OUPES Mega 3vsEcoFlow DELTA 3 Max Plus

Head-to-head comparison of scores, specs, and features.

EcoFlow DELTA 3 Max Pluswins by2.88points overall.

The Verdict

Overall take

Buy OUPES Mega 3 if

  • Better Max Extra Batteries: 6 vs 2
  • Better Max Solar Input: 2100 vs 1000
  • Better Battery Capacity Wh: 3072 vs 2048

Buy EcoFlow DELTA 3 Max Plus if

  • Better Noise Level: 25 vs 60
  • Better Ups Switch Time: 10 vs 20
  • Better Weight: 22.1 vs 37.8

Top 3 Key Differences

Noise Level
60vs 25
Score: 49 vs 100
Max Extra Batteries
6vs 2
Score: 100 vs 60
Ups Switch Time
20vs 10
Score: 76.8 vs 100

Performance by Category

ChargingOUPES Mega 3 wins
OUPES Mega 3
100.0
EcoFlow DELTA 3 Max Plus
96.0
AC PowerTie
OUPES Mega 3
100.0
EcoFlow DELTA 3 Max Plus
100.0
ConnectivityTie
OUPES Mega 3
75.0
EcoFlow DELTA 3 Max Plus
75.0
PriceTie
OUPES Mega 3
89.0
EcoFlow DELTA 3 Max Plus
86.5
BatteryOUPES Mega 3 wins
OUPES Mega 3
92.0
EcoFlow DELTA 3 Max Plus
82.6
PhysicalEcoFlow DELTA 3 Max Plus wins
OUPES Mega 3
72.0
EcoFlow DELTA 3 Max Plus
91.6
Advanced FeaturesEcoFlow DELTA 3 Max Plus wins
OUPES Mega 3
58.9
EcoFlow DELTA 3 Max Plus
66.7
WarrantyTie
OUPES Mega 3
100.0
EcoFlow DELTA 3 Max Plus
100.0

Full Technical Specifications

FeatureOUPES Mega 3EcoFlow DELTA 3 Max Plus
Charging
Ac Charge Speed10880
Charger TypeAC wall adapter (Fast: 1800W, Slow: 900W), Solar (MPPT 18-140V, 15A max), Car/Alternator
Fast ChargingYesYes
Max Solar Input21001000
Pass Through ChargingYesYes
Smart ChargingYesYes
Solar Connector TypeAnderson (MC4 to Anderson cable included)XT60i
Solar Panel CompatibilityOUPES 240W Solar Panel; compatible with MC4 solar panels via included adapter
AC Power
Ac Output Amps20A max (NEMA 5-20R), 30A max (TT-30R)
Ac Power Continuous36003000
Ac Power Surge70006000
Ac Wave QualityPure Sine WavePure Sine Wave
Connectivity
App ControlYesYes
BluetoothYesYes
Wifi ConnectivityYesYes
Wireless ChargingNoNo
Price
Base Price1099.001099.00
Bundle Price1669.00
Cost Per Wh0.360.54
Extra Battery Cost1,000.00
Price DescriptionSale price $1,099.00 (regular $2,299.00). Bundles: Mega 3 + 240W Solar Panel x2 $1,499.00; Mega 3 + B2 Extra Battery $1,669.00; Mega 3 + B2 + 240W Solar Panel x2 $2,049.00
Battery
Battery Capacity Wh30722048
Battery Lifespan Cycles35004000
Expandable CapacityYesYes
Extra Battery Capacity20482048
Max Extra Batteries62
Product Info
BrandOUPESEcoFlow
Model NameMega 3DELTA 3 Max Plus
Product Urlhttps://oupes.com/products/oupes-mega-3-home-backup-portable-power-station-3600w-3072whhttps://us.ecoflow.com/products/delta-3-max-series-portable-power-station?variant=54718699962441
DC Power
Dc Output2x DC 5521 (12V/10A), 1x Anderson (12V/30A), 1x Car Lighter (12V/10A), 4x USB-A (QC 3.0), 2x USB-C (PD 100W per port)USB-A: 1x18W; USB-C: 1x140W + 2x45W; Anderson 12V/30A 378W; Car 12.6V/10A 126W
Physical
Dimensions64.15 x 30.45 x 43.75 cm49.4 x 24.2 x 30.5 cm
Energy Density Wh Per Kg81.392.7
Noise Level6025
Operating Temp0°C~40°C (32°F~104°F)14°F to 113°F
PortableYesYes
Weight37.8 kg · 83.3 lbs22.1 kg · 48.7 lbs
Advanced Features
Parallel ExpansionNoNo
Ups FunctionalityYesYes
Ups Switch Time2010
Warranty
Warranty55