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EF ECOFLOW DELTA 3 Classic

EF ECOFLOW DELTA 3 Classic

EF ECOFLOW Portable Power Station Delta 3 Classic, 1024Wh 1800W AC | 3600W Surge, 1 Hr Fast Charge, 100W USB-C Output, LiFePO4 Battery, 10ms UPS Solar Generator for Home Backup, Camping & RVs

In Stock

Price
$498.99
View on Amazon

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Ranking within Category

Comparing this product to others on Nomad Gear Finder (in the portable power stations category with a value specified):

  • This product's Battery capacity is lower than 71% of 88 others: 20 Ah
  • This product's USB-A ports count is lower than 82% of 131 others: 1
  • This product's 12V DC outlets count is lower than 95% of 121 others: 0
  • This product's Length is higher than 71% of 139 others: 15.67 in. (398 mm)

Compare this product with close matches

Specifications

These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.

Model
DELTA 3 Classic
Manufacturer page
Link
User manual
Link
Popular brand
Yes

Core specs

Battery capacity
1,024 Wh
Battery capacity
20 Ah
Output wattage
1,800 W
Peak wattage
3,600 W
Pass-through charging
Yes
Max expanded capacity
0 Wh
Battery chemistry
LiFePO4

Internals

Inverter type
Pure Sine Wave
UPS switchover
10 ms
Voltage
120 V
Frequency
60 Hz
Noise level
30 dB
App connectivity
Wi-Fi and Bluetooth

Outlets

AC outlets description
1,800W In Total, 3,600W Surge, 120V, 60Hz
USB-A ports count
1
USB-A ports description
1 x 18W Max., 5V/3A, 9V/2A, 12V/1.5A
USB-C ports count
2
USB-C ports description
1 x 100W Max., 1 x 30W Max.
12V DC outlets count
0

Charging

Max charging input
1,400 W
AC charging input
1,400W Max., 15A, 100-120V
AC charging time
80% in ≈45 min
Solar inputs count
1
Solar charging input
500W Max., 11V-60V, 15A Max.
Solar input voltage
11 to 60V DC
Solar charging time
≈2.5 Hours (500W)
Solar panel connector
XT60
Car charging input
12V, 8A Max. from Cigarette Lighter Port
Alternator charging
Yes

Temperature Range

Charging temp min
32 ℉
Charging temp max
113 ℉
Charging temp min
0 ℃
Charging temp max
45 ℃
Discharging temp min
14 ℉
Discharging temp max
113 ℉
Discharging temp min
-10 ℃
Discharging temp max
45 ℃
Storage temp min
14 ℉
Storage temp max
113 ℉
Storage temp min
-10 ℃
Storage temp max
45 ℃

Physical Attributes

Weight
26.68 lbs
Weight
12.10 kg
Length
15.67 in.
Length
398 mm
Width
7.87 in.
Width
200 mm
Depth/Height
11.14 in.
Depth/Height
283 mm

More specifications

Warranty
3 Years, +2 Years with Registration

Features

Details from the EF ECOFLOW DELTA 3 Classic Amazon listing:

  • Power for Every Scenario: EcoFlow DELTA 3 Classic delivers 1800W output (3600W surge) with X-Boost technology—enough for refrigerators, microwaves, laptops, and more. Expandable up to 2600W with X-Boost for even heavier loads.
  • Ultra-Fast Charging: Go from 0–80% in just 45 minutes with X-Stream AC charging. Keep your devices and appliances powered faster, smarter, and with greater peace of mind—whether at home, outdoors, or on the go.
  • <10ms UPS: Protect sensitive electronics like PCs, servers, and medical devices. DELTA 3 Classic automatically switches to battery in under 10ms, preventing downtime, data loss, or interruptions.
  • Built to Last: With LiFePO4 battery cells rated for 10+ years of daily use, EV-grade CTC design, and a smart Battery Management System, DELTA 3 Classic ensures safe, reliable power in any condition.
  • Fast Solar Recharging: Recharge in just 2.5 hours with a 500W solar panel (optional). Clean, renewable energy lets you stay powered wherever the sun shines—perfect for off-grid living or outdoor adventures.
  • Smart App Control: Take charge of your energy with the EcoFlow app. Monitor usage, set charging schedules, and activate backup modes like Storm Alert or Self-Powered Mode—all from your phone.
  • DELTA 3 Classic is not compatible with DELTA 2 Smart Extra Battery and Delta 3 Series Smart Extra Battery.

