Battery Storage

Buy cheap. Store it. Use it when it counts.

Home batteries that store your solar surplus and off-peak grid electricity, then power your home through the expensive hours.

0%

of solar generation kept on site

7-9 years typical payback
Package deals — save more togetherFinance available — spread the cost

The numbers

Based on a typical average three-bedroom home. Watch the difference battery storage makes to what you pay each year.

  • 1Usage analysis from your half-hourly smart meter data
  • 2Capacity and tariff modelling
  • 3Single-day installation and DNO notification
  • 4App setup and charge schedule tuning

Annual grid import cost — average 3-bed home

Today£0
With Cool Renewables£0
£0saved every year

Smart tariff charging

Automatically charges at 7p off-peak rates and discharges when units cost 30p.

Backup power

Optional EPS keeps essential circuits running through a power cut.

Modular capacity

Start at 5kWh and stack more later as your usage grows.

Common questions

Can I add a battery to existing solar?

Yes — AC-coupled batteries retrofit to almost any existing solar array.

How long do batteries last?

Typically 6,000+ cycles, backed by a 10-year warranty at 70% retained capacity.

Ready to talk Battery Storage?

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Pairs well with