OUPES Mega 3
OUPES

OUPES Mega 3

78.8/100
A+
#5 of 194 overall
#2 in OUPES
$1099$0.36/Wh
Under $2,000Top 10 Overall
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Where to Buy

Compare prices across 4 retailers · Save up to $500

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Walmart
WalmartBest Price
$1,099
Lowest price

Prices are checked periodically and may not reflect real-time changes. Always verify the final price on the retailer's website before purchasing.

Performance Matrix

Battery
3072Wh
AC Output
3600W
Solar Input
2100W
Weight
37.8 kg· 83.3 lbs
Cycles
3500
UPS
20

Real-World Runtime Estimates

Pick an activity to see how long OUPES Mega 3 powers a typical loadout.

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Emergency Preparedness

Great· 100See all picks for Emergency Preparedness
Mini Fridge (60W)· 35% duty124 hours
CPAP Machine (40W)· 90% duty72.5 hours
Router + Modem (30W)87.0 hours
LED Light Panel (100W)26.1 hours
Phone Charger (20W)130 hours

Runtimes are estimates. Fridges, AC units, humidifiers and similar devices are modeled with realistic duty cycles so numbers reflect average draw, not peak wattage.

Emergency Preparedness runtime estimates

  • Mini Fridge (60W): 124 hours
  • CPAP Machine (40W): 72.5 hours
  • Router + Modem (30W): 87.0 hours
  • LED Light Panel (100W): 26.1 hours
  • Phone Charger (20W): 130 hours

Job Sites runtime estimates

  • Circular Saw (1800W): 1.5 hours
  • Corded Drill (700W): 3.7 hours
  • Air Compressor (1000W): 6.5 hours
  • Laptop (65W): 40.2 hours
  • Phone Charger (20W): 130 hours

RV Life runtime estimates

  • Mini Fridge (60W): 124 hours
  • 55" TV (120W): 21.8 hours
  • Laptop (65W): 40.2 hours
  • 12V Water Pump (100W): 87.0 hours
  • Coffee Maker (800W): 3.3 hours

Overlanding runtime estimates

  • Mini Fridge (60W): 124 hours
  • LED Light Panel (100W): 26.1 hours
  • Laptop (65W): 40.2 hours
  • Phone Charger (20W): 130 hours
  • 12V Water Pump (100W): 87.0 hours

Van Life runtime estimates

  • Mini Fridge (60W): 124 hours
  • 12V Water Pump (100W): 87.0 hours
  • LED Lantern (10W): 261 hours
  • Laptop (65W): 40.2 hours
  • Portable Fan (40W): 65.3 hours

Home Backup runtime estimates

  • Mini Fridge (60W): 124 hours
  • Router + Modem (30W): 87.0 hours
  • 55" TV (120W): 21.8 hours
  • Laptop (65W): 40.2 hours
  • Phone Charger (20W): 130 hours

Tailgating runtime estimates

  • 55" TV (120W): 21.8 hours
  • PA Speaker (150W): 17.4 hours
  • Mini Fridge (60W): 124 hours
  • Blender (500W): 5.2 hours
  • Phone Charger (20W): 130 hours

Outdoor Events runtime estimates

  • PA Speaker (150W): 17.4 hours
  • Stage Light (200W): 13.1 hours
  • LED Light Panel (100W): 26.1 hours
  • Laptop (65W): 40.2 hours
  • Phone Charger (20W): 130 hours

Off-Grid Living runtime estimates

  • Mini Fridge (60W): 124 hours
  • Laptop (65W): 40.2 hours
  • LED Light Panel (100W): 26.1 hours
  • 12V Water Pump (100W): 87.0 hours
  • Induction Cooktop (1800W): 1.5 hours

Food Trucks runtime estimates

  • Induction Cooktop (1800W): 1.5 hours
  • Blender (500W): 5.2 hours
  • Portable Freezer (120W): 62.2 hours
  • Coffee Maker (800W): 3.3 hours
  • LED Light Panel (100W): 26.1 hours

Remote Work runtime estimates

  • Laptop (65W): 40.2 hours
  • 27" Monitor (40W): 65.3 hours
  • Router + Modem (30W): 87.0 hours
  • Phone Charger (20W): 130 hours
  • Desk Lamp (10W): 261 hours

Solar Setup runtime estimates

  • Mini Fridge (60W): 124 hours
  • Laptop (65W): 40.2 hours
  • 12V Water Pump (100W): 87.0 hours
  • LED Light Panel (100W): 26.1 hours
  • 55" TV (120W): 21.8 hours

CPAP & Medical runtime estimates

  • CPAP Machine (40W): 72.5 hours
  • Humidifier (30W): 217 hours
  • Nebulizer (100W): 26.1 hours
  • Oxygen Concentrator (350W): 8.3 hours
  • Phone Charger (20W): 130 hours

Boats & Marine runtime estimates

  • Fish Finder (5W): 522 hours
  • Mini Fridge (60W): 124 hours
  • LED Lantern (10W): 261 hours
  • Phone Charger (20W): 130 hours
  • 12V Water Pump (100W): 87.0 hours

