Portable Power Stations / Anker SOLIX F3800 Plus vs EcoFlow DELTA 3 Plus
Anker SOLIX F3800 Plus vs EcoFlow DELTA 3 Plus
Anker SOLIX F3800 Plus
6,000W and 53.8kWh of expansion — whole-home backup in a box.
Wins overall by 0.2 points
Quick Verdict
Too close to call on score alone: 0.2 points separate them. 6,000W and 53.8kWh of expansion — whole-home backup in a box. The EcoFlow DELTA 3 Plus answers with a different set of strengths, so let the categories below decide it.
The Anker SOLIX F3800 Plus and EcoFlow DELTA 3 Plus are both closely matched portable Power Station models, and the EcoFlow DELTA 3 Plus is $3,900 cheaper than the Anker SOLIX F3800 Plus ($899 vs $4,799). On Portability, the EcoFlow DELTA 3 Plus leads (6.5 vs 2.0/10) — weight and handling relative to capacity. On Capacity, the Anker SOLIX F3800 Plus leads (9.5 vs 6.5/10) — usable watt-hours and how long it runs real appliances. On Output Power, the Anker SOLIX F3800 Plus leads (10.0 vs 8.0/10) — continuous AC output and whether the surge rating is genuine. Overall, the Anker SOLIX F3800 Plus scores 8.3/10 across our 8 scoring categories versus 8.1/10 for the EcoFlow DELTA 3 Plus, though the gap is close enough that your specific use case should decide it. Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Anker SOLIX F3800 Plus | EcoFlow DELTA 3 Plus |
|---|---|---|
| Price | $4799.00 | $899.00 |
| Release Year | 2025 | 2024 |
| Capacity (Wh) | 3840✓ | 1024 |
| AC Output (W) | 6000✓ | 1800 |
| Surge Output | Not published by the manufacturer | 3,600 via X-Boost. This is a voltage-reduction mode, not true inverter surge — it will run resistive loads like kettles and heaters but will not start a motor or compressor that a genuine surge rating would |
| Battery Chemistry | LiFePO4 | LiFePO4 |
| Cycle Life | 3,000+ cycles | 4,000 cycles to 80% capacity |
| AC Outlets | 8, including 6x 5-20R, 1x TT-30R and 1x L14-30R 240V | 6 |
| Other Ports | 2x USB-C 100W, 2x USB-A 12W, 1x 12V/10A car socket | 2x USB-C 140W, 2x USB-A (36W total), 1x car socket 126W, 2x DC5521 |
| Max Solar Input | 3,200 across dual MPPT, 11 to 165V | 1,000 across dual 500W MPPT |
| AC Recharge Time | Not published; 1,800W AC input implies roughly 145 minutes | 56 |
| Weight (lbs) | 136.7 | 27.6✓ |
| Expandable | Yes — to 53.8kWh across six add-on packs | Yes — to 2,048Wh, or 5kWh within the wider EcoFlow ecosystem |
| UPS Switchover | Yes — 20ms, rising to 30 to 50ms when running from a generator | Yes — under 10ms |
| App Control | Yes | Yes |
| Warranty | 24 months | 24 months |
| Colors | Black | Black |
Category Scores
Capacity
The Anker SOLIX F3800 Plus leads clearly here, 9.5 against 6.5 — a 3.0-point margin on usable watt-hours and how long it runs real appliances. If that is what you are buying for, the EcoFlow DELTA 3 Plus does not close the gap elsewhere.
Output Power
The Anker SOLIX F3800 Plus leads clearly here, 10.0 against 8.0 — a 2.0-point margin on continuous AC output and whether the surge rating is genuine. If that is what you are buying for, the EcoFlow DELTA 3 Plus does not close the gap elsewhere.
Recharge Speed
The EcoFlow DELTA 3 Plus leads clearly here, 9.0 against 8.5 — a 0.5-point margin on how quickly it refills from mains power. If that is what you are buying for, the Anker SOLIX F3800 Plus does not close the gap elsewhere.
Solar Input
The Anker SOLIX F3800 Plus leads clearly here, 10.0 against 9.5 — a 0.5-point margin on maximum solar input and how practical off-grid recharging is. If that is what you are buying for, the EcoFlow DELTA 3 Plus does not close the gap elsewhere.
Portability
The EcoFlow DELTA 3 Plus leads clearly here, 6.5 against 2.0 — a 4.5-point margin on weight and handling relative to capacity. If that is what you are buying for, the Anker SOLIX F3800 Plus does not close the gap elsewhere.
