Portable Power Stations / Goal Zero Yeti 1500 (6th Gen) vs EcoFlow DELTA Pro 3
Goal Zero Yeti 1500 (6th Gen) vs EcoFlow DELTA Pro 3
EcoFlow DELTA Pro 3
4kWh, 240V output and 48kWh of expansion — genuine whole-home backup.
Wins overall by 2.1 points
Quick Verdict
The EcoFlow DELTA Pro 3 is the stronger all-round pick, ahead by 2.1 points. 4kWh, 240V output and 48kWh of expansion — genuine whole-home backup.
The Goal Zero Yeti 1500 (6th Gen) and EcoFlow DELTA Pro 3 are both closely matched portable Power Station models, and the Goal Zero Yeti 1500 (6th Gen) is $1,299.10 cheaper than the EcoFlow DELTA Pro 3 ($1,499.95 vs $2,799). On Expandability, the EcoFlow DELTA Pro 3 leads (9.8 vs 1.0/10) — whether extra battery packs can be added, and how far it scales. On Value, the EcoFlow DELTA Pro 3 leads (8.0 vs 5.5/10) — capacity and output relative to price. On Capacity, the EcoFlow DELTA Pro 3 leads (9.5 vs 7.5/10) — usable watt-hours and how long it runs real appliances. Overall, the EcoFlow DELTA Pro 3 scores 8.5/10 across our 8 scoring categories versus 6.4/10 for the Goal Zero Yeti 1500 (6th Gen). Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Goal Zero Yeti 1500 (6th Gen) | EcoFlow DELTA Pro 3 |
|---|---|---|
| Price | $1499.95 | $2799.00 |
| Release Year | 2026 | 2024 |
| Capacity (Wh) | 1505 | 4096✓ |
| AC Output (W) | 2000 | 4,000 continuous, 6,000 with X-Boost |
| Surge Output | 3600 | 8000 |
| Battery Chemistry | LiFePO4 | LiFePO4 |
| Cycle Life | 4,000 cycles | 4,000 cycles to 80% capacity |
| AC Outlets | 4 | 6, including TT-30R, 6-20R and L14-30R 240V |
| Other Ports | 1x USB-C 140W, 1x USB-C 60W, 2x USB-C 30W, 2x USB-A 18W, 12V aux, HPP port | 2x USB-C, 2x USB-A, 1x 30A Anderson, 1x DC5221 |
| Max Solar Input | 900 total — 300W via 8mm plus 600W via the High Power Port | 2,600 across dual MPPT |
| AC Recharge Time | 66 | About 50 to 80% |
| Weight (lbs) | 52.75✓ | 113.5 |
| Expandable | No | Yes — to 12kWh directly, or 48kWh as a full system |
| UPS Switchover | Yes — under 15ms | Yes — 10ms |
| App Control | Yes — Wi-Fi and Bluetooth | Yes — Wi-Fi, Bluetooth and CAN |
| Warranty | 24 months | 24 months |
| Colors | Black and Green | Black |
Category Scores
Capacity
The EcoFlow DELTA Pro 3 leads clearly here, 9.5 against 7.5 — a 2.0-point margin on usable watt-hours and how long it runs real appliances. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Output Power
The EcoFlow DELTA Pro 3 leads clearly here, 9.8 against 8.5 — a 1.3-point margin on continuous AC output and whether the surge rating is genuine. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Recharge Speed
The EcoFlow DELTA Pro 3 leads clearly here, 9.0 against 8.0 — a 1.0-point margin on how quickly it refills from mains power. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Solar Input
The EcoFlow DELTA Pro 3 leads clearly here, 9.8 against 8.0 — a 1.8-point margin on maximum solar input and how practical off-grid recharging is. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Portability
The Goal Zero Yeti 1500 (6th Gen) leads clearly here, 4.5 against 2.5 — a 2.0-point margin on weight and handling relative to capacity. If that is what you are buying for, the EcoFlow DELTA Pro 3 does not close the gap elsewhere.
Expandability
The EcoFlow DELTA Pro 3 leads clearly here, 9.8 against 1.0 — a 8.8-point margin on whether extra battery packs can be added, and how far it scales. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Features
The EcoFlow DELTA Pro 3 leads clearly here, 9.5 against 8.0 — a 1.5-point margin on UPS switchover, app control, port variety and extras. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Value
The EcoFlow DELTA Pro 3 leads clearly here, 8.0 against 5.5 — a 2.5-point margin on capacity and output relative to price. If that is what you are buying for, the Goal Zero Yeti 1500 (6th Gen) does not close the gap elsewhere.