Photography & Video runtime estimates

  • Camera Battery Charger (30W): 87.0 hours
  • LED Light Panel (100W): 26.1 hours
  • Drone Charger (70W): 37.3 hours
  • Laptop (65W): 40.2 hours
  • 27" Monitor (40W): 65.3 hours

Ice Fishing runtime estimates

  • Electric Ice Auger (500W): 5.2 hours
  • Fish Finder (5W): 522 hours
  • Space Heater (750W): 5.8 hours
  • Phone Charger (20W): 130 hours
  • LED Lantern (10W): 261 hours

Apartment Dweller runtime estimates

  • Router + Modem (30W): 87.0 hours
  • Laptop (65W): 40.2 hours
  • 55" TV (120W): 21.8 hours
  • Phone Charger (20W): 130 hours
  • Mini Fridge (60W): 124 hours

Budget Camping runtime estimates

  • Phone Charger (20W): 130 hours
  • LED Lantern (10W): 261 hours
  • Portable Fan (40W): 65.3 hours
  • Laptop (65W): 40.2 hours
  • Mini Fridge (60W): 124 hours

Camping runtime estimates

  • Mini Fridge (60W): 124 hours
  • LED Lantern (10W): 261 hours
  • Portable Fan (40W): 65.3 hours
  • Phone Charger (20W): 130 hours
  • Laptop (65W): 40.2 hours

Whole Home Backup runtime estimates

  • Mini Fridge (60W): 124 hours
  • Portable Freezer (120W): 62.2 hours
  • Router + Modem (30W): 87.0 hours
  • 55" TV (120W): 21.8 hours
  • Space Heater (750W): 5.8 hours

Pros

  • Strong Ac Power Surge: 7000
  • Strong Ac Wave Quality: Pure Sine Wave
  • Strong Max Solar Input: 2100
  • Strong Ac Charge Speed: 108
  • Strong Pass Through Charging: Yes

Cons

  • Low Noise Level: 60
  • Low Ups Switch Time: 20
  • Low Weight: 37.8

Technical Score Breakdown

AC Power100
Warranty100
Price89
Physical72
Charging100
Battery92
Connectivity75
Advanced Features58.9

Capacity Position

OUPES Mega 3
90 Wh3,072 Wh6,144 Wh

Technical Specifications

Price
Extra Battery Cost
1,000.00
Bundle Price
1669.00
Price Description
Sale 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
Base Price
1099.00
Cost Per Wh
0.36
Product Info
Model Name
Mega 3
Product Url
https://oupes.com/products/oupes-mega-3-home-backup-portable-power-station-3600w-3072wh
Brand
OUPES
Physical
Dimensions
64.15 x 30.45 x 43.75 cm
Operating Temp
0°C~40°C (32°F~104°F)
Noise Level
60
Energy Density Wh Per Kg
81.3
Portable
Yes
Weight
37.8
Battery
Extra Battery Capacity
2048
Max Extra Batteries
6
Battery Lifespan Cycles
3500
Battery Capacity Wh
3072
Expandable Capacity
Yes
AC Power
Ac Output Amps
20A max (NEMA 5-20R), 30A max (TT-30R)
Ac Power Continuous
3600
Ac Power Surge
7000
Ac Wave Quality
Pure Sine Wave
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 100W per port)
Charging
Solar Connector Type
Anderson (MC4 to Anderson cable included)
Solar Panel Compatibility
OUPES 240W Solar Panel; compatible with MC4 solar panels via included adapter
Charger Type
AC wall adapter (Fast: 1800W, Slow: 900W), Solar (MPPT 18-140V, 15A max), Car/Alternator
Max Solar Input
2100
Ac Charge Speed
108
Pass Through Charging
Yes
Fast Charging
Yes
Smart Charging
Yes
Advanced Features
Parallel Expansion
No
Ups Functionality
Yes
Ups Switch Time
20
Connectivity
App Control
Yes
Bluetooth
Yes
Wifi Connectivity
Yes
Wireless Charging
No
Warranty
Warranty
5

Competitor Comparison

Side‑by‑side specs vs 3 similar models in the same capacity and price range.

Spec
OUPES Mega 3
This model
OUPES Mega 3
78.8 / A+
Overall score78.876.275.975.0
Capacity3,072 Wh3,168 Wh3,840 Wh3,072 Wh
AC output3,600 W3,200 W4,200 W3,600 W
Weight37.8 kg · 83.3 lbs42 kg · 92.6 lbs39.6 kg · 87.3 lbs41.5 kg · 91.5 lbs
Battery cycles3,5003,5003,5004,000
UPS switch time20 ms15 ms20 ms20 ms
Max solar input2,100 W2,000 W3,000 W2,400 W
Price$1,099$1,500$1,199$1,299
Cost per Wh$0.36/Wh$0.47/Wh$0.31/Wh$0.42/Wh

Green value + dot = best in that row. Similar models selected from the same capacity tier, priced within ±40%.