Expandability
The Anker SOLIX F3800 Plus leads clearly here, 10.0 against 8.5 — a 1.5-point margin on whether extra battery packs can be added, and how far it scales. If that is what you are buying for, the EcoFlow DELTA 3 Plus does not close the gap elsewhere.
Features
The Anker SOLIX F3800 Plus and EcoFlow DELTA 3 Plus are level here, at 9.0/10 each. UPS switchover, app control, port variety and extras is not what separates these two — look to the categories where the scores diverge.
Value
The EcoFlow DELTA 3 Plus leads clearly here, 8.0 against 7.0 — a 1.0-point margin on capacity and output relative to price. If that is what you are buying for, the Anker SOLIX F3800 Plus does not close the gap elsewhere.
Best For
Choose the Anker SOLIX F3800 Plus if…
- • Capacity matters most to you — the Anker SOLIX F3800 Plus scores 9.5/10 here (usable watt-hours and how long it runs real appliances).
- • Output Power matters most to you — the Anker SOLIX F3800 Plus scores 10.0/10 here (continuous AC output and whether the surge rating is genuine).
- • Expandability matters most to you — the Anker SOLIX F3800 Plus scores 10.0/10 here (whether extra battery packs can be added, and how far it scales).
Choose the EcoFlow DELTA 3 Plus if…
- • Portability matters most to you — the EcoFlow DELTA 3 Plus scores 6.5/10 here (weight and handling relative to capacity).
- • Value matters most to you — the EcoFlow DELTA 3 Plus scores 8.0/10 here (capacity and output relative to price).
- • You want to spend less — it's $3,900 cheaper.
- • Your main use case is van-life.
Pros & Cons
Anker SOLIX F3800 Plus
Pros
- +6,000W continuous is more than most household circuits and covers essentially any appliance
- +53.8kWh of expansion is the largest here — genuine multi-day whole-home capability
- +3,200W of solar input with a very wide 11 to 165V range accepts almost any panel array
- +Eight AC outlets including two 240V options
Cons
- −136.7lb and $4,799 — this is an installed home-backup appliance, not a portable
- −20ms UPS switchover is slower than the 10ms class, and 30 to 50ms on generator power, which is marginal for sensitive equipment
- −Anker publishes no surge rating and no full-recharge figure
- −Only 12W from each USB-A port on a $4,799 product
EcoFlow DELTA 3 Plus
Pros
- +1,000W of solar input means a genuine same-day solar recharge, which nothing else at this size manages
- +Six AC outlets and 56 minutes to full
- +Expandable to 2,048Wh if your needs grow
- +Sub-10ms UPS is fast enough for desktop PCs and networking gear
Cons
- −The 3,600W X-Boost figure is voltage reduction, not real surge
- −Only 36W total across both USB-A ports
- −27.6lb
- −EcoFlow's ecosystem pricing escalates quickly once you start expanding
Shop by Need
FAQs
Is the Anker SOLIX F3800 Plus or EcoFlow DELTA 3 Plus better overall?+
Based on our 8-category scoring, the Anker SOLIX F3800 Plus comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Portability, the Anker SOLIX F3800 Plus or the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus scores higher on Portability (6.5/10 vs 2.0/10) — weight and handling relative to capacity.
Which is better for Capacity, the Anker SOLIX F3800 Plus or the EcoFlow DELTA 3 Plus?+
The Anker SOLIX F3800 Plus scores higher on Capacity (9.5/10 vs 6.5/10) — usable watt-hours and how long it runs real appliances.
Which is better for Output Power, the Anker SOLIX F3800 Plus or the EcoFlow DELTA 3 Plus?+
The Anker SOLIX F3800 Plus scores higher on Output Power (10.0/10 vs 8.0/10) — continuous AC output and whether the surge rating is genuine.
Which is better for Expandability, the Anker SOLIX F3800 Plus or the EcoFlow DELTA 3 Plus?+
The Anker SOLIX F3800 Plus scores higher on Expandability (10.0/10 vs 8.5/10) — whether extra battery packs can be added, and how far it scales.
Is the Anker SOLIX F3800 Plus worth the price difference over the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus is the cheaper option at $899 versus $4,799. Whether the pricier model is "worth it" depends on how much you value its lead in Portability.
Which is better suited to my use case?+
The Anker SOLIX F3800 Plus is the better fit if you mainly care about home-backup or off-grid. The EcoFlow DELTA 3 Plus is the better fit for van-life.
What's the warranty on the Anker SOLIX F3800 Plus vs the EcoFlow DELTA 3 Plus?+
The Anker SOLIX F3800 Plus ships with a 24-month warranty; the EcoFlow DELTA 3 Plus ships with a 24-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Cheaper Option
Anker SOLIX C1000 Gen 2 — $799.00
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.