EcoFlow Delta 3vsOUPES Mega 1
Head-to-head comparison of scores, specs, and features.
VS

EcoFlow Delta 3
89.3Grade A
Price
$699.00
AC Power
1800W

OUPES Mega 1
90.6Grade A+
Price
$699.00
AC Power
2000W
OUPES Mega 1wins by1.34points overall.
The Verdict
Overall take
Buy EcoFlow Delta 3 if
- Better Ups Switch Time: 10 vs 20
- Better Battery Lifespan Cycles: 4000 vs 3500
- Better Brand: EcoFlow vs OUPES
Buy OUPES Mega 1 if
- Better Parallel Expansion: Yes vs No
- Better Max Solar Input: 800 vs 500
- Better Ac Power Continuous: 2000 vs 1800
Top 3 Key Differences
Parallel Expansion
Novs Yes
Score: 0 vs 100
Ups Switch Time
10vs 20
Score: 100 vs 76.8
Max Solar Input
500vs 800
Score: 53.4 vs 70
Performance by Category
ChargingOUPES Mega 1 wins
EcoFlow Delta 3
90.7
OUPES Mega 1
94.0
AC PowerOUPES Mega 1 wins
EcoFlow Delta 3
89.3
OUPES Mega 1
100.0
ConnectivityTie
EcoFlow Delta 3
75.0
OUPES Mega 1
75.0
PriceTie
EcoFlow Delta 3
84.7
OUPES Mega 1
84.7
BatteryEcoFlow Delta 3 wins
EcoFlow Delta 3
81.1
OUPES Mega 1
76.1
PhysicalTie
EcoFlow Delta 3
90.6
OUPES Mega 1
90.4
Advanced FeaturesOUPES Mega 1 wins
EcoFlow Delta 3
66.7
OUPES Mega 1
92.2
WarrantyTie
EcoFlow Delta 3
100.0
OUPES Mega 1
100.0
Full Technical Specifications
| Feature | EcoFlow Delta 3 | OUPES Mega 1 |
|---|---|---|
Charging | ||
| Ac Charge Speed | 56 | 58 |
| Charger Type | AC Adapter | LFP (LiFePO4) |
| Fast Charging | Yes | Yes |
| Max Solar Input | 500 | 800 |
| Max Solar Panels | 2 | 2 |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | Yes |
| Solar Connector Type | XT60i | Anderson (MC4 to Anderson adapter cable included) |
| Solar Panel Compatibility | Compatible with 110W, 160W, 220W, 400W Portable Solar Panels | OUPES 240W solar panels and standard MC4 solar panels; 12-78V DC input, MPPT 18-75V, 14A max |
AC Power | ||
| Ac Output Amps | 15 | 20A per outlet (4x NEMA 5-20R, 120V/20A) |
| Ac Power Continuous | 1800 | 2000 |
| Ac Power Surge | 3600 | 4500 |
| 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 | 699.00 |
| Bundle Price | {"DELTA 3":"-$549","DELTA 3 + 110W Portable Solar Pannel":"-$699","DELTA 3 + 160W Portable Solar Pannel":"-$749","DELTA 3 + 220W Portable Solar Pannel":"-$899","DELTA 3 + 400W Portable Solar Pannel":"-$1,199","DELTA 3 + Smart Generator 3000 (Dual Fuel)":"-$1,299","DELTA 3 + DELTA 3 Extra Battery":"-$1,049"} | 529.00 |
| Cost Per Wh | 0.68 | 0.68 |
| Extra Battery Cost | — | 1,000.00 |
| Price Description | $180 Off — Sale $519 (Reg. $699) | 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). |
Battery | ||
| Battery Capacity Wh | 1024 | 1024 |
| Battery Lifespan Cycles | 4000 | 3500 |
| Expandable Capacity | Yes | Yes |
| Extra Battery Capacity | 1024 | 2048 |
| Max Extra Batteries | 1 | 2 |
Product Info | ||
| Brand | EcoFlow | OUPES |
| Model Name | Delta 3 | Mega 1 |
| Product Url | https://us.ecoflow.com/products/delta-3-portable-power-station | https://oupes.com/products/oupes-mega-1-home-backup-portable-power-station-2000w-1024wh |
DC Power | ||
| Dc Output | USB-A Output (Fast Charge): 2 ports, 18W Max USB-C Output: 2 ports, 100W Max Car Power Output: 1 port, 12.6V, 10A, 126W Max DC5521 Output: 2 ports, 12.6V, 3A Max | 2x DC 5521 (12V/10A), 1x Car Lighter (12V/10A), 4x USB-A (18W Max), 2x USB-C (PD 100W per port) |
Physical | ||
| Dimensions | 39.76 x 20.2 x 28.36 cm | 38.4 x 23.2 x 29.5 cm |
| Energy Density Wh Per Kg | 81.9 | 81.3 |
| Noise Level | 30 | 60 |
| Operating Temp | 14°F to 113°F | 0-40°C |
| Portable | Yes | Yes |
| Weight | 12.5 kg · 27.6 lbs | 12.6 kg · 27.8 lbs |
Advanced Features | ||
| Parallel Expansion | No | Yes |
| Ups Functionality | Yes | Yes |
| Ups Switch Time | 10 | 20 |
Warranty | ||
| Warranty | 5 | 5 |