EcoFlow DELTA 3
69BatteryRank score · Balanced
$549as of
Insufficient price history← Compare
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EcoFlow DELTA 3 vs Oupes Mega 1 Lite
Decision readout
Better station
Too close to call overall — choose by how and where you use it.
Better buy today
No price tie-breaker today — choose based on fit and the sourced details.
Oupes Mega 1 Lite
62BatteryRank score · Balanced
$489as of
Insufficient price historyWhat changes the decision
- Home backup: EcoFlow DELTA 3 — more AC-delivered capacity
- Camping & RV: Oupes Mega 1 Lite — lighter and easier to carry
01 · Score evidence
Score breakdown
69
EcoFlow DELTA 3
Overall
62
Oupes Mega 1 Lite
65
POWER
EcoFlow DELTA 3 +11
54
Battery-side usable capacity and how much you can run at once.
79
TRUST
EcoFlow DELTA 3 +11
68
Owner reputation, safety record, warranty, and build durability.
66
CHARGING
Oupes Mega 1 Lite +12
78
Wall and solar recharge speed.
60
LIVABILITY
EcoFlow DELTA 3 +3
57
Lightweight, portable, and quiet enough to live with.
Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.
02 · Usable energy
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
EcoFlow DELTA 3
Rated (on the box)
1,024 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-04The marketing number — total cell capacity.
AC deliveredmeasured
870 Wh. Show source
verified source~870Wh effective at ~85% (Backup Power Hub, calculated) vs 1024 rated2026-07-04~870Wh effective at ~85% (Backup Power Hub, calculated) vs 1024 rated · 15% below the label
Oupes Mega 1 Lite
Rated (on the box)
1,024 Wh. Show source
claimed sourceoupes.com ↗2026-07-27The marketing number — total cell capacity.
AC delivered (est.)
783 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
03 · Same assumptions
Same-device runtime
| Device | EcoFlow DELTA 3 | Oupes Mega 1 Lite | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 12.1 nights | about 10.9 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.9 nights | about 1.7 nights | 56 W · |
| Refrigerator (full-size) | about 14 hours | about 12 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 48 hours | about 44 hours | 18 W · |
| Laptop (65W charger) | about 27 hours | about 24 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 43 full charges | about 39 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
04 · Sourced hardware
Key specs, side by side
| Spec | EcoFlow DELTA 3 | Oupes Mega 1 Lite |
|---|---|---|
| AC-delivered capacity | 870 Whverified. Show sourceverified source~870Wh effective at ~85% (Backup Power Hub, calculated) vs 1024 rated2026-07-04 | 783 Whest.. Show sourceestimated sourceoupes.com ↗2026-07-27 |
| Continuous power output | 1,800 W. Show sourceclaimed sourceus.ecoflow.com ↗ | 2,000 W. Show sourceclaimed sourceoupes.com ↗ |
| Surge power output | 3,600 W. Show sourceclaimed sourceus.ecoflow.com ↗ | 4,500 W. Show sourceclaimed sourceoupes.com ↗ |
| Max solar input | 500 W. Show sourceclaimed sourceus.ecoflow.com ↗ | 800 W. Show sourceclaimed sourceoupes.com ↗ |
| AC charge time (0–100%) | 56 min. Show sourceclaimed sourceus.ecoflow.com ↗ | — |
| Weight | 12.5 kg. Show sourceclaimed sourceus.ecoflow.com ↗ | 12 kg. Show sourceclaimed sourceoupes.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceus.ecoflow.com ↗ | 3,500 cycles. Show sourceclaimed sourceoupes.com ↗ |
Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
05 · Tracked street price
Price & fair-price verdict
EcoFlow DELTA 3
$549as of Insufficient price history
Oupes Mega 1 Lite
$489as of Insufficient price history
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
Quick answers
- Is the EcoFlow DELTA 3 better than the Oupes Mega 1 Lite?
- Too close to call overall — choose by how and where you use it. No price tie-breaker today — choose based on fit and the sourced details.
- Which has more usable capacity, the EcoFlow DELTA 3 or Oupes Mega 1 Lite?
- The EcoFlow DELTA 3, by 87 Wh — 870 Wh versus 783 Wh, a 11% advantage. At a 60 W load that is roughly 1.5 extra hours before the battery is empty. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices, which is always less than the number on the box.
- Which has more AC output, the EcoFlow DELTA 3 or Oupes Mega 1 Lite?
- The Oupes Mega 1 Lite: 1,800 W versus 2,000 W continuous. That gap matters only if a load sits between the two numbers — below 1,800 W both run it, above 2,000 W neither does. Surge headroom follows the same order: 3,600 W against 4,500 W, and surge is what decides whether a compressor or pump actually starts.
- How does runtime compare between the EcoFlow DELTA 3 and Oupes Mega 1 Lite?
- On the same sourced load — a refrigerator (full-size) — the EcoFlow DELTA 3 runs longer: 13.8 hours against 12.4. These are planning estimates from each model's AC-delivered capacity, not stopwatch tests; real duty cycle and temperature move them.
- Which is lighter, the EcoFlow DELTA 3 or Oupes Mega 1 Lite?
- They are effectively the same to carry — 12.5 kg against 12 kg. Neither is meaningfully easier to move, so portability should not decide this one.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the EcoFlow DELTA 3 for home backup; the Oupes Mega 1 Lite for camping & rv. They split, so the honest answer depends on which of those you are actually buying for.
Keep deciding
- Full scorecard, specs & price for EcoFlow DELTA 3 →
- Full scorecard, specs & price for Oupes Mega 1 Lite →
- See more alternatives to EcoFlow DELTA 3 →
- See more alternatives to Oupes Mega 1 Lite →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →