EcoFlow DELTA 3 Ultra Plus vs UDPOWER S1200
Comparing EcoFlow DELTA 3 Ultra Plus vs UDPOWER S1200: EcoFlow DELTA 3 Ultra Plus scores 9.1/10 and UDPOWER S1200 scores 8.9/10 in our benchmark testing. EcoFlow DELTA 3 Ultra Plus wins overall — EcoFlow DELTA 3 Ultra Plus scores higher on power and features while UDPOWER S1200 offers better value.
EcoFlow DELTA 3 Ultra Plus (3000Wh) vs UDPOWER S1200 (1190Wh) compared spec-by-spec. Real-world testing, pricing, pros, cons, and our verdict on which power station to buy.
| Specification | ||
|---|---|---|
| Capacity | 3,000Wh ✓ Winner | 1,190Wh |
| AC Output | 3,600W ✓ Winner | 1,200W |
| Expandable | Yes | No |
| AC Charge Time | under 50 min | 90 min (fast mode) |
| Surge Output | — | 1,800W |
| Weight | — | 26 lbs |
| Dimensions | — | 13.7 x 9.5 x 9.7 in |
| Battery Type | — | LiFePO4 |
| Cycle Life | — | 4,000 cycles |
| Max Solar Input | — | 400W |
| AC Outlets | — | 5 |
| USB-C Ports | — | 2 |
| USB-A Ports | — | 4 |
| DC Outlets | — | 3 |
| Wireless Charging | — | Yes |
| Ups Switchover Ms | — | 10 |
| Operating Temp | — | 32-104F |
| Warranty | — | 5 years |
| App Control | — | No |
Buy the EcoFlow DELTA 3 Ultra Plus
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Buy the UDPOWER S1200
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Who Should Buy the EcoFlow DELTA 3 Ultra Plus?
The EcoFlow DELTA 3 Ultra Plus is the right choice for emergency home backup, off grid cabin, expandable. With 3,000Wh of capacity and 3,600W continuous output, it delivers serious power for demanding loads.
Key advantages include: 3,000wh built-in capacity, expandable for whole-home and off-grid backup; 3,600w continuous output runs most 15a household circuits and heavy power tools; sub-50-minute full ac recharge is among the fastest in the 3kwh class.
Priced at $2,899, the EcoFlow DELTA 3 Ultra Plus scores 9.1/10 overall in our benchmark testing — making it one of the top-rated units in its class.
Who Should Buy the UDPOWER S1200?
The UDPOWER S1200 is the right choice for under 2000, rv boondocking, home backup essentials. With 1,190Wh of capacity and 1,200W continuous output, it delivers serious power for demanding loads.
Key advantages include: 5 ac outlets + <10ms ups switchover at $349-399 — class-leading combination; 400w solar input matches the 1kwh leaders; 15 simultaneous charging ports including wireless pad. At 26 lbs, it's genuinely portable.
Priced at $399 (MSRP $699), the UDPOWER S1200 scores 8.9/10 overall in our benchmark testing — making it a strong performer for most users.
How Do the Specs Compare?
Capacity: The EcoFlow DELTA 3 Ultra Plus leads on storage with 3,000Wh versus 1,190Wh for the UDPOWER S1200 — a 152% difference that matters most for overnight or multi-day use cases.
Output: The EcoFlow DELTA 3 Ultra Plus delivers more continuous power at 3,600W vs 1,200W, which determines what appliances you can run simultaneously — things like air conditioners, microwaves, and power tools that demand 1,000W or more.
Price: The UDPOWER S1200 costs $399 while the EcoFlow DELTA 3 Ultra Plus runs $2,899 — a $2,500 gap. At that price difference, the more expensive unit needs to deliver meaningfully better performance to justify the premium.
🏆 Our Verdict
Choose the EcoFlow DELTA 3 Ultra Plus if you need maximum capacity (3,000Wh vs 1,190Wh) , expandability for future growth, and higher power output (3,600W).
Choose the UDPOWER S1200 if you prioritize value (typically $2,500 less) .
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