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Portable power station comparison

EcoFlow DELTA Pro vs EcoFlow DELTA Pro 3

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow DELTA Pro Portable Power Station

EcoFlow DELTA Pro Portable Power Station

  • 3600 W continuous AC output.
  • 45,000 g.
  • Base capacity: 3600Wh.
  • Expansion: up to two DELTA Pro Smart Extra Batteries.
  • AC charging: input: 2875W maximum.
KSh 289,000Out of Stock
02
EcoFlow DELTA Pro 3 Portable Power Station

EcoFlow DELTA Pro 3 Portable Power Station

  • 4000 W continuous AC output.
  • 51,500 g.
  • Base capacity: 4096Wh.
  • Expansion: up to two DELTA Pro 3 Smart Extra.
  • AC charging: input: 2900W maximum.
KSh 441,000In Stock
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Anker SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
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EcoFlow DELTA Max 2000 Portable Power StationKSh 169,000
Anker 757 PowerHouse Portable Power StationKSh 185,000
EcoFlow DELTA 2 Max Portable Power StationKSh 154,000
Anker 535 Portable Power Station (512Wh, 500W)KSh 64,530
EcoFlow RIVER 2 Portable Power StationKSh 28,000
2 of 4 products

Our quick verdict

The EcoFlow DELTA Pro 3 has a larger 4,096 Wh battery and more solar input (2,600 W), while the EcoFlow DELTA Pro has more USB outputs (6) and is lighter (45 kg).

Output power

EcoFlow DELTA Pro
3600 W continuous AC output
EcoFlow DELTA Pro 3
4000 W continuous AC output

Weight

EcoFlow DELTA Pro
45 kg
EcoFlow DELTA Pro 3
51.5 kg

Stored energy

EcoFlow DELTA Pro
3600Wh
EcoFlow DELTA Pro 3
4096Wh

Charging

EcoFlow DELTA Pro
2875W maximum
EcoFlow DELTA Pro 3
2900W maximum

Ports

EcoFlow DELTA Pro
4× UK AC outlets, 3600W combined
EcoFlow DELTA Pro 3
4× UK Type G outlets (13A each)

Key differences

The main differences to help you choose.

EcoFlow DELTA Pro

  • More USB outputs: 6 (vs 4).
  • Lighter: 45 kg (vs 51.5 kg).
  • Also in the box: handle cover.

EcoFlow DELTA Pro 3

  • Larger battery: 4,096 Wh (vs 3,600 Wh).
  • Accepts more solar power: 2,600 W (vs 1,600 W).
  • Also in the box: grip protectors.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityEcoFlow DELTA ProEcoFlow DELTA Pro 3
Stored energy3600Wh4096Wh
Output power3600 W continuous AC output4000 W continuous AC output
ChargingInput: 2875W maximumInput: 2900W maximum
Ports4× UK AC outlets, 3600W combined4× UK Type G outlets (13A each)
Weight45 kg51.5 kg
FeaturesEps: Yes, transfer time: Within 30msUPS: Yes, transfer time: 10ms

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
Brand / ModelEcoFlow DELTA Pro; DELTA ProEcoFlow DELTA Pro 3; EFD521
Power Station TypeHeavy-duty portable / home-backup power stationHeavy-duty portable / home-backup power station
Battery Capacity / ExpansionBase capacity: 3600Wh Expansion: Up to two DELTA Pro Smart Extra Batteries; up to 10800Wh per stationBase capacity: 4096Wh Expansion: Up to two DELTA Pro 3 Smart Extra Batteries; up to 12288Wh per station
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 3500 cycles to 80%+ original capacityChemistry: LiFePO₄ (LFP) Cycle life: 4000 cycles to 80%+ original capacity (0.5C charge/discharge, 25°C)

