OUPES Mega 1vsEcoFlow DELTA 3 Plus
Head-to-head comparison of scores, specs, and features.
OUPES Mega 1
77.4Grade A
Price
$699.00
AC Power
2000W
EcoFlow DELTA 3 Plus
80.8Grade A+
Price
$599.00
AC Power
1800W
EcoFlow DELTA 3 Pluswins by3.37points overall.
The Verdict
Overall take
Buy OUPES Mega 1 if
- Better Parallel Expansion: Yes vs No
- Better Ac Power Continuous: 2000 vs 1800
- Better Ac Power Surge: 4500 vs 3600
Buy EcoFlow DELTA 3 Plus if
- Better Noise Level: 30 vs 60
- Better Ups Switch Time: 10 vs 20
- Better Max Extra Batteries: 4 vs 2
Top 3 Key Differences
Parallel Expansion
Yesvs No
Score: 100 vs 0
Noise Level
60vs 30
Score: 49 vs 100
Ups Switch Time
20vs 10
Score: 76.8 vs 100
Performance by Category
ChargingTie
OUPES Mega 1
94.0
EcoFlow DELTA 3 Plus
96.0
AC PowerOUPES Mega 1 wins
OUPES Mega 1
100.0
EcoFlow DELTA 3 Plus
89.3
ConnectivityTie
OUPES Mega 1
75.0
EcoFlow DELTA 3 Plus
75.0
PriceEcoFlow DELTA 3 Plus wins
OUPES Mega 1
84.7
EcoFlow DELTA 3 Plus
91.4
BatteryEcoFlow DELTA 3 Plus wins
OUPES Mega 1
72.1
EcoFlow DELTA 3 Plus
80.8
PhysicalEcoFlow DELTA 3 Plus wins
OUPES Mega 1
80.0
EcoFlow DELTA 3 Plus
93.0
Advanced FeaturesOUPES Mega 1 wins
OUPES Mega 1
92.2
EcoFlow DELTA 3 Plus
66.7
WarrantyTie
OUPES Mega 1
100.0
EcoFlow DELTA 3 Plus
100.0
Full Technical Specifications
| Feature | OUPES Mega 1 | EcoFlow DELTA 3 Plus |
|---|---|---|
| Charging | ||
| Ac Charge Speed | 58 | 56 |
| Charger Type | LFP (LiFePO4) | X-Stream AC (1500W), Solar dual-port (1000W total), Car/Alternator (800W), Smart Generator |
| Fast Charging | Yes | Yes |
| Max Solar Input | 800 | 1000 |
| Max Solar Panels | 2 | — |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | Anderson (MC4 to Anderson adapter cable included) | XT60i |
| Solar Panel Compatibility | OUPES 240W solar panels and standard MC4 solar panels; 12-78V DC input, MPPT 18-75V, 14A max | EcoFlow solar panels (XT60i connector, 11-60V per port) |
| AC Power | ||
| Ac Output Amps | 20A per outlet (4x NEMA 5-20R, 120V/20A) | 6 outlets |
| Ac Power Continuous | 2000 | 1800 |
| Ac Power Surge | 4500 | 3600 |
| Ac Wave Quality | Pure Sine Wave | Pure Sine Wave |
| Connectivity | ||
| App Control | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wifi Connectivity | Yes | Yes |
| Wireless Charging | No | No |
| Price | ||
| Base Price | 699.00 | 599.00 |
| Bundle Price | 529.00 | 799.00 |
| Cost Per Wh | 0.68 | 0.59 |
| Extra Battery Cost | 1,000.00 | — |
| Price Description | Regular price $699.00. Bundle deals available: Mega 1 + 240W Solar Panel bundle from $529 with code. Spring Mega Sale discount codes available (unit-only price as low as $299 with code, limited stock). | Sale price $599 (regular $799). Spring Sale 2026, sold out at time of research. |
| Battery | ||
| Battery Capacity Wh | 1024 | 1024 |
| Battery Lifespan Cycles | 3500 | 4000 |
| Expandable Capacity | Yes | Yes |
| Extra Battery Capacity | 2048 | 1024 |
| Max Extra Batteries | 2 | 4 |
| Product Info | ||
| Brand | OUPES | EcoFlow |
| Model Name | Mega 1 | DELTA 3 Plus |
| Product Url | https://oupes.com/products/oupes-mega-1-home-backup-portable-power-station-2000w-1024wh | https://us.ecoflow.com/products/delta-3-plus-portable-power-station?variant=41826182496329 |
| DC Power | ||
| Dc Output | 2x DC 5521 (12V/10A), 1x Car Lighter (12V/10A), 4x USB-A (18W Max), 2x USB-C (PD 100W per port) | 1x 12V/10A car port (126W Max), 2x DC5521 12.6V/3A Max |
| Physical | ||
| Dimensions | 38.4 x 23.2 x 29.5 cm | 39.8 x 20.2 x 28.36 cm |
| Energy Density Wh Per Kg | 81.3 | 81.9 |
| Noise Level | 60 | 30 |
| Operating Temp | 0-40°C | Charge: 0°C to 45°C; Discharge: -10°C to 45°C |
| Portable | Yes | Yes |
| Weight | 12.6 kg · 27.8 lbs | 12.5 kg · 27.6 lbs |
| Advanced Features | ||
| Parallel Expansion | Yes | No |
| Ups Functionality | Yes | Yes |
| Ups Switch Time | 20 | 10 |
| Warranty | ||
| Warranty | 5 | 5 |