OUPES Mega 5vsGRECELL S5

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

Winner
OUPES Mega 5

OUPES Mega 5

73.4Grade A-
Price
$1499.00
AC Power
4000W
GRECELL S5

GRECELL S5

53.8Grade B-
Price
$1999.99
AC Power
4000W

OUPES Mega 5wins by19.54points overall.

The Verdict

Overall take

Buy OUPES Mega 5 if

  • Better App Control: Yes vs No
  • Better Bluetooth: Yes vs No
  • Better Portable: Yes vs Not Portable (stationary/semi-fixed)

Buy GRECELL S5 if

  • Better Ups Functionality: Yes vs EPS
  • Consider for different needs
  • Consider for different needs

Top 3 Key Differences

App Control
Yesvs No
Score: 100 vs 0
Bluetooth
Yesvs No
Score: 100 vs 0
Portable
Yesvs Not Portable (stationary/semi-fixed)
Score: 100 vs 0

Performance by Category

ChargingOUPES Mega 5 wins
OUPES Mega 5
100.0
GRECELL S5
81.2
AC PowerTie
OUPES Mega 5
100.0
GRECELL S5
100.0
ConnectivityOUPES Mega 5 wins
OUPES Mega 5
75.0
GRECELL S5
0.0
PriceOUPES Mega 5 wins
OUPES Mega 5
85.0
GRECELL S5
81.2
BatteryGRECELL S5 wins
OUPES Mega 5
96.3
GRECELL S5
100.0
PhysicalOUPES Mega 5 wins
OUPES Mega 5
82.4
GRECELL S5
49.1
Advanced FeaturesGRECELL S5 wins
OUPES Mega 5
25.6
GRECELL S5
58.9
WarrantyOUPES Mega 5 wins
OUPES Mega 5
100.0
GRECELL S5
—

Full Technical Specifications

FeatureOUPES Mega 5GRECELL S5
Charging
Ac Charge Speed1681800
Charger TypeAC fast charging (1800W) / slow charging (900W), solar (Anderson), EV charging (1800W)AC adapter (90-140V, 1800W) + car charger + solar
Fast ChargingYesYes
Max Solar Input21002100
Max Solar Panels6—
Pass Through ChargingYesYes
Smart ChargingYes—
Solar Connector TypeAnderson (MC4 to Anderson adapter cable included)XT90 / Anderson (includes XT90 to Anderson and Anderson cables)
Solar Panel Compatibility12-148V DC input, 18-140V MPPT; compatible with most solar panels within 150V with Anderson connector12-150V DC panels
AC Power
Ac Output Amps20A max (NEMA 5-20R)—
Ac Power Continuous40004000
Ac Power Surge70007000
Ac Wave QualityPure Sine WavePure Sine Wave
Connectivity
App ControlYesNo
BluetoothYesNo
Wifi ConnectivityYesNo
Wireless ChargingNoNo
Price
Base Price1499.001999.99
Bundle Price2749.00—
Cost Per Wh0.300.40
Price DescriptionSale price $1,499.00 (regular $3,499.00). Bundle options: Mega 5 + B5 Extra Battery $2,749.00; Mega 5 + 2x 240W Solar $1,899.00; Mega 5 + 4x 240W Solar $2,349.00From $1,999.99 USD. Expandable with S5-BAT extra battery to 10,080Wh
Battery
Battery Capacity Wh50405040
Battery Lifespan Cycles3500—
Expandable CapacityYesYes
Extra Battery Capacity50405040
Max Extra Batteries81
Product Info
BrandOUPESGrecell
Model NameMega 5S5
Product Urlhttps://oupes.com/products/oupes-mega-5-portable-power-stationhttps://grecell.com/products/portable-power-station-4000w
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 60W per port)DC 5521 x6 (12V/10A each, 30A total); Car outlet 12V/10A; USB-A 18W; USB-C PD 60W
Physical
Dimensions64.15 x 30.45 x 43.75 cm64.0 x 30.2 x 43.7 cm
Energy Density Wh Per Kg98.898.8
Operating Temp0°C~40°C (32°F~104°F)-10°C to 40°C (14°F to 104°F)
PortableYesNot Portable (stationary/semi-fixed)
Weight51 kg · 112.4 lbs51 kg · 112.4 lbs
Advanced Features
Parallel ExpansionNoNo
Ups FunctionalityEPSYes
Ups Switch Time20≤20ms
Warranty
Warranty5—