Best home backup batteries: the 2026 roundup

Capacity, expandability, output and price compared: here are the home backup batteries worth choosing in 2026 to ride out outages stress-free.

Our ranking

Best overall : EcoFlow Delta Pro 3

4096 Wh · 4000 W · 3199 €

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Most modular : Bluetti AC300 + B300

3072 Wh (ext. 12 288 Wh) · 2999 €

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Most powerful : Anker SOLIX F3800

3840 Wh · 6000 W · 3599 €

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Whole-home : EcoFlow Delta Pro Ultra

6144 Wh (extensible) · 5999 €

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Best value : Bluetti Elite 200 V2

2073 Wh · 2600 W · 1299 €

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