Similar products from other brands

Chosen for their similar specs and price:

Similar products from other brands
This productEF ECOFLOW DELTA 3 Classic Dabbsson 2000L Jackery HomePower 2000 Plus v2 FOSSIBOT F1800
Price $498.99 $648.00 $1,069.00 $399.00
Model DELTA 3 Classic 2000L HomePower 2000 Plus v2 F1800
Popular brand Yes – Yes –
Battery capacity (Wh) 1,024 2,048 2,048 1,024
Battery capacity (Ah) 20 40 – 20
Output wattage (W) 1,800 2,200 2,400 1,800
Peak wattage (W) 3,600 4,400 4,800 3,600
Pass-through charging Yes – Yes –
Cycle lifespan – 4,000 Cycles to 80% Original Capacity 6,000+ Cycles to 70% Original Capacity 4,000+ Cycles to 80% Original Capacity
Max expanded capacity (Wh) 0 0 12,288 –
Battery chemistry LiFePO4 Semi-Solid LiFePO4 LiFePO4 LiFePO4
Solar charge controller – – – MPPT
Inverter type Pure Sine Wave Pure Sine Wave Pure Sine Wave Pure Sine Wave
UPS switchover (ms) 10 15 10 10
Voltage (V) 120 120 120 120
Frequency (Hz) 60 60 60 –
Noise level (dB) 30 50 30 30
App connectivity Wi-Fi and Bluetooth Wi-Fi and Bluetooth Wi-Fi and Bluetooth Wi-Fi and Bluetooth
AC outlets count – 6 4 3
AC outlets description 1,800W In Total, 3,600W Surge, 120V, 60Hz 6 x 120V AC Outlet, 2,200W In Total, 4,400W Surge, 60Hz 4 x 120V/20A, 2,400W In Total 3 x 120V AC Outlet, 1,800W In Total, 3,600W Surge, 50/60Hz
USB-A ports count 1 2 1 1
USB-A ports description 1 x 18W Max., 5V/3A, 9V/2A, 12V/1.5A 2 x 15W Max., 5V/3A 1 x 18W Max. 1 x 18W Max.
USB-C ports count 2 2 2 2
USB-C ports description 1 x 100W Max., 1 x 30W Max. 1 x 100W Max., 1 x 30W Max. 1 x 140W Max., 1 x 30W Max. 2 x 140W Max.
12V DC outlets count 0 2 1 1
12V DC outlets description – 1 x 12.6V/10A (Car Outlet), 126W Max., 1 x DC5521 12.6V 1 x 12V/10A (Car Outlet), 120W Max. 1 x 12V/10A (Car Outlet)
48V DC outlets count – – 0 –
240V output – No No –
RV TT-30 outlet – – No –
Max charging input (W) 1,400 1,800 – –
AC charging input 1,400W Max., 15A, 100-120V 1,500W Max., 15A, 100-120V 15A Max., 100-120V 1,200W Max.
AC charging time 80% in ≈45 min ≈2 Hours (full), 80% in ≈1.5 Hours ≈98 min ≈1.1 Hours
Solar inputs count 1 – 1 –
Solar charging input 500W Max., 11V-60V, 15A Max. 800W Max., 12-60V, 20A Max. 800W Max., 16V-60V, 21A Max. 500W Max., 12V-60V, 15A Max.
Solar input voltage 11 to 60V DC 12 to 60V DC 16 to 60V DC 12 to 60V DC
Solar charging time ≈2.5 Hours (500W) – ≈3.2 Hours (800W) ≈2 Hours (500W)
Solar panel connector XT60 – DC8020 XT60
Car charging input 12V, 8A Max. from Cigarette Lighter Port 12/24V from Cigarette Lighter Port, 8A default 11-16V, 8A Max. from Cigarette Lighter Port 12V, 10A
Car charging time – – – ≈9 Hours (120W)
Alternator charging Yes – Yes –
Charging temp min (℉) 32 32 14 32
Charging temp max (℉) 113 113 113 104
Charging temp min (℃) 0 0 -10 0
Charging temp max (℃) 45 45 45 40
Discharging temp min (℉) 14 14 14 14
Discharging temp max (℉) 113 113 113 104
Discharging temp min (℃) -10 -10 -10 -10
Discharging temp max (℃) 45 45 45 40
Storage temp min (℉) 14 14 -4 –
Storage temp max (℉) 113 113 113 –
Storage temp min (℃) -10 -10 -20 –
Storage temp max (℃) 45 45 45 –
Weight (lbs) 26.68 41.00 41.00 24.80
Weight (kg) 12.10 18.60 19.00 11.25
Length (in.) 15.67 18.30 14.41 14.61
Length (mm) 398 465 366 371
Width (in.) 7.87 8.90 10.04 8.11
Width (mm) 200 226 255 206
Depth/Height (in.) 11.14 11.20 10.71 10.16
Depth/Height (mm) 283 284 272 258
Built-in wheels – – No –
Certifications summary – ETL, FCC, PSE, WEEE, RoHS, TELEC – FCC, CE, PSE, RoHS
UN 38.3 tested – – – Yes
Warranty 3 Years, +2 Years with Registration 5 Years 5 Years 5 Years

Data sources

Data for this product compiled from these sources:

Specifications last updated Oct 12, 2026.