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EcoFlow · Portable power station

EcoFlow DELTA Pro 3

Current model

EcoFlow DELTA Pro 3: 4,096 Wh, 4,000 W continuous AC output. Check charging, ports and compatible gear below.

Capacity
4,096 Wh
Continuous AC
4,000 W
Solar input
up to 2,600 W
Sale 2,799 USD · Regular 3,699 USD

Selected configuration: DELTA Pro 3

Exact model / SKU

EFDELTAPRO3-US · 41385721004105

Check current USD price and availability at EcoFlow. Merchant checkout confirms the selected configuration.

Other reviewed buying options (1)

Seller prices, financing, promotions, shipping and returns are set by the merchant. Manufacturer warranties follow the exact product and purchase terms.

Facts reviewed 2026-09-24

Heeler RV may earn a commission from qualifying purchases through marked seller links. As an Amazon Associate I earn from qualifying purchases.

Full Specs

Specifications apply to the stated market and configuration. Expanded-system figures require the named additional equipment.

Capacity
4,096 Wh standalone stationEcoFlow DELTA Pro 3 US exact specification
Continuous AC output
4,000 W standalone stationEcoFlow DELTA Pro 3 US exact specification
Alternator charging supported
YesEcoFlow DELTA Pro 3 US
Alternator charge power
800 WEcoFlow DELTA Pro 3 US
Maximum solar input
2,600 W high-PV 1600W + low-PV 1000WEcoFlow DELTA Pro 3 US
Overview & limitations
Power input/output port limitation
Using the proprietary AC POWER IN/OUT port disables the station’s normal AC output sockets and AC input socket. Account for this when planning a hub or installed backup system.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
UPS and X-Boost limits
The manual quotes 10 ms standby UPS transfer. X-Boost is for compatible high-demand loads and does not raise the 4,000 W continuous rating to 6,000 W; it is unavailable during AC bypass and unsuitable for voltage-sensitive equipment.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Battery
Battery IP Rating
IP65EcoFlow source ↗ · reviewed 2026-09-24
Cell Chemistry
LFPEcoFlow source ↗ · reviewed 2026-09-24
Cycle Life
4000 cycles to 80% capacityEcoFlow source ↗ · reviewed 2026-09-24
Battery cycle-life conditions
4,096 Wh LFP. EcoFlow specifies at least 80% state of health after 4,000 cycles at 0.5C charge / 0.5C discharge and 25°C.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Rated Capacity
4096WhEcoFlow source ↗ · reviewed 2026-09-24
Outputs
120/240V AC Output
1 × NEMA L14-30R, 16.7AEcoFlow source ↗ · reviewed 2026-09-24
120V AC Output
4 × NEMA 5-20R, 20A 1 × NEMA TT-30R, 30AEcoFlow source ↗ · reviewed 2026-09-24
240V AC Output
1 × NEMA 6-20R, 16.7AEcoFlow source ↗ · reviewed 2026-09-24
AC Continuous Output
4,000 W continuous; X-Boost is a separate load-support mode and is not continuous rated output.EcoFlow source ↗ · reviewed 2026-09-24
AC Output
120/240V~16.7A 60Hz, 4000W totalEcoFlow source ↗ · reviewed 2026-09-24
AC Surge Output
8000WEcoFlow source ↗ · reviewed 2026-09-24
North American AC sockets and limits
4,000 W continuous / 8,000 W surge. Low-voltage mode uses four NEMA 5-20R and one TT-30R; high-voltage mode uses L14-30R and 6-20R. The two AC outlet groups cannot be enabled at the same time.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
USB and DC outputs
Two 18 W USB-A and two 100 W USB-C ports. The 12.6 V DC outputs share 378 W: DC5521 up to 5 A and Anderson up to 30 A.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
USB-A
2 × 5V-2.4A/9V-2A/12V-1.5A, 18W Max per port, 36W totalEcoFlow source ↗ · reviewed 2026-09-24
USB-C
2 × 5/9/12/15/20V-5A, 100W Max per port, 200W totalEcoFlow source ↗ · reviewed 2026-09-24
Charging
AC Charging Input
Charge Only: 100-240V~15A 50/60Hz Bypass Mode: 100-120V~15A (3 hours Max), 12A (continue), 50/60HzEcoFlow source ↗ · reviewed 2026-09-24
Car Charging Input
12V⎓8A Max / 48V⎓20A MaxEcoFlow source ↗ · reviewed 2026-09-24
Charging temp
0°C to 45°C | 32° to 113°FEcoFlow source ↗ · reviewed 2026-09-24
Discharging temp
-10°C to 45°C | 14° to 113°FEcoFlow source ↗ · reviewed 2026-09-24
AC and vehicle input
North American charge-only AC input: 100–240 V, 15 A. In AC bypass, the manual limits 15 A operation to three hours and specifies 12 A continuous input. The low-PV/car port lists 12 V/8 A or 48 V/20 A vehicle input; use the documented cable or onboard charger.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Separate solar input limits
High-PV XT60: 30–150 V, 15 A and 1,600 W. Low-PV XT60i: 11–60 V, 20 A and 1,000 W. Use the appropriate cable and keep cold-weather open-circuit voltage within the operating range.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Solar Charging Input
