EcoFlow DELTA 3 Classic
EcoFlow

EcoFlow DELTA 3 Classic

73.3/100
A-
#38 of 194 overall
#12 in EcoFlow
$599$0.59/Wh
Under $1,000
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Where to Buy

Compare prices across 3 retailers · Save up to $173

Price dropped 36%·Was $893 → $572

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Amazon
AmazonBest Price
$399
Lowest price
EcoFlow Store
EcoFlow Store
$449
Amazon DE
Amazon DE
EUR
€572

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
1024Wh
AC Output
1800W
Solar Input
500W
Weight
12.1 kg· 26.7 lbs
Cycles
4000
UPS
10

Real-World Runtime Estimates

Pick an activity to see how long EcoFlow DELTA 3 Classic powers a typical loadout.

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CPAP & Medical

Great· 100See all picks for CPAP & Medical
CPAP Machine (40W)· 90% duty24.2 hours
Humidifier (30W)· 40% duty72.5 hours
Nebulizer (100W)8.7 hours
Oxygen Concentrator (350W)· 90% duty2.8 hours
Phone Charger (20W)43.5 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.

CPAP & Medical runtime estimates

  • CPAP Machine (40W): 24.2 hours
  • Humidifier (30W): 72.5 hours
  • Nebulizer (100W): 8.7 hours
  • Oxygen Concentrator (350W): 2.8 hours
  • Phone Charger (20W): 43.5 hours

Remote Work runtime estimates

  • Laptop (65W): 13.4 hours
  • 27" Monitor (40W): 21.8 hours
  • Router + Modem (30W): 29.0 hours
  • Phone Charger (20W): 43.5 hours
  • Desk Lamp (10W): 87.0 hours

Apartment Dweller runtime estimates

  • Router + Modem (30W): 29.0 hours
  • Laptop (65W): 13.4 hours
  • 55" TV (120W): 7.3 hours
  • Phone Charger (20W): 43.5 hours
  • Mini Fridge (60W): 41.4 hours

Camping runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • LED Lantern (10W): 87.0 hours
  • Portable Fan (40W): 21.8 hours
  • Phone Charger (20W): 43.5 hours
  • Laptop (65W): 13.4 hours

Boats & Marine runtime estimates

  • Fish Finder (5W): 174 hours
  • Mini Fridge (60W): 41.4 hours
  • LED Lantern (10W): 87.0 hours
  • Phone Charger (20W): 43.5 hours
  • 12V Water Pump (100W): 29.0 hours

Ice Fishing runtime estimates

  • Electric Ice Auger (500W): 1.7 hours
  • Fish Finder (5W): 174 hours
  • Space Heater (750W): 1.9 hours
  • Phone Charger (20W): 43.5 hours
  • LED Lantern (10W): 87.0 hours

Tailgating runtime estimates

  • 55" TV (120W): 7.3 hours
  • PA Speaker (150W): 5.8 hours
  • Mini Fridge (60W): 41.4 hours
  • Blender (500W): 1.7 hours
  • Phone Charger (20W): 43.5 hours

Photography & Video runtime estimates

  • Camera Battery Charger (30W): 29.0 hours
  • LED Light Panel (100W): 8.7 hours
  • Drone Charger (70W): 12.4 hours
  • Laptop (65W): 13.4 hours
  • 27" Monitor (40W): 21.8 hours

Outdoor Events runtime estimates

  • PA Speaker (150W): 5.8 hours
  • Stage Light (200W): 4.4 hours
  • LED Light Panel (100W): 8.7 hours
  • Laptop (65W): 13.4 hours
  • Phone Charger (20W): 43.5 hours

Budget Camping runtime estimates

  • Phone Charger (20W): 43.5 hours
  • LED Lantern (10W): 87.0 hours
  • Portable Fan (40W): 21.8 hours
  • Laptop (65W): 13.4 hours
  • Mini Fridge (60W): 41.4 hours

Home Backup runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • Router + Modem (30W): 29.0 hours
  • 55" TV (120W): 7.3 hours
  • Laptop (65W): 13.4 hours
  • Phone Charger (20W): 43.5 hours

Job Sites runtime estimates

  • Circular Saw (1800W): 0.5 hours
  • Corded Drill (700W): 1.2 hours
  • Air Compressor (1000W): 2.2 hours
  • Laptop (65W): 13.4 hours
  • Phone Charger (20W): 43.5 hours

Overlanding runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • LED Light Panel (100W): 8.7 hours
  • Laptop (65W): 13.4 hours
  • Phone Charger (20W): 43.5 hours
  • 12V Water Pump (100W): 29.0 hours

Van Life runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • 12V Water Pump (100W): 29.0 hours
  • LED Lantern (10W): 87.0 hours
  • Laptop (65W): 13.4 hours
  • Portable Fan (40W): 21.8 hours

Emergency Preparedness runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • CPAP Machine (40W): 24.2 hours
  • Router + Modem (30W): 29.0 hours
  • LED Light Panel (100W): 8.7 hours
  • Phone Charger (20W): 43.5 hours

