Sigenergy
Sigenergy SigenStor
8kWh module
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.
4.7 ~£6,500
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Best All-in-One Home Batteries (2026)
We rank all-in-one home batteries on the specs that matter, value for money and reliability. Here's where we'd put our money this year.
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Tesla
Tesla Powerwall 3
PW3
13.5kWh battery with a built-in solar inverter and class-leading continuous output, including whole-home backup.
4.4 ~£7,500
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GivEnergy
GivEnergy All in One
13.5kWh
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.
4.2 £4,999
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Duracell
Duracell Energy Bank
13.1kWh
An AC-coupled all-in-one battery (made with Puredrive Energy) under a trusted consumer brand — retrofits easily to any home, with or without solar.
4.1 ~£6,500
View specs & review