AC Power

AC Power specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC Output / SurgeContinuous: 3600W Surge: 7200WContinuous: 4000W Surge: 8000W
High-Power ModeX-Boost: compatible resistive appliances up to 4500WX-Boost: compatible resistive appliances up to 6000W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz / 60Hz Inverter: Pure sine wave Region: UKVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC Outlets4× UK AC outlets; 3600W combined4× UK Type G outlets (13A each); 1× CEE outlet (16A); 4000W combined
USB Outputs2× USB-A 12W; 2× USB-A fast charging 18W; 2× USB-C 100W2× USB-A 18W; 2× USB-C 100W
DC / Vehicle OutputsCar socket: 12.6V / 10A, 126W; 2× DC5521: 12.6V / 3A, 38W per port; Anderson: 12.6V / 30A, 378WDC5521: 12.6V / 5A maximum; Anderson: 12.6V / 30A maximum; 378W combined DC output
Other OutputsProprietary Infinity / extra-battery connection portsProprietary AC power input/output and extra-battery ports

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC ChargingInput: 2875W maximum Recharge: 0–100% in approximately 2.7 hoursInput: 2900W maximum; 220–240V / 12.5A, 50Hz / 60Hz Recharge: 0–80% in approximately 1 hour
Solar ChargingPower: 1600W maximum Voltage: 11–150V Current: 15A maximumPower: 2600W total: high-PV 1600W + low-PV 1000W Voltage: High-PV: 30–150V; low-PV: 11–60V Current: High-PV: 15A; low-PV: 20A Mppt: Dual MPPT
Vehicle / Alternator Charging12V / 24V vehicle charging; 8A maximum; optional compatible alternator charger requires DELTA Pro Smart Generator AdapterLow-PV input: 12V / 8A vehicle charging; 48V / 20A supported
Other / Combined ChargingOptional EcoFlow Smart Generator; optional X-Stream EV charging adapterMethods: Optional compatible EcoFlow Smart Generator; multiple charging inputs

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
UPS / BackupEps: Yes Transfer time: Within 30ms Pass through: YesUps: Yes Transfer time: 10ms Pass through: Yes
Home Backup / ExpansionOptional EcoFlow Smart Home Panel and Infinity Cable; up to two compatible DELTA Pro extra batteriesUp to two compatible extra batteries; optional UK home transfer-switch integration

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
Battery Management / ProtectionBms: Yes Protection: Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage and overcurrent Charging temperature: 0–45°C Discharging temperature: −10–45°CBms: Yes Protection: Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage and overcurrent Charging temperature: 0–45°C Discharging temperature: −10–45°C IP rating: IP65 internal battery pack
Connectivity / Smart FeaturesWi-Fi; Bluetooth; EcoFlow app; LCD displayWi-Fi 4; Bluetooth 5; EcoFlow app; CAN (RJ45); backup reserve; charging limits

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA Pro Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
Dimensions / WeightDimensions: 635 × 285 × 416 mm Weight: 45 kgDimensions: 693 × 341 × 410 mm Weight: 51.5 kg
Portability / Noise / WarrantyPortability: Wheels; telescopic handle Warranty: UK manufacturer warranty: 36 months plus 24 months after registrationPortability: Wheels; telescopic handle Warranty: 5-year UK manufacturer warranty
In the BoxDELTA Pro, AC charging cable, car charging cable, DC5521-to-DC5525 cable, handle cover, user manual and warranty cardDELTA Pro 3, AC charging cable, two grip protectors, quick-start guide, safety instructions and warranty card

Similarities

  • Both have 4 AC outlets.
  • Both use DC5521 (DC / vehicle outputs).
  • Same power station type: heavy-duty portable / home-backup power station.
  • Both are made by EcoFlow.

In summary

Get the EcoFlow DELTA Pro 3 if you want a larger 4,096 Wh battery and more solar input, or the EcoFlow DELTA Pro if you would rather have more USB outputs and a lighter build.

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In-stock alternatives

EcoFlow DELTA 3 Plus Portable Power StationFor EcoFlow DELTA Pro Portable Power StationEcoFlow DELTA 3 Plus Portable Power StationView product ↗EcoFlow DELTA 3 2000 AirFor EcoFlow DELTA Pro Portable Power StationEcoFlow DELTA 3 2000 AirView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow DELTA Pro 3 Portable Power StationEcoFlow DELTA 3 Portable Power StationView product ↗

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