Sigenergy · 8kWh module
Sigenergy SigenStor
A modular 5-in-1 system (inverter, battery, energy management and optional EV DC charging) that scales to 80kWh, with a standout 15-year warranty.
A4.7 ~£6,500
Specs & review
Best All-in-One Home Batteries (2026)
The all-in-one home batteries we would buy this year, ranked on how well they perform, what they cost and how well they hold up.
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Tesla · PW3
Tesla Powerwall 3
13.5kWh battery with a built-in solar inverter and class-leading continuous output, including whole-home backup.
B4.4 ~£7,500
Specs & review
GivEnergy · 13.5kWh
GivEnergy All in One
Integrated battery, inverter and gateway in one cabinet, with whole-home backup. A strong fit for storage on a single unit, but check warranty support given GivEnergy's recent administration.
B4.2 ~£4,999
Specs & review