By completing this form you will receive an instant FULLY INSTALLED quotation.  All prices exclude VAT.  This quote is for guidance purposes only and additional details may be required before Eco7 issue a detailed proposal.  If you would like to proceed or require any further information, please complete the form at the end of the quotation wizard and we will get in touch.



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System Size

What is the size of your PV array in kWp (e.g. 4kW)? Please select the closest value to your actual system capacity.

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PV Installed

Are you looking to retro-fit batteries to a PV system, or do you want to install a batteries without solar for Economy 7 charging?

You have a PV system

You don't have a PV system

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Economy 7/10

Are you on an Economy 7 or Economy 10 (or similar) tariff? This is not a requirement if the intention is to store surplus solar energy; however, if you plan to install batteries without solar you will require a time of use tariff in order to benefit.

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WiFi Monitoring

Do you require a WiFi adapter to allow for remote system monitoring via app or web portal?

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Storage Capacity

What is the amount (kWh) of storage capacity you require? It is not essential at this point that you decide on the storage capacity of the batteries as this can always be determined later.

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Final cost (including VAT)

The final estimated fully installed price (including VAT) is:

Summary (for guidance only). All prices include VAT (charged at 20%) and show as additions to the base price.

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Why Battery Storage?

Energy Storage Produce
Battery Storage Store
Save Energy Save
  • Energy Storage House

We Choose Our Brands Carefully

X1-AC Charger
Sofar Inverters
SolaX Inverters
Pylontech Batteries
LG Chem

Typical Household Appliances And Usage

The power required to run equipment in the home every day varies with each electrical device. Appliances such as microwaves, irons, toaster ovens and hair dryers require high current for short periods of time. Appliances such as televisions, computers, fans and refrigerators use low current for extended periods of time. For example if all of the following devices are used once a day for the stated time, the total usage will be less than 1,500 watt hours.  Installing solar battery storage with 4kWh of usable capacity could power many of your essential devices using free solar energy or energy purchased overnight at off-peak rates.

Run Time Chart

How much energy do appliances actually use?
DevicesWattsTime (Minutes)Usage (Wh)

Battery Options

Eco7 offer a number of battery solutions.  We recommend the TriplePower battery, offering compatibility with the full range of SolaX inverters/charge controllers.  It is the most widely deployed battery solution in the UK to date and is offered with a solid 10 year warranty.  Eco7 can also offer the SolaX/LG (dual branded solution) on DC systems, as well as offerings from BYD, Pylontech and LG Chem.

Eco7 only install the leading battery storage solutions including the AC Charger from SolaX

AC Battery Storage

7 Reasons To Choose Battery Storage

Power Cuts

In the event of a power cut, your batteries will keep your essential appliances powered

Reduce Bills

A domestic battery storage system can dramatically reduce your energy bills.

For Everyone

Batteries can be installed in any property – with or without solar panels.

Price Protection

As energy prices continue to rise, you can protect yourself by having free or off-peak energy ready to deploy at peak times.

System Monitoring

Our battery storage systems come with FREE wifi monitoring, enabling you to monitor and manage your energy.

Government Support

The government, Ofgem and National Grid are all supportive of domestic energy storage and future financial incentives are likely.

FIT Unaffected

Don’t worry! If you are registered for the FIT, adding batteries will have no impact on your payments.

AC or DC

There are two possible solutions for domestic storage systems – AC or DC coupled.

AC-coupled systems are recommended as a retrofit solution (for those who have PV installed).  There is no impact of FIT revenues for those on a high rate (owing to charge/ discharge efficiency losses) and no need to replace the existing DC inverter.  They also open up the possibility of charging batteries from the grid to exploit peak/off-peak price differentials and therefore can be installed without PV.

DC-coupled systems would be preferred for new PV installs where the priority is to store surplus solar energy.  The round-trip efficiency is greater and any impact on FIT (at current rates) would be negligible.  Charging from the grid would still be possible but less efficient and would require a specific metering solution.