EcoFlow DELTA Pro 3
A 4,096Wh / 4,000W powerhouse that expands toward whole-home backup and supports 240V via a double unit — serious power-cut insurance.
We rank home backup power stations on the specs that matter, value for money and reliability. Here's where we'd put our money this year.
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A 4,096Wh / 4,000W powerhouse that expands toward whole-home backup and supports 240V via a double unit — serious power-cut insurance.
EcoFlow's top-of-range whole-home unit: 6,144Wh per inverter+battery pair, 7,200W continuous output and scaling to 90kWh across three inverters.
3,840Wh with a class-leading 6,000W output and 240V support — runs high-draw appliances and stacks for big home-backup setups.
Bluetti's flagship whole-home system: 3,840W continuous output (7,680W surge) from a single base unit, scaling to 58kWh across multiple linked units.
Jackery's lightest 3kWh-class unit at 27kg, with 3,600W continuous output (7,200W surge) and 1,000W solar input — a fixed-capacity home-backup option.
A modular 24/7 UPS-style kit — the AC300 inverter head paired with one B300K battery — that expands with extra battery modules to over 11kWh.
Also sold as the PowerHouse 767: a 2,048Wh, 2,300W EV-grade LFP unit that expands to 4,096Wh with one add-on battery.