Which is better for whole-home backup?

The EcoFlow Delta Pro 3, for its 4,000W base output, 240V support and 10 ms UPS switchover. The Anker matches it on peak output when quoted at 6,000W and expands further, to 53.8kWh.

Which has more battery capacity?

The EcoFlow starts larger at 4,096Wh versus 3,840Wh. The Anker scales higher overall, to 53.8kWh against 48kWh.

Which is better for an RV?

The Anker SOLIX F3800 Plus, which has built-in TT-30R and L14-30R ports and can charge from a 240V fuel generator.

Which charges faster from a wall outlet?

The EcoFlow, which goes from empty to 80% in about 50 minutes. Anker lists fast charging but gives no time.

Is the Anker worth the extra money?

Only if you need RV ports, 3,200W solar input or expansion past 48kWh. At $2,199.99 on November 1 it cost far more than the EcoFlow's $845.10 on November 2.

Both use LiFePO4. Anker rates its cells at 3,000+ cycles to 80% capacity; EcoFlow does not publish a cycle count for the Delta Pro 3.

EcoFlow Delta Pro 3 vs Anker SOLIX F3800 Plus

Both are large LiFePO4 home-backup stations, but they differ in output and price. The EcoFlow Delta Pro 3 delivers 4,000W AC (6,000W with X-Boost) and has been seen at $845.10 on November 2, against a high of $2,799.00 on November 3. The Anker SOLIX F3800 Plus is rated at 3,200W in the listing but widely quoted at 6,000W AC, and was $2,199.99 on November 1 and $2,399.99 on October 31. Buy the EcoFlow for 240V whole-home backup at a lower price; buy the Anker for RV and generator-friendly ports and the largest expansion ceiling.

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