EcoFlow · Power station · DELTA 3 Classic

DELTA 3 Classic

4 Ways to Charge, Ready in Just 45 Mins: Charges from 0–80% in just 45 minutes with AC charging. .

1,800W rated1,024WhRechargeable batteryCheck availability

Check EcoFlow price Official listed price $499.00

EcoFlow DELTA 3 Classic Portable Power Station (1024Wh) — Official product image · EcoFlow

Infographic gallery

Output, stored energy, charging, and portability.

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01 · Usable output

1,800W rated output

Battery1,800W / 3,600W

The comparison uses EcoFlow’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Listed capacity

1,024Wh

Published runtime guidance

Runtime depends on stored capacity and connected load

03 · Size & construction

12.1kg+0.3kg

Listed weight

398mm×200mm×283mm

Dimensions

Battery or engine: LFP(LiFePO4) battery system
Warranty: 5-Year Warranty. *Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration

04 · Charging & continuity

Charging or integration

AC Input (Charge Only): 100-120V~15A 50/60Hz 1400W Max; Maximum PV Input Power(W): 500W

Backup transfer

10ms

Noise

Quiet battery operation; fan noise varies by load

Official product gallery

Product views and factory feature graphics.

The current official image set for DELTA 3 Classic includes product views, connection diagrams, feature explanations, and compatible system configurations where EcoFlow publishes them.

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Complete specifications

The complete factory data available for comparison.

These pages retain EcoFlow's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Follow charging, storage, and installation guidance. Whole-home connections and transfer equipment should be installed according to EcoFlow instructions and applicable electrical codes.

Comparison summary

Battery output: 1,800W rated / 3,600W peak or maximum
Stored energy: 1,024Wh
Energy source: Rechargeable battery
Dimensions: 398mm×200mm×283mm
Listed weight: 12.1kg+0.3kg
Price and availability: $499.00 official listed price; check current availability

Factory output & connection specifications

Rated Capacity: 1024Wh 51.2V 20Ah
AC Output: 120V~60Hz 1800W total
USB-A Output: USB-A: 5V=3A,9V=2A,12V=1.5A,18W Max
USB-C Output: USB-C1:5/9/12/15V=3A, 20V=5A, 100W Max. USB-C2:5/9V=3A, 15V=2A,30W Max
AC Input (Charge Only): 100-120V~15A 50/60Hz 1400W Max
Maximum PV Input Power(W): 500W

Factory charging & battery specifications

Cell Chemistry: LFP(LiFePO4)
Charge Temperature: 0°C-45°C(32°F-113°F)
Discharge Temperature: -10 to 45°C(14°F-113°F)

Factory dimensions & operating specifications

Net Weight: 12.1kg+0.3kg
Dimensions (HWD): 398mm×200mm×283mm
Optimal operating temperature: 20°C to 30°C (68°F to 86°F)
Storage Temperature: -10 to 45°C(14°F-113°F)

Factory ownership, control & protection specifications

Warranty: 5-Year Warranty. *Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration
UPS: 10ms

Additional factory specifications

X-Boost: 2600W
Communication Method: Wi-Fi & Bluetooth

Official feature details

System capability

1. 4 Ways to Charge, Ready in Just 45 Mins: Charges from 0–80% in just 45 minutes with AC charging

Power and expansion

2. 1800W Powerful Output: 3600W surge output

Charging flexibility

3. 10ms Auto-Switch: Keep critical devices like NAS systems and servers running smoothly

Battery and durability

4. 30dB Whisper-Quiet Operation: Ultra-low noise ≤30dB at 600W

Controls and continuity

5. Long-Lasting, Durable, and Reliable: Equipped with automotive-grade full-tab LFP cells, offering 10 years of reliable power, 24/7 protection BMS, and EV-grade CTC structure that protects against overnight condensation and off-road bumps during transport

Portability detail

6. Lightweight, Compact, Portable: Fits seamlessly into any setting, from your home to the great outdoors

Compatibility note

8. Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration

Best-fit uses

Home essentials
RV and camping
Power tools and appliances
Short outages

Standout features

1,800W rated output
3,600W peak or surge output
1,024Wh listed capacity
LFP(LiFePO4)

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan

Sources: EcoFlow DELTA 3 Classic EcoFlow productsVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact EcoFlow DELTA 3 Classic model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

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Solar charging equipment

Shop EcoFlow solar panels, charging leads, and adapters intended for its portable-power ecosystem.

Match the connector, solar input voltage, current limit, and maximum input published for DELTA 3 Classic.

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Charging cables and adapters

Find vehicle, wall, USB, and model-specific charging accessories from EcoFlow.

Confirm the exact input port and electrical limits for DELTA 3 Classic before ordering.

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Case, cart, or protective cover

Protective and mobility accessories can make storage and transport easier.

Check the listed dimensions and model fit for DELTA 3 Classic; do not block cooling inlets or exhaust fans during operation.

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Manuals & PDFs

Official product materials.

Manuals and document lookupSupport pageSearch EcoFlow support materials using the complete model, item, or serial number.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.