OUPES Mega 5vsGRECELL S5
Head-to-head comparison of scores, specs, and features.
VS
Winner
OUPES Mega 5
86.0Grade A-
Price
$1499.00
AC Power
4000W
GRECELL S5
63.1Grade B-
Price
$1999.99
AC Power
4000W
OUPES Mega 5wins by22.91points 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
95.0
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
| Feature | OUPES Mega 5 | GRECELL S5 |
|---|---|---|
Charging | ||
| Ac Charge Speed | 168 | 1800 |
| Charger Type | AC fast charging (1800W) / slow charging (900W), solar (Anderson), EV charging (1800W) | AC adapter (90-140V, 1800W) + car charger + solar |
| Fast Charging | Yes | Yes |
| Max Solar Input | 2100 | 2100 |
| Max Solar Panels | 6 | — |
| Pass Through Charging | Yes | Yes |
| Smart Charging | Yes | — |
| Solar Connector Type | Anderson (MC4 to Anderson adapter cable included) | XT90 / Anderson (includes XT90 to Anderson and Anderson cables) |
| Solar Panel Compatibility | 12-148V DC input, 18-140V MPPT; compatible with most solar panels within 150V with Anderson connector | 12-150V DC panels |
AC Power | ||
| Ac Output Amps | 20A max (NEMA 5-20R) | — |
| Ac Power Continuous | 4000 | 4000 |
| Ac Power Surge | 7000 | 7000 |
| Ac Wave Quality | Pure Sine Wave | Pure Sine Wave |
Connectivity | ||
| App Control | Yes | No |
| Bluetooth | Yes | No |
| Wifi Connectivity | Yes | No |
| Wireless Charging | No | No |
Price | ||
| Base Price | 1499.00 | 1999.99 |
| Bundle Price | 2749.00 | — |
| Cost Per Wh | 0.30 | 0.40 |
| Price Description | Sale 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 $2,349.00 | From $1,999.99 USD. Expandable with S5-BAT extra battery to 10,080Wh |
Battery | ||
| Battery Capacity Wh | 5040 | 5040 |
| Battery Lifespan Cycles | 3500 | — |
| Expandable Capacity | Yes | Yes |
| Extra Battery Capacity | 5040 | 5040 |
| Max Extra Batteries | 8 | 1 |
Product Info | ||
| Brand | OUPES | Grecell |
| Model Name | Mega 5 | S5 |
| Product Url | https://oupes.com/products/oupes-mega-5-portable-power-station | https://grecell.com/products/portable-power-station-4000w |
DC Power | ||
| Dc Output | 2x 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 | ||
| Dimensions | 64.15 x 30.45 x 43.75 cm | 64.0 x 30.2 x 43.7 cm |
| Energy Density Wh Per Kg | 98.8 | 98.8 |
| Operating Temp | 0°C~40°C (32°F~104°F) | -10°C to 40°C (14°F to 104°F) |
| Portable | Yes | Not Portable (stationary/semi-fixed) |
| Weight | 51 kg · 112.4 lbs | 51 kg · 112.4 lbs |
Advanced Features | ||
| Parallel Expansion | No | No |
| Ups Functionality | EPS | Yes |
| Ups Switch Time | 20 | ≤20ms |
Warranty | ||
| Warranty | 5 | — |