RV Life runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • 55" TV (120W): 7.3 hours
  • Laptop (65W): 13.4 hours
  • 12V Water Pump (100W): 29.0 hours
  • Coffee Maker (800W): 1.1 hours

Off-Grid Living runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • Laptop (65W): 13.4 hours
  • LED Light Panel (100W): 8.7 hours
  • 12V Water Pump (100W): 29.0 hours
  • Induction Cooktop (1800W): 0.5 hours

Food Trucks runtime estimates

  • Induction Cooktop (1800W): 0.5 hours
  • Blender (500W): 1.7 hours
  • Portable Freezer (120W): 20.7 hours
  • Coffee Maker (800W): 1.1 hours
  • LED Light Panel (100W): 8.7 hours

Solar Setup runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • Laptop (65W): 13.4 hours
  • 12V Water Pump (100W): 29.0 hours
  • LED Light Panel (100W): 8.7 hours
  • 55" TV (120W): 7.3 hours

Whole Home Backup runtime estimates

  • Mini Fridge (60W): 41.4 hours
  • Portable Freezer (120W): 20.7 hours
  • Router + Modem (30W): 29.0 hours
  • 55" TV (120W): 7.3 hours
  • Space Heater (750W): 1.9 hours

Pros

  • Strong Noise Level: 30
  • Strong Portable: Yes
  • Strong Battery Lifespan Cycles: 4000
  • Strong Ac Wave Quality: Pure Sine Wave
  • Strong Ac Charge Speed: 60

Cons

  • Low Expandable Capacity: No
  • Limited data for comparison
  • Limited data for comparison

Not Recommended

Food TrucksSolar SetupWhole Home Backup

Technical Score Breakdown

Warranty100
Price91.4
AC Power89.3
Advanced Features66.7
Physical93.8
Charging90.7
Connectivity75
Battery40.8

Capacity Position

EcoFlow DELTA 3 Classic
90 Wh1,024 Wh6,144 Wh

Technical Specifications

Product Info
Model Name
DELTA 3 Classic
Product Url
https://us.ecoflow.com/products/delta-3-classic-portable-power-station
Brand
EcoFlow
DC Power
Dc Output
USB-A: 1x18W; USB-C: 1x100W + 1x30W; No 12V DC output
Charging
Solar Connector Type
XT60i
Charger Type
AC (X-Stream 1400W max), Solar (500W max, XT60i), Car/Alternator (96W via XT60i), Smart Generator compatible
Max Solar Panels
2
Solar Panel Compatibility
EcoFlow 160W Portable Solar Panel, EcoFlow 220W Portable Solar Panel; any MPPT panel with XT60i connector, 11-60V input, max 15A
Max Solar Input
500
Ac Charge Speed
60
Pass Through Charging
Yes
Smart Charging
Yes
Fast Charging
Yes
Physical
Dimensions
39.8 x 20.0 x 28.3 cm
Operating Temp
14°F to 113°F
Energy Density Wh Per Kg
84.6
Noise Level
30
Weight
12.1
Portable
Yes
Battery
Max Extra Batteries
0
Battery Capacity Wh
1024
Battery Lifespan Cycles
4000
Expandable Capacity
No
AC Power
Ac Output Amps
15A max
Ac Power Continuous
1800
Ac Power Surge
3600
Ac Wave Quality
Pure Sine Wave
Price
Bundle Price
569.00
Price Description
$150 OFF — Sale $449, was $599
Base Price
599.00
Cost Per Wh
0.59
Advanced Features
Ups Functionality
Yes
Ups Switch Time
10
Parallel Expansion
No
Connectivity
Wireless Charging
No
App Control
Yes
Bluetooth
Yes
Wifi Connectivity
Yes
Warranty
Warranty
5

Competitor Comparison

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

Spec
EcoFlow DELTA 3 Classic
This model
EcoFlow DELTA 3 Classic
73.3 / A-
EcoFlow DELTA 3 Plus
EcoFlow
EcoFlow DELTA 3 Plus
80.8 / A+
Jackery Explorer 1000 Plus
EcoFlow Delta 3
EcoFlow
EcoFlow Delta 3
78.3 / A+
Overall score73.380.878.678.3
Capacity1,024 Wh1,024 Wh1,264 Wh1,024 Wh
AC output1,800 W1,800 W2,000 W1,800 W
Weight12.1 kg · 26.7 lbs12.5 kg · 27.6 lbs14.5 kg · 32 lbs12.5 kg · 27.6 lbs
Battery cycles4,0004,0004,0004,000
UPS switch time10 ms10 ms20 ms10 ms
Max solar input500 W1,000 W800 W500 W
Price$599$599$599$699
Cost per Wh$0.59/Wh$0.59/Wh$0.47/Wh$0.68/Wh

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

All EcoFlow Reviews →Best Under $1,000 Stations →Best Under $1,000 →Best for cpap medical →Best for remote work →