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Tesla Powerwall

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We Work With The Best

How Tesla Powerwall Works?

Tesla Powerwall is one of the most advanced, fully integrated AC battery systems available on the market today. Like other battery storage systems, the Tesla Powerwall allows you to store energy for later use and can function with or without solar panels. The Tesla Powerwall 2 is specifically designed to maximise your home’s energy independence, aiming to reduce your carbon footprint and save on your energy bills.

As a smart system, the Powerwall can be customised to meet your energy needs, learning and adapting to your usage patterns over time thanks to the Tesla Backup Gateway. Each Powerwall system includes at least one Tesla Powerwall 2 and a Backup Gateway, which communicates directly with the Powerwall. This gateway serves as the control centre, managing your solar energy consumption, time management, software updates, monitoring, and backup energy requirements.

What sets the Powerwall apart as one of the best battery storage options on the market is its ability to support larger loads, thanks to its 13.5kWh capacity and 5kW discharge rate.

As Tesla Approved Installers, the team at P4Solar specialises in installing Tesla home batteries. If you are a UK homeowner interested in a Tesla Powerwall, with or without solar panels, our award-winning team can assist you.

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Is Tesla Powerwall Worth it?

Tesla Powerwall 2 at a Glance

Backup Protection

Powerwall can detect outages and automatically become your home's source of energy. With Solar Panels installed your system can also continue to generate and store energy to provide you with energy for days.

Monitor & Optimise

Through the Tesla monitoring platform, homeowners can monitor their energy consumption and generation in real-time, whilst also receiving instant alerts.

Modern & Compact

Tesla Powerwall is a compact, all-one-unit. Its minimalist design makes it the perfect addition to any style of home.


Stack up to 10 Tesla Powerwalls together for a possible 135kWh of home storage.

Touch Safe.

With no exposed wires or vents, Tesla's home battery is pet and child-friendly.

Thermal Monitoring

Thanks to Powerwall's liquid thermal control system and Preconditioning, Tesla Powerwall can perform in any climate.


Tesla Powerwall 2 has a competitive 10 year warranty.


Insightful Solar Battery Analytics:

Obtain priceless information on your solar battery's performance through a user-friendly mobile app. Monitor real-time energy consumption, costs, and efficiency, providing you with the knowledge to make informed choices for efficient energy management.

Uninterrupted Solar Battery Monitoring:

Indulge in continuous solar power oversight right from your fingertips. We configure the solar manufacturers app for you, ensuring 24/7 accessibility. Stay seamlessly connected to your solar battery's performance at all times and take control of your energy consumption whenever and wherever you are.
tesla power

Tesla Powerwall with
Solar Panels Package

From £13,995

6kW Solar Panel System
14 430W All Black Jinko Solar Panels                        
6kW Solis String Inverter
Tesla Powerwall 2 & Gateway
Tesla Monitoring
Full Installation
IWA Registration
MCS Certification
EPVS Validation
DNO Registration
1 Side of Access Equipment
5 Years Workmanship Warranty
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Tesla Powerwall 2 Specs

From £7,995

Battery Capacity: 13.5kWh (100% Depth of Discharge)
Discharge Rate: 7kW Peak / 5kW Continuous
PowerCut Cover: EPS Available
Flexibility: Up to 10 Powerwalls ( 135kWh of Storage)
Installation: Floor or Wall Mounted, Indoor or Outdoor
Size: 1150 x 753 x 147 mm (114 kg)
Technology: LiFePO 4 Cell Technology
IP Rating: IP67 Water & Dust Resistant
Warranty: 10 years
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Any Questions About Tesla Powerwall

How much does Tesla Powerwall cost in the UK?

Benefiting from the recent UK announcement of a 0% VAT on battery storage systems, the starting price for a Tesla Powerwall 2 installation without solar panels is now available from £8,000, excluding VAT. For the most accurate up to take price of a Tesla Powerwall installation, make sure to contact our team.

As Tesla Powerwall is one of the most premium options available on the market, it does come with a premium price tag. If you are looking for a cost-effective battery options, why not take a look at our range of solar batteries to make a comparison.

Is Tesla Powerwall 3 Phase?

