Portable Power Stations / Anker SOLIX C300 vs EcoFlow DELTA 3 Plus
Anker SOLIX C300 vs EcoFlow DELTA 3 Plus
EcoFlow DELTA 3 Plus
1,000W solar input and six outlets — the best solar recharge at 1kWh.
Wins overall by 2.6 points
Quick Verdict
A 2.6-point gap makes the EcoFlow DELTA 3 Plus the straightforward choice here. 1,000W solar input and six outlets — the best solar recharge at 1kWh.
The Anker SOLIX C300 and EcoFlow DELTA 3 Plus are both current-generation portable Power Station models, and the Anker SOLIX C300 is $600 cheaper than the EcoFlow DELTA 3 Plus ($298.99 vs $899). On Expandability, the EcoFlow DELTA 3 Plus leads (8.5 vs 1.0/10) — whether extra battery packs can be added, and how far it scales. On Solar Input, the EcoFlow DELTA 3 Plus leads (9.5 vs 3.0/10) — maximum solar input and how practical off-grid recharging is. On Output Power, the EcoFlow DELTA 3 Plus leads (8.0 vs 3.5/10) — continuous AC output and whether the surge rating is genuine. Overall, the EcoFlow DELTA 3 Plus scores 8.1/10 across our 8 scoring categories versus 5.5/10 for the Anker SOLIX C300. 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 C300 | EcoFlow DELTA 3 Plus |
|---|---|---|
| Price | $298.99 | $899.00 |
| Release Year | 2024 | 2024 |
| Capacity (Wh) | 288 | 1024✓ |
| AC Output (W) | 300 | 1800✓ |
| Surge Output | 600 | 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 | 3 | 6 |
| Other Ports | 3x USB-A, 3x USB-C (one 140W two-way), 1x 12V/10A car socket | 2x USB-C 140W, 2x USB-A (36W total), 1x car socket 126W, 2x DC5521 |
| Max Solar Input | 100 | 1,000 across dual 500W MPPT |
| AC Recharge Time | 63 | 56 |
| Weight (lbs) | 9.1✓ | 27.6 |
| Expandable | No | Yes — to 2,048Wh, or 5kWh within the wider EcoFlow ecosystem |
| UPS Switchover | Yes — 10ms switchover | Yes — under 10ms |
| App Control | Yes — Bluetooth and Wi-Fi | Yes |
| Warranty | 24 months | 24 months |
| Colors | Black | Black |
Category Scores
Capacity
The EcoFlow DELTA 3 Plus leads clearly here, 6.5 against 3.5 — 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 Anker SOLIX C300 does not close the gap elsewhere.
Output Power
The EcoFlow DELTA 3 Plus leads clearly here, 8.0 against 3.5 — a 4.5-point margin on continuous AC output and whether the surge rating is genuine. If that is what you are buying for, the Anker SOLIX C300 does not close the gap elsewhere.
Recharge Speed
The EcoFlow DELTA 3 Plus leads clearly here, 9.0 against 7.5 — a 1.5-point margin on how quickly it refills from mains power. If that is what you are buying for, the Anker SOLIX C300 does not close the gap elsewhere.
Solar Input
The EcoFlow DELTA 3 Plus leads clearly here, 9.5 against 3.0 — a 6.5-point margin on maximum solar input and how practical off-grid recharging is. If that is what you are buying for, the Anker SOLIX C300 does not close the gap elsewhere.
Portability
The Anker SOLIX C300 leads clearly here, 9.0 against 6.5 — a 2.5-point margin on weight and handling relative to capacity. If that is what you are buying for, the EcoFlow DELTA 3 Plus does not close the gap elsewhere.
Expandability
The EcoFlow DELTA 3 Plus leads clearly here, 8.5 against 1.0 — a 7.5-point margin on whether extra battery packs can be added, and how far it scales. If that is what you are buying for, the Anker SOLIX C300 does not close the gap elsewhere.
Features
The EcoFlow DELTA 3 Plus leads clearly here, 9.0 against 8.5 — a 0.5-point margin on UPS switchover, app control, port variety and extras. If that is what you are buying for, the Anker SOLIX C300 does not close the gap elsewhere.
Value
The Anker SOLIX C300 and EcoFlow DELTA 3 Plus are level here, at 8.0/10 each. capacity and output relative to price is not what separates these two — look to the categories where the scores diverge.
Best For
Choose the Anker SOLIX C300 if…
- • Portability matters most to you — the Anker SOLIX C300 scores 9.0/10 here (weight and handling relative to capacity).
- • You want to spend less — it's $600 cheaper.
- • Your main use case is camping or cpap.
Choose the EcoFlow DELTA 3 Plus if…
- • Expandability matters most to you — the EcoFlow DELTA 3 Plus scores 8.5/10 here (whether extra battery packs can be added, and how far it scales).
- • Solar Input matters most to you — the EcoFlow DELTA 3 Plus scores 9.5/10 here (maximum solar input and how practical off-grid recharging is).
- • Output Power matters most to you — the EcoFlow DELTA 3 Plus scores 8.0/10 here (continuous AC output and whether the surge rating is genuine).
- • Capacity matters most to you — the EcoFlow DELTA 3 Plus scores 6.5/10 here (usable watt-hours and how long it runs real appliances).
- • Your main use case is off-grid or van-life.
Pros & Cons
Anker SOLIX C300
Pros
- +Nine outputs including three AC and a 140W two-way USB-C — the most connected small station here
- +63 minutes to full is fast for the class
- +10ms UPS is quick enough for a desktop PC
- +Both Bluetooth and Wi-Fi app control
Cons
- −288Wh and 300W keep it in the phones-laptops-CPAP bracket, not appliances
- −100W solar input
- −Not expandable
- −A newer C300X adds a second 140W port and is replacing this model
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 C300 or EcoFlow DELTA 3 Plus better overall?+
Based on our 8-category scoring, the EcoFlow DELTA 3 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 Expandability, the Anker SOLIX C300 or the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus scores higher on Expandability (8.5/10 vs 1.0/10) — whether extra battery packs can be added, and how far it scales.
Which is better for Solar Input, the Anker SOLIX C300 or the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus scores higher on Solar Input (9.5/10 vs 3.0/10) — maximum solar input and how practical off-grid recharging is.
Which is better for Output Power, the Anker SOLIX C300 or the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus scores higher on Output Power (8.0/10 vs 3.5/10) — continuous AC output and whether the surge rating is genuine.
Which is better for Capacity, the Anker SOLIX C300 or the EcoFlow DELTA 3 Plus?+
The EcoFlow DELTA 3 Plus scores higher on Capacity (6.5/10 vs 3.5/10) — usable watt-hours and how long it runs real appliances.
Is the Anker SOLIX C300 worth the price difference over the EcoFlow DELTA 3 Plus?+
The Anker SOLIX C300 is the cheaper option at $298.99 versus $899. Whether the pricier model is "worth it" depends on how much you value its lead in Expandability.
Which is better suited to my use case?+
The Anker SOLIX C300 is the better fit if you mainly care about camping or cpap. The EcoFlow DELTA 3 Plus is the better fit for off-grid or van-life.
What's the warranty on the Anker SOLIX C300 vs the EcoFlow DELTA 3 Plus?+
The Anker SOLIX C300 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
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Premium Option
BLUETTI Elite 200 V2 — $999.00
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.