Battery storage
Keep More of the Energy You Generate
Store your unused solar energy during the day and use it in the evening, helping you buy less electricity from the grid and take greater control of your energy costs.
- Lower Bills
- Energy Security
- Smart Control
- Greener Future
Why add a battery
Solar makes the power; a battery makes sure you actually use it.
Use your solar after dark
Store daytime generation and power your evenings on free energy instead of the grid.
Charge when it’s cheapest
On a smart tariff, top up overnight at low rates and draw on it during pricey peak hours.
Keep the lights on
Optional backup keeps your essential circuits running during a power cut.
Maximise self-use
Homes with a battery typically use 80%+ of their solar, versus around half without one.
Quiet and compact
Wall or floor mounted in a garage, utility or plant room — you’ll barely notice it.
Full control
Set charging, monitor levels and watch your savings from the app.
Retrofit friendly
Add storage to your existing solar
Already have panels? We can add a battery to most systems and unlock the energy you’re currently exporting for pennies.
- Works with most existing inverters
- Neat, professional install
- Immediately store your daytime surplus
Smart charging
Charge cheap, spend less
Combine your battery with a smart off-peak tariff and it tops up overnight at the lowest rates, ready to power your home through the expensive peak hours.
- Automatic off-peak top-ups
- Ride through peak-rate periods
- See every kWh and £ in the app
Common questions
What size battery do I need?
It depends on your daily usage and solar system. Most homes suit 5–10kWh. We size it during your survey so you don’t pay for capacity you won’t use.
Can I add a battery to my existing solar?
Yes. We retrofit batteries to most existing solar systems, whoever installed them. We check your inverter and wiring first and recommend the neatest option.
Will it power my home in a blackout?
With a backup-capable battery and the right setup, yes — it keeps essential circuits running. We’ll confirm what’s possible for your home.
How long does a battery last?
Typically 10+ years, and most come with a 10-year warranty covering a guaranteed level of capacity.
Is it worth it without a smart tariff?
It still helps you use more of your own solar. But paired with an off-peak tariff the savings are much bigger — we’ll model both for you.
Is the VAT really 0%?
Battery storage installed with, or alongside, solar currently qualifies for 0% VAT in the UK. We’ll confirm eligibility on your quote.
Get the right battery for your home
Tell us your setup and we’ll size a battery that pays for itself — no overselling.