PowerGuide

Anker SOLIX F3800 vs EcoFlow DELTA Pro Ultra

A side-by-side look at the Anker SOLIX F3800 and EcoFlow DELTA Pro Ultra. Winning figures are highlighted.

Anker SOLIX
Anker SOLIX F3800
EcoFlow
EcoFlow DELTA Pro Ultra
Price from £3,699£4,299
Capacity 3840 Wh 6144 Wh
AC output 6000 W 7200 W
Surge output 9000 W 10800 W
Battery LiFePO4 LiFePO4
Max with expansion 26880 Wh 90000 Wh
Max solar input 2400 W 5600 W
Weight 60 kg 82.4 kg
Cycle life 3000 3500

Anker SOLIX F3800

The pick if raw output matters — 6,000W handles things the DELTA Pro 3 can't on a single unit. Slightly lower cycle life and a hefty footprint are the trade-offs.

Full Anker SOLIX F3800 review →

EcoFlow DELTA Pro Ultra

The ceiling of what a non-installed, plug-and-play system can do: enough continuous output for a whole home and expansion headroom to 90kWh with extra inverters and batteries. Heavy and expensive — really a whole-home-backup project rather than an impulse buy.

Full EcoFlow DELTA Pro Ultra review →