How long each battery keeps the lights on

Nine popular home batteries and power stations, tested against the same blackout: fridge, freezer, furnace fan, lights, Wi-Fi, TV and microwave, 6.9 kWh a day, no sun.

Whole-home · 13.5 kWh · 11.5 kWTesla Powerwall 3Runs these essentials for about 44 hours.Whole-home · 15 kWh · 10 kWFranklinWH aPower 2Runs these essentials for about 2.0 days.Whole-home · 5 kWh · 3.84 kWEnphase IQ Battery 5PRuns these essentials for about 16 hours.Whole-home · 9.7 kWh · 5 kWSolarEdge Home BatteryRuns these essentials for about 32 hours.Whole-home · 10 kWh · 5 kWGeneric 10 kWh home batteryRuns these essentials for about 33 hours.Portable · 6.1 kWh · 7.2 kWEcoFlow DELTA Pro Ultra (1 battery)Runs these essentials for about 18 hours.Portable · 3.84 kWh · 6 kWAnker SOLIX F3800Runs these essentials for about 11 hours.Portable · 2.04 kWh · 3 kWJackery Explorer 2000 PlusRuns these essentials for about 6 hours.Portable · 1.02 kWh · 1.8 kWEcoFlow DELTA 2 (1 kWh class)Runs these essentials for about 3 hours.

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