Tesla’s Powerwall 2 is a single-phase battery storage system. Whilst it is designed to work with single-phase residential electrical systems, you can still install Tesla Powerwall on a 3 phase supply. Simply by installing a sign unit on each phase or alternatively installing multiple units on one phase. The maximum number of units installed per 3-phase supply is 9 – 3 per phase, whereas you can install 10 Powerwall units on one phase to power single-phase loads. In the event of a power cut, Powerwall will provide backup power to a single phase you select.

Can Tesla Powerwall be Installed Outside?

As the Tesla Powerwall has an IP rating of IP67, meaning it is both dustproof and water resistant, the Powerwall is suitable for both indoor and outdoor installation. Whilst the Tesla Powerwall has an optimal temperate of 10°C to 30°C, it can easily endure outdoor temperatures from -20°C to 50°C. Whilst Tesla Powerwall can be installed outside, to optimise performance it is advised to avoid installing Powerwall in locations: exposed to direct sunlight, subject to extreme temperatures or near a water source.

Unlike many of Tesla Powerwall competitors, Powerwall uses Preconditioning to improve charging performance and minimise the impact low temperatures have on the battery’s ability to charge. As the Tesla home battery can detect the internal temperature, when the temperatures are below freezing, Powerwall draws upon a small amount of energy from the battery to heat itself and improve the overall operation of the battery. This combined with Tesla’s unique liquid thermal management system, allows your Powerwall to operate at lower temperatures better than any other home battery, making the Tesla Powerwall worth it.

How large is a Tesla Powerwall?

The Weight and Size of The Tesla Powerwall 2 is as follows:

Powerwall 2 Dimensions: 1150 mm (L) x 753 mm (W) x 147 mm (D)

Weight: 114 kg

Tesla Powerwall or a Generator?

Tesla Powerwall is a great alternative or addition to a generator. Tesla Powerwall can act as an Emergency Power Supply (EPS) to any home, as it can detect outages and has the ability to keep your home running seamlessly when the grid goes down.

Unlike a Generator, Powerwall responds immediately, requires no fuel, or upkeep and doesn’t make any noise. Powerwall can be added to a system with a backup generator, through the use of an Automatic Transfer Switch (ATS) or a Manual Transfer Switch (MTS), to provide an alternative backup supply, when the Powerwall has a low charge, or if the load exceeds the battery’s maximum output. Although they can be integrated into one system, Tesla Powerwall will not charge from the generator, only the Grid and Solar PV.

Who are Tesla Powerwall Competitors?

In most situations, the Tesla Powerwall ticks most if not all the boxes for our customers. Nonetheless, at P4Solar Solar we also install a variety of other solar batteries. The most competitive alternatives to Powerwall, are the SolarEdge Energy Bank, Givenergy All-One Battery, and Purdrive Purestorage II.

Can Tesla Powerwall be used without Solar Panels

Yes, you can install a Tesla Powerwall without Solar Panels and yes you can charge a Tesla Powerwall 2 from the Grid!

A home battery such as the Tesla Powerwall simply allows you to store electricity. This electricity can come either from renewable energy sources or alternatively the National Grid. Using a home battery without solar panels has become increasingly popular in the UK, due to the competitiveness of time-of-use tariffs such as Octopus Go. By utilising time-of-use tariffs, homeowners can simply charge and store energy from the Grid when the cost per unit is low. This is an effective way to reduce your energy bill, power your home during grid outages, and to top up your Powerwall during the winter months. This can be simply configured through the Tesla monitoring app. Hence why installing a Tesla Powerwall without Solar panels is a great alternative option if your home isn’t suitable for renewable technologies like Solar PV.

Can a Tesla Powerwall be used to charge car?

Yes, if you have an electric vehicle you can charge it using the stored energy from your Tesla Powerwall, making your car partially or fully powered by the sun. Whilst there is no direct connection between Powerwall and the Tesla Wall Connector, when there is excess clean energy generated by your system you can use this energy to charge your Tesla vehicle. Charging your Electric Car with the use of Solar Energy is a great way to maximise your solar savings, whilst reducing your carbon footprint further.

When will Tesla Powerwall 3 be Released?

For more information about the Tesla Powerwall 3 including the release date, please visit our blog which includes everything you need to know about the new Tesla Powerwall 3 battery.
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