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Power station comparison

EcoFlow RIVER 3 Max vs EcoFlow DELTA 3 2000 Air

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow RIVER 3 Max

EcoFlow RIVER 3 Max

  • 600 W continuous AC output.
  • Base capacity: 572Wh (station + EB300).
  • Expansion: one compatible EB300 or EB600 extra battery.
  • AC charging: input: 650W maximum with connected extra battery.
  • UPS / backup: ups: Yes.
KSh 66,700In 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

Add to comparison

2 spaces available

EcoFlow RIVER 3 Max PlusKSh 83,800
Anker 535 Portable Power Station (512Wh, 500W)KSh 64,530
EcoFlow RIVER 2 Max Portable Power StationKSh 49,500
EcoFlow RIVER Pro Portable Power StationKSh 79,000
EcoFlow RIVER 2 Pro Portable Power StationKSh 58,000
EcoFlow Delta 2 Portable Power StationKSh 83,100
Powerology 600w portable generator - (192000mAh)KSh 85,000
2 of 4 products

Our quick verdict

The EcoFlow DELTA 3 2000 Air has a larger 1,920 Wh battery, more output power (1,000 W continuous) and a higher 2,000 W surge rating, while the EcoFlow RIVER 3 Max has faster recharging (1 hour) and more AC outlets (3).

Output power

EcoFlow RIVER 3 Max
600 W continuous AC output
EcoFlow DELTA 3 2000 Air
1000 W continuous AC output

Stored energy

EcoFlow RIVER 3 Max
572Wh (station + EB300)
EcoFlow DELTA 3 2000 Air
1920 Wh base battery capacity

Charging

EcoFlow RIVER 3 Max
650W maximum with connected extra battery
EcoFlow DELTA 3 2000 Air
1000W maximum

Ports

EcoFlow RIVER 3 Max
3× UK AC outlets, 600W combined
EcoFlow DELTA 3 2000 Air
2× UK AC outlets, 1000W combined

Key differences

The main differences to help you choose.

EcoFlow RIVER 3 Max

  • Recharges faster: 1 hour (vs 2.3 hours), with connected extra battery.
  • More AC outlets: 3 (vs 2).
  • Lower price: KSh 66,700 (vs KSh 100,400).

EcoFlow DELTA 3 2000 Air

  • Larger battery: 1,920 Wh (vs 572 Wh).
  • More continuous output: 1,000 W (vs 600 W).
  • Higher surge power: 2,000 W (vs 1,200 W).
  • Faster mains recharging: 1,000 W input (vs 650 W).
  • Accepts more solar power: 1,000 W (vs 220 W).
  • More USB outputs: 4 (vs 3).

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.

5 priorities selected.
How each product answers the selected priorities
PriorityEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
Stored energy572Wh (station + EB300)1920 Wh base battery capacity
Output power600 W continuous AC output1000 W continuous AC output
ChargingInput: 650W maximum with connected extra batteryInput: 1000W maximum
Ports3× UK AC outlets, 600W combined2× UK AC outlets, 1000W combined
FeaturesUPS: Yes, transfer time: <10msUPS: Yes, transfer time: <10ms

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
Brand / ModelEcoFlow RIVER 3 Max; EF-RV-H02-1 + EB300EcoFlow DELTA 3 2000 Air; EF-DL3-MA
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 572Wh (station + EB300) Expansion: One compatible EB300 or EB600 extra battery; up to 858WhBase capacity: 1920Wh
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity (0.5C charge/discharge, 25°C)Chemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 70% original capacity

AC Power

AC Power specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
AC Output / SurgeContinuous: 600W Surge: 1200WContinuous: 1000W Surge: 2000W
High-Power ModeX-Boost: compatible resistive appliances up to 1200WX-Boost: compatible resistive appliances up to 1500W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UKVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
AC Outlets3× UK AC outlets; 600W combined2× UK AC outlets; 1000W combined
USB OutputsStation: 2× USB-A 12W per port, 24W total; 1× USB-C 100W, PD 3.0 / QC 3.0; extra battery: 1× bidirectional USB-C 140W2× USB-A 12W per port, 24W total; 2× USB-C 18W per port, 36W total
DC / Vehicle OutputsCar socket: 12.6V / 10A, 126W—
Other OutputsUSB-B HID communication port for PC / NAS backup management—

Charging

Charging specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
AC ChargingInput: 650W maximum with connected extra battery; station alone: 360W (UK) Recharge: Station alone: 0–100% in 60 minutes Voltage / frequency: 220–240V, 50Hz / 60Hz; 6A maximumInput: 1000W maximum Recharge: 0–100% in approximately 2.3 hours
Solar ChargingPower: 220W maximum Voltage: 11–55V Current: 13A maximumPower: 1000W total; two 500W inputs Voltage: 12–60V per input Current: 15A maximum per input
Vehicle / Alternator Charging12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum12–48V vehicle charging; 8A, 384W maximum
Other / Combined ChargingExtra battery: bidirectional USB-C input up to 140W—

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
UPS / BackupUps: Yes Transfer time: <10ms Pass through: YesUps: Yes Transfer time: <10ms Pass through: Yes
Home Backup / ExpansionWire-free physical connection to one EB300 or EB600 extra battery; HID backup management—

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow 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; charging limits; charging schedules; LCD displayWi-Fi; Bluetooth; EcoFlow app; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow DELTA 3 2000 Air
Dimensions / WeightRIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB300: 234 × 224 × 110 mm; 3.5 kgDimensions: 220 × 223 × 426 mm Weight: 17.5 kg
Portability / Noise / WarrantyPortability: Carry handle; LED light Warranty: 5-year UK manufacturer warrantyPortability: Carry handle
In the BoxRIVER 3 Plus, EB300 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentationPower station, AC charging cable, user manual and warranty card

Similarities

  • Both are rated for 3,000 charge cycles.
  • Both deliver up to 24 W in total.
  • Same power station type: portable power station.
  • Same AC voltage / frequency / inverter: voltage: 230V.
  • Same UPS / backup: ups: Yes.
  • Both are made by EcoFlow.

In summary