2600W total, 2 ports High-PV Input: 30V-150V⎓, 15A, 1600W Max Low-PV Input: 11V-60V⎓, 20A, 1000W MaxEcoFlow source ↗ · reviewed 2026-09-24
Configurations & compatibility
Expandable Capacity (Single Unit)
12kWh (2 × DP3 Extra Battery)EcoFlow source ↗ · reviewed 2026-09-24
Base unit and extra batteries
The base DELTA Pro 3 is 4,096 Wh / 4,000 W. It supports two extra batteries; two DELTA Pro 3 Smart Extra Batteries bring nominal storage to 12,288 Wh. The manual also supports the original DELTA Pro Smart Extra Battery.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Optional charging hardware
The 800 W Alternator Charger and Smart Generator connect through the DELTA Pro to Smart Generator Adapter. EV charging requires the EV X-Stream Adapter; a compatible generator can also use the normal AC cable or specified generator adapter. These accessories are additional purchases.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Multi-unit and home backup requirements
Two stations use a 50 Amp Hub and power input/output cables for double output. Three stations use Smart Home Panel 2 and the required cables. Building backup needs a suitable professionally installed transfer/isolation arrangement; confirm equipment availability and rules for the selected country.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Dimensions & operation
Connection
WiFi 2.4GHz/Bluetooth/CANEcoFlow source ↗ · reviewed 2026-09-24
Dimension
410.4 × 341 × 693 mm（16.16 × 13.43× 27.28 in.）EcoFlow source ↗ · reviewed 2026-09-24
Size, temperature and enclosure scope
51.5 kg; 410.4 × 341 × 693 mm. Charge at 0–45°C; discharge/storage at −10–45°C. IP65 applies only to the internal battery pack, not to the entire station or exposed electrical connections.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Net Weight
51.5kg (113.54 lb)EcoFlow source ↗ · reviewed 2026-09-24
Storage temp
-10°C to 45°C | 14° to 113°FEcoFlow source ↗ · reviewed 2026-09-24
UPS
10 msEcoFlow source ↗ · reviewed 2026-09-24
Included equipment
Standard package
DELTA Pro 3, AC charging cable, two grip protectors and product documents. Solar panels, extra batteries and specialized charging/system adapters are optional unless specified in the selected bundle.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Warranty & documentation
Connectivity and compliance
Wi-Fi, Bluetooth 5.0 and CAN via the REMOTE port are documented. The North American declarations specify FCC Part 15 Class A and Canadian ICES-003 Class A.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24
Regional manufacturer warranty policy
5 years. Original-purchaser coverage starts at delivery, requires proof of purchase from EcoFlow or an authorized seller, and applies to purchase and use in the United States. Buyers outside the contiguous U.S. bear transport costs to and from the contiguous U.S. Normal wear is excluded. Check the linked policy for eligibility and exclusions.Exact regional policy match; Full official HTML; original-purchaser terms, regional service, registration and exact period row reviewed; preserve purchase-date eligibility and exclusions.EcoFlow source ↗ · reviewed 2026-09-24
Warranty
5-year warrantyManufacturer warranty; eligibility, registration requirements, exclusions and purchase-region terms apply.EcoFlow source ↗ · reviewed 2026-09-24

Typical uses for this unit

  • A small laptop charger rated at 65 W is below the published continuous AC output. Check the charger label and count other loads.
  • A 100 W light or device load is below the published continuous output. Available runtime depends on usable battery energy and conversion losses.
  • A small appliance with a running draw below 500 W may fit the continuous output; compressor and motor startup still require a separate surge check.

These are examples, not a runtime promise or a connection approval. Fit My Needs checks your actual appliances with the existing calculator.

Verified compatible accessories

Manuals & downloads

Questions about this product

FAQs
Can a refrigerator switch off unexpectedly?
Intermittent low loads can trigger AC timeout. EcoFlow advises setting the AC timeout to Never for loads that must remain powered and checking battery level regularly.Reviewed manual scope: Complete English online manual; North American electrical column; diagrams identified but no installation design inferredEcoFlow source ↗ · reviewed 2026-09-24

Alternative models

Larger and smaller units are separate models. Compare their own specifications and connections.