UK home batteries 2026: every model compared by £/kWh
Every major home battery sold in the UK, ranked by cost-per-usable-kWh — the only metric that lets you compare honestly across brands.
| Battery | Usable kWh | Warranty | Round-trip | £ installed | £/kWh |
|---|---|---|---|---|---|
| Pylontech US5000 | 4.56 | 10y | 95% | £2,400 | £526 |
| GivEnergy 9.5kWh Battery | 9.5 | 12y | 90% | £5,400 | £568 |
| PureDrive PureStorage II 10kWh | 10 | 10y | 92% | £5,800 | £580 |
| Fox ESS EP11 | 10.36 | 10y | 91% | £6,200 | £598 |
| GivEnergy All in One | 13.5 | 12y | 92% | £8,200 | £607 |
| Tesla Powerwall 3 | 13.5 | 10y | 89% | £9,500 | £704 |
| Solax Triple Power T58 | 5.8 | 10y | 90% | £4,200 | £724 |
| Sigenergy SigenStor 8kWh | 8 | 10y | 95% | £7,100 | £888 |