Battery storage
Tesla Powerwall 2
13.5 kWh of AC-coupled storage that retrofits onto virtually any existing solar system. Proven, well supported, and still the most requested battery we fit.
Specification
The essentials
- Usable capacity
- 13.5 kWh
- Continuous power
- 5 kW (7 kW peak)
- Coupling
- AC-coupled: ideal for retrofit
- Backup
- Selected circuits with Backup Gateway
- Warranty
- 10 years
- Installed price
- £7,500 – £8,500, zero VAT
Illustrative only. Finance subject to status and credit checks.
Best for
Who Powerwall 2 suits
Existing solar owners
AC-coupling means we leave your working inverter exactly where it is.
Time-of-use tariffs
Charge overnight at off-peak rates and run the house through the expensive hours.
Straightforward installs
A mature, well-understood product with strong UK support and a 10 year warranty.
FAQs
Powerwall 2 questions
Free home survey
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