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Power station comparison

EcoFlow DELTA 2 Max vs EcoFlow DELTA 3 2000 Air

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow DELTA 2 Max Portable Power Station

EcoFlow DELTA 2 Max Portable Power Station

  • 2400 W continuous AC output.
  • 23,000 g.
  • Base capacity: 2048Wh.
  • AC charging: input: 2400W maximum.
  • UPS / backup: eps: Yes.
KSh 154,000Out of Stock
02
EcoFlow DELTA 3 2000 Air

EcoFlow DELTA 3 2000 Air

  • 1920 Wh base battery capacity.
  • 1000 W continuous AC output.
  • 17,500 g.
  • AC charging: input: 1000W maximum.
  • UPS / backup: ups: Yes.
KSh 100,400In Stock
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EcoFlow DELTA 3 Portable Power StationKSh 95,000
EcoFlow DELTA Pro 3 Portable Power StationKSh 441,000
EcoFlow DELTA 3 Plus Portable Power StationKSh 105,500
Anker 757 PowerHouse Portable Power StationKSh 185,000
Anker SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
EcoFlow DELTA Max 1600 Portable Power StationKSh 159,000
EcoFlow DELTA Max 2000 Portable Power StationKSh 169,000
2 of 4 products

Our quick verdict

The EcoFlow DELTA 2 Max is the stronger choice: it has more output power (2,400 W continuous), a higher 4,800 W surge rating and faster mains recharging (2,400 W input), while the EcoFlow DELTA 3 2000 Air is lighter (17.5 kg).

Output power

EcoFlow DELTA 2 Max
2400 W continuous AC output
EcoFlow DELTA 3 2000 Air
1000 W continuous AC output

Weight

EcoFlow DELTA 2 Max
23 kg
EcoFlow DELTA 3 2000 Air
17.5 kg

Stored energy

EcoFlow DELTA 2 Max
Base capacity: 2048Wh
EcoFlow DELTA 3 2000 Air
1920 Wh base battery capacity

Charging

EcoFlow DELTA 2 Max
2400W maximum
EcoFlow DELTA 3 2000 Air
1000W maximum

Ports

EcoFlow DELTA 2 Max
4× UK AC outlets, 2400W combined
EcoFlow DELTA 3 2000 Air
2× UK AC outlets, 1000W combined

Key differences

The main differences to help you choose.

EcoFlow DELTA 2 Max

  • More continuous output: 2,400 W (vs 1,000 W).
  • Higher surge power: 4,800 W (vs 2,000 W).
  • Faster mains recharging: 2,400 W input (vs 1,000 W).
  • More AC outlets: 4 (vs 2).
  • More USB outputs: 6 (vs 4).
  • Higher total output: 1,000 W (vs 24 W).

EcoFlow DELTA 3 2000 Air

  • Lighter: 17.5 kg (vs 23 kg).

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 2 MaxEcoFlow DELTA 3 2000 Air
Stored energyBase capacity: 2048Wh1920 Wh base battery capacity
Output power2400 W continuous AC output1000 W continuous AC output
ChargingInput: 2400W maximumInput: 1000W maximum
Ports4× UK AC outlets, 2400W combined2× UK AC outlets, 1000W combined
Weight23 kg17.5 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 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
Brand / ModelEcoFlow DELTA 2 Max; EFD350EcoFlow DELTA 3 2000 Air; EF-DL3-MA
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 2048Wh Expansion: Up to two DELTA 2 Max Smart Extra Batteries Maximum capacity: 6144WhBase capacity: 1920Wh
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacityChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 70% original capacity

AC Power

AC Power specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
AC Output / SurgeContinuous: 2400W Surge: 4800WContinuous: 1000W Surge: 2000W
High-Power ModeX-Boost: compatible resistive appliances up to 3100WX-Boost: compatible resistive appliances up to 1500W
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 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
AC Outlets4× UK AC outlets; 2400W combined2× UK AC outlets; 1000W combined
USB Outputs2× USB-A 12W; 2× USB-A fast charging 18W; 2× USB-C 100W2× USB-A 12W per port, 24W total; 2× USB-C 18W per port, 36W total
DC / Vehicle OutputsCar socket: 12.6V / 10A, 126W; 2× DC5521: 12.6V / 3A, 38W per port; 126W shared DC output—

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
AC ChargingInput: 2400W maximum Recharge: 0–80% in approximately 53 minutesInput: 1000W maximum Recharge: 0–100% in approximately 2.3 hours
Solar ChargingPower: 1000W total; two independent 500W inputs Voltage: 11–60V per input Current: 15A maximum per input Mppt: Dual MPPTPower: 1000W total; two 500W inputs Voltage: 12–60V per input Current: 15A maximum per input
Vehicle / Alternator Charging12V / 24V vehicle charging; 8A maximum12–48V vehicle charging; 8A, 384W maximum
Other / Combined ChargingMethods: AC + solar; optional compatible EcoFlow Smart Generator Maximum combined input: 2400W (1800W AC + 600W solar) Recharge: 0–80% in approximately 43 minutes with 1800W AC + 600W solar—

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
UPS / BackupEps: Yes Transfer time: Within 30ms Pass through: YesUps: Yes Transfer time: <10ms Pass through: Yes
Home Backup / ExpansionUp to two compatible DELTA 2 Max Smart Extra Batteries—

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
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
Connectivity / Smart FeaturesWi-Fi; Bluetooth; EcoFlow app; LCD displayWi-Fi; Bluetooth; EcoFlow app; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 Air
Dimensions / WeightDimensions: 497 × 242 × 305 mm Weight: 23 kgDimensions: 220 × 223 × 426 mm Weight: 17.5 kg
Portability / Noise / WarrantyPortability: Carry handles Warranty: 5-year UK manufacturer warrantyPortability: Carry handle
In the BoxPower station, AC charging cable, user manual and warranty cardPower station, AC charging cable, user manual and warranty card

Similarities

  • Both accept up to 1,000 W of solar power.
  • Both are rated for 3,000 charge cycles.
  • Both are made by EcoFlow.

In summary

For most buyers the EcoFlow DELTA 2 Max is the better buy; the EcoFlow DELTA 3 2000 Air makes sense if you want a lighter build.

Back to compared products ↑

In-stock alternatives

EcoFlow DELTA 3 Plus Portable Power StationFor EcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 Plus Portable Power StationView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 Portable Power StationView product ↗EcoFlow RIVER 3 Max PlusFor EcoFlow DELTA 3 2000 AirEcoFlow RIVER 3 Max PlusView product ↗

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