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Portable power station comparison

EcoFlow DELTA Max 1600 vs EcoFlow DELTA Pro 3

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow DELTA Max 1600 Portable Power Station

EcoFlow DELTA Max 1600 Portable Power Station

  • 2000 W continuous AC output.
  • 22,000 g.
  • Base capacity: 1612Wh.
  • Expansion: up to two compatible DELTA Max Smart Extra.
  • AC charging: input: 1600W maximum.
KSh 159,000Out 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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2 spaces available

EcoFlow DELTA 3 2000 AirKSh 100,400
EcoFlow DELTA 3 Portable Power StationKSh 95,000
EcoFlow DELTA 3 Plus Portable Power StationKSh 105,500
Anker SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
EcoFlow DELTA Max 2000 Portable Power StationKSh 169,000
EcoFlow DELTA Pro Portable Power StationKSh 289,000
Anker 757 PowerHouse Portable Power StationKSh 185,000
2 of 4 products

Our quick verdict

The EcoFlow DELTA Pro 3 has a larger 4,096 Wh battery, more output power (4,000 W continuous) and a higher 8,000 W surge rating, while the EcoFlow DELTA Max 1600 has more USB outputs (6) and is lighter (22 kg).

Output power

EcoFlow DELTA Max 1600
2000 W continuous AC output
EcoFlow DELTA Pro 3
4000 W continuous AC output

Weight

EcoFlow DELTA Max 1600
22 kg
EcoFlow DELTA Pro 3
51.5 kg

Stored energy

EcoFlow DELTA Max 1600
1612Wh
EcoFlow DELTA Pro 3
4096Wh

Charging

EcoFlow DELTA Max 1600
1600W maximum
EcoFlow DELTA Pro 3
2900W maximum

Ports

EcoFlow DELTA Max 1600
4× UK AC outlets, 2000W combined
EcoFlow DELTA Pro 3
4× UK Type G outlets (13A each)

Key differences

The main differences to help you choose.

EcoFlow DELTA Max 1600

  • More USB outputs: 6 (vs 4).
  • Lighter: 22 kg (vs 51.5 kg).

EcoFlow DELTA Pro 3

  • Larger battery: 4,096 Wh (vs 1,612 Wh).
  • More continuous output: 4,000 W (vs 2,000 W).
  • Higher surge power: 8,000 W (vs 4,600 W).
  • Faster mains recharging: 2,900 W input (vs 1,600 W).
  • Accepts more solar power: 2,600 W (vs 800 W).
  • Rated for more charge cycles: 4,000 (vs 500).

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 Max 1600EcoFlow DELTA Pro 3
Stored energy1612Wh4096Wh
Output power2000 W continuous AC output4000 W continuous AC output
ChargingInput: 1600W maximumInput: 2900W maximum
Ports4× UK AC outlets, 2000W combined4× UK Type G outlets (13A each)
Weight22 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 Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
Brand / ModelEcoFlow DELTA Max 1600; DELTA Max 1600EcoFlow DELTA Pro 3; EFD521
Power Station TypePortable power stationHeavy-duty portable / home-backup power station
Battery Capacity / ExpansionBase capacity: 1612Wh Expansion: Up to two compatible DELTA Max Smart Extra BatteriesBase capacity: 4096Wh Expansion: Up to two DELTA Pro 3 Smart Extra Batteries; up to 12288Wh per station
Battery / Cycle LifeChemistry: NCM lithium-ion Cycle life: 500 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 Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC Output / SurgeContinuous: 2000W Surge: 4600WContinuous: 4000W Surge: 8000W
High-Power ModeX-Boost: compatible resistive appliances up to 2500WX-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 Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC Outlets4× UK AC outlets; 2000W 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; 126W shared DC outputDC5521: 12.6V / 5A maximum; Anderson: 12.6V / 30A maximum; 378W combined DC output
Other Outputs—Proprietary AC power input/output and extra-battery ports

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
AC ChargingInput: 1600W maximum Recharge: 0–100% in approximately 1.6 hoursInput: 2900W maximum; 220–240V / 12.5A, 50Hz / 60Hz Recharge: 0–80% in approximately 1 hour
Solar ChargingPower: 800W maximum Voltage: 11–100V Current: 13A maximum MPPT: YesPower: 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 maximumLow-PV input: 12V / 8A vehicle charging; 48V / 20A supported
Other / Combined ChargingOptional compatible EcoFlow Smart GeneratorMethods: Optional compatible EcoFlow Smart Generator; multiple charging inputs

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA Max 1600 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 / ExpansionUp to two compatible DELTA Max extra batteriesUp to two compatible extra batteries; optional UK home transfer-switch integration

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow DELTA Max 1600 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: −20–45°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; EcoFlow app; LCD displayWi-Fi 4; Bluetooth 5; EcoFlow app; CAN (RJ45); backup reserve; charging limits

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA Max 1600 Portable Power StationEcoFlow DELTA Pro 3 Portable Power Station
Dimensions / WeightDimensions: 497 × 242 × 305 mm Weight: 22 kgDimensions: 693 × 341 × 410 mm Weight: 51.5 kg
Portability / Noise / WarrantyPortability: Carry handles Warranty: 24-month UK manufacturer warrantyPortability: Wheels; telescopic handle Warranty: 5-year UK manufacturer warranty
In the BoxDELTA Max, AC charging cable, car charging cable, DC5521-to-DC5525 cable, 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).
  • Both are made by EcoFlow.

In summary

For most buyers the EcoFlow DELTA Pro 3 is the better buy; the EcoFlow DELTA Max 1600 makes sense if you want more USB outputs.

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In-stock alternatives

EcoFlow DELTA 3 Plus Portable Power StationFor EcoFlow DELTA Max 1600 Portable Power StationEcoFlow DELTA 3 Plus Portable Power StationView product ↗EcoFlow DELTA 3 2000 AirFor EcoFlow DELTA Max 1600 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 ↗

Related comparisons

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