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EcoFlow DELTA Pro 3 Portable Power Station

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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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Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
BrandEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
Brand / ModelEcoFlow DELTA Pro 3; EFD521
Power Station TypeHeavy-duty portable / home-backup power station
Battery Capacity / ExpansionBase capacity: 4096Wh Expansion: Up to two DELTA Pro 3 Smart Extra Batteries; up to 12288Wh per station
Battery / Cycle LifeChemistry: 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 3 Portable Power Station
AC Output / SurgeContinuous: 4000W Surge: 8000W
High-Power ModeX-Boost: compatible resistive appliances up to 6000W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
AC Outlets4× UK Type G outlets (13A each); 1× CEE outlet (16A); 4000W combined
USB Outputs2× USB-A 18W; 2× USB-C 100W
DC / Vehicle OutputsDC5521: 12.6V / 5A maximum; Anderson: 12.6V / 30A maximum; 378W combined DC output
Other OutputsProprietary AC power input/output and extra-battery ports

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
AC ChargingInput: 2900W maximum; 220–240V / 12.5A, 50Hz / 60Hz Recharge: 0–80% in approximately 1 hour
Solar ChargingPower: 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 ChargingLow-PV input: 12V / 8A vehicle charging; 48V / 20A supported
Other / Combined ChargingMethods: Optional compatible EcoFlow Smart Generator; multiple charging inputs

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
UPS / BackupUps: Yes Transfer time: 10ms Pass through: Yes
Home Backup / ExpansionUp to two compatible extra batteries; optional UK home transfer-switch integration

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow 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°C IP rating: IP65 internal battery pack
Connectivity / Smart FeaturesWi-Fi 4; Bluetooth 5; EcoFlow app; CAN (RJ45); backup reserve; charging limits

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power Station
Dimensions / WeightDimensions: 693 × 341 × 410 mm Weight: 51.5 kg
Portability / Noise / WarrantyPortability: Wheels; telescopic handle Warranty: 5-year UK manufacturer warranty
In the BoxDELTA Pro 3, AC charging cable, two grip protectors, quick-start guide, safety instructions and warranty card

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