Sized by real load math
Best power stations for home backup
Ranked by lifetime cost per kWh among units with at least 1,800 W output — enough for a fridge, sump pump and essentials with surge headroom. Full methodology. Updated 2026-07-14.
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1
Bluetti AC1801,800 W output covers fridge + essentials with surge headroom; ~0.6 days of essentials per charge
$449 · $0.11/kWh lifetime
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2
Anker SOLIX C10001,800 W output covers fridge + essentials with surge headroom; ~0.5 days of essentials per charge
$399 · $0.13/kWh lifetime
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3
Bluetti AC200L2,400 W output covers fridge + essentials with surge headroom; ~1.0 days of essentials per charge
$799 · $0.13/kWh lifetime
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4
Anker SOLIX F20002,400 W output covers fridge + essentials with surge headroom; ~1.0 days of essentials per charge
$899 · $0.15/kWh lifetime
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5
EcoFlow DELTA 2 Max2,400 W output covers fridge + essentials with surge headroom; ~1.0 days of essentials per charge
$949 · $0.15/kWh lifetime
Not sure which fits? Add your actual appliances to the Load Builder — it ranks every unit against your real load.