choose the Tesla Powerwall 3?

Tesla Powerwall 3 combines battery storage and a solar inverter within one system, allowing solar generation and stored energy to be managed together.

The Tesla app provides visibility of your home’s generation, storage and electricity use, while backup power can also be provided where the system is installed and configured for it.

Features:

Integrated battery and solar inverter
Energy management through the Tesla app
Backup power capability where installed and configured
High-efficiency solar energy conversion
Space-saving design
Remote monitoring and software updates
Designed to integrate with Solar PV

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Commercial Solar Inverters

For larger Solar PV installations, we also supply and install commercial inverter solutions from manufacturers including Fox ESS, Fogstar and Sigenergy.

Systems can be designed around the size of the installation, available electrical supply and energy requirements of the business.

Fox ESS H3 PRO 30kW three-phase hybrid solar inverter for commercial solar PV and battery storage systems.

Fox ESS H3 Pro 30kW Hybrid Inverter

Powerful hybrid inverter technology for commercial solar installations.

The Fox ESS H3 PRO 30.0kW is a three-phase hybrid inverter designed for larger Solar PV systems, combining solar power conversion with battery storage integration.

With a 30kW power rating, intelligent energy management and monitoring capabilities, it provides a flexible solution for businesses looking to make better use of their solar generation and stored electricity.

Find out more about our Commercial Solar PV installations.

Fogstar GEN-LB-EU 10K hybrid solar inverter for solar PV and battery storage installations.

Fogstar GEN-LB-EU 10K Hybrid Inverter

Flexible solar and battery storage integration.

The Fogstar GEN-LB-EU 10K is a 10kW hybrid inverter designed to manage solar generation and battery storage within one system.

With three-phase operation and energy monitoring capabilities, it provides a practical solution for properties looking to make better use of generated electricity and stored energy.

Find out more about our Commercial Solar PV installations.

Sigenergy Three-Phase Energy Controller

Intelligent solar and battery management for commercial properties.

The Sigenergy Three-Phase Energy Controller combines solar power conversion with intelligent energy management and battery storage integration.

Available in a range of power ratings, it provides a flexible solution for businesses looking to manage solar generation, store excess electricity and make better use of their energy.

Find out more about our Commercial Solar PV installations.

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Choosing the Right Solar Inverter

The right inverter depends on your Solar PV system, property and whether you want to include battery storage now or in the future.

M J Wallace will recommend a suitable inverter as part of the design of your complete system.

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Ready to get started?

Get in touch for a free, no-obligation assessment of your electricity usage and needs. We'll recommend the right standalone battery for your home - no solar panels required.

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M J Wallace Limited is an Introducer Appointed Representative (Financial Services Register No. 1050169) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.

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M J Wallace Limited is an Introducer Appointed Representative (Financial Services Register No. 1050169) of Phoenix Financial Consultants Limited (Phoenix). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.

      
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   Kenny Andrew 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently had a battery-only installation from M J Wallace, it's been a perfect addition to our house so we can now charge during the off peak hours to use cheap electric during the day. The team were excellent and we would highly recommend this company to others.
  
 
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   Mark 
 
 
 
 Trustindex verifies that the original source of the review is Google. What a fantastic experience as a customer!  From start to finish Mike and his team were superb in every way.  They installed aircon in our home, no mess, very professional and very polite.  DO NOT go anywhere else if you need aircon as these guys are amazing.
Thank you Mike and team
  
 
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   Raja Bandak 
 
 
 
 Trustindex verifies that the original source of the review is Google. The solar installation with 10 panels , 2 batteries and inverters, including one in case the grid has a powder cut and will let us use our own battery supply and an EV charger were all fitted between 9 am and 2pm when the 6 man team had all left.The system is working really well and although more pricey than some installers, the quality of the installation and equipment is worth it.
  
 
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   Joy Blundell 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent...fast efficient service.  Would highly recommend M J Wallace LTD and the installers Joe and John polite and professional.
  
 
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   Brad Sheward 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great work from Mike and his team. 100% recommend
  
 
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   Andrew Bell 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently had air conditioning units fitted by MJ Wallace. Our dealings with the company were first class from start to finish. Mike was really helpful, patiently answering all my questions and responding quickly to all emails. The lads (Alex, Key and Ollie) who fitted the units working tirelessly and diligently. Overall really happy with the work and would happily recommend MJ Wallace.
  
 
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   Eco Ess 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mike recently completed an installation for one of our customers and did an excellent job from start to finish.
The feedback from the customer was extremely positive, and from our side Mike was professional, knowledgeable and straightforward to work with throughout. It’s always important to us that customers receive the same level of service during installation that we expect from our own team, and Mike absolutely delivered that.
We’d have no hesitation recommending him and would be very happy to work with him again.
  
 
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   Joanne Bradbury 
 
 
 
 Trustindex verifies that the original source of the review is Google. Highly recommend Mike & the team, they are prompt, friendly, professional and are my first choice every time, nothing is too much trouble and from contact to quote to deliver you know what it’s going to cost and always get a great job.
  
 
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   Robert Wood-Bennett 
 
 
 
 Trustindex verifies that the original source of the review is Google. Outstanding service from M J Wallace Limited. Having gone through a solar panel installation once before with another company, the level of professionalism and efficiency here was far superior. They supplied and fitted 12 solar panels, a Fox Cloud battery and inverter, and a Hypervolt car charger. Communication was brilliant throughout, the work was completed remarkably fast, and the site was left clean and tidy. Exceptional team.
  
 
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   Garry Wallace 
 
 
 
 Trustindex verifies that the original source of the review is Google. Of the 3 different solar companies we contacted for a quote, Mike was the only person who actually came out to look at the job properly and took the time to understand exactly what we wanted rather than just sending over a generic quote. He gave us a design built around our needs and took the time to explain everything so we actually understood what we were getting and why.

We ended up booking a complete solar installation with battery storage, full backup capabilities and an EV charger. We couldn’t be happier with the finished installation.

From the initial visit right through to completion, it was clear that Mike and the team really know what they’re talking about. Everything was explained properly, our requirements were listened to, and the quality of the finished job is excellent.

We honestly couldn’t recommend M J Wallace highly enough. A great company to deal with from start to finish.

Thank you very much to Mike and the whole team!

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M J Wallace Limited. Registered in England and Wales. Company No. 10111515. VAT Number. 248379956. Registered Office: Unit 4a Ni Park, Chetwynd Aston, Newport, England, TF10 9LH.

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