Best For
Choose the Goal Zero Yeti 1500 (6th Gen) if…
- • Portability matters most to you — the Goal Zero Yeti 1500 (6th Gen) scores 4.5/10 here (weight and handling relative to capacity).
- • You want to spend less — it's $1,299.10 cheaper.
- • Your main use case is camping.
Choose the EcoFlow DELTA Pro 3 if…
- • Expandability matters most to you — the EcoFlow DELTA Pro 3 scores 9.8/10 here (whether extra battery packs can be added, and how far it scales).
- • Value matters most to you — the EcoFlow DELTA Pro 3 scores 8.0/10 here (capacity and output relative to price).
- • Capacity matters most to you — the EcoFlow DELTA Pro 3 scores 9.5/10 here (usable watt-hours and how long it runs real appliances).
- • Solar Input matters most to you — the EcoFlow DELTA Pro 3 scores 9.8/10 here (maximum solar input and how practical off-grid recharging is).
Pros & Cons
Goal Zero Yeti 1500 (6th Gen)
Pros
- +IPX4 rating and an aluminium chassis make it the only station here you would leave out in the weather
- +Four USB-C ports including a 140W
- +900W of combined solar input
- +US-based support, which the Chinese brands cannot match
Cons
- −Roughly twice the cost per watt-hour of the Chinese-brand competition
- −Not expandable at all, unlike rivals at half the price
- −52.75lb
- −You are paying a substantial premium for build quality and support rather than for capacity or output
EcoFlow DELTA Pro 3
Pros
- +240V output through an L14-30R means it can genuinely back-feed a house transfer switch, which almost nothing else here can
- +Expandable to 48kWh as a full system — this is whole-home territory
- +2,600W of solar input across dual MPPT
- +Its price has fallen roughly $900 from launch
Cons
- −113.5lb — it has wheels for a reason, and it is not going camping
- −The 6,000W X-Boost figure is voltage reduction, not true surge
- −Only two USB-C and two USB-A ports on a station this size
- −Full system expansion runs into five figures quickly
Shop by Need
FAQs
Is the Goal Zero Yeti 1500 (6th Gen) or EcoFlow DELTA Pro 3 better overall?+
Based on our 8-category scoring, the EcoFlow DELTA Pro 3 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 Goal Zero Yeti 1500 (6th Gen) or the EcoFlow DELTA Pro 3?+
The EcoFlow DELTA Pro 3 scores higher on Expandability (9.8/10 vs 1.0/10) — whether extra battery packs can be added, and how far it scales.
Which is better for Value, the Goal Zero Yeti 1500 (6th Gen) or the EcoFlow DELTA Pro 3?+
The EcoFlow DELTA Pro 3 scores higher on Value (8.0/10 vs 5.5/10) — capacity and output relative to price.
Which is better for Capacity, the Goal Zero Yeti 1500 (6th Gen) or the EcoFlow DELTA Pro 3?+
The EcoFlow DELTA Pro 3 scores higher on Capacity (9.5/10 vs 7.5/10) — usable watt-hours and how long it runs real appliances.
Which is better for Portability, the Goal Zero Yeti 1500 (6th Gen) or the EcoFlow DELTA Pro 3?+
The Goal Zero Yeti 1500 (6th Gen) scores higher on Portability (4.5/10 vs 2.5/10) — weight and handling relative to capacity.
Is the Goal Zero Yeti 1500 (6th Gen) worth the price difference over the EcoFlow DELTA Pro 3?+
The Goal Zero Yeti 1500 (6th Gen) is the cheaper option at $1,499.95 versus $2,799. 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 Goal Zero Yeti 1500 (6th Gen) is the better fit if you mainly care about camping. The EcoFlow DELTA Pro 3 is the better fit for home-backup or off-grid.
What's the warranty on the Goal Zero Yeti 1500 (6th Gen) vs the EcoFlow DELTA Pro 3?+
The Goal Zero Yeti 1500 (6th Gen) ships with a 24-month warranty; the EcoFlow DELTA Pro 3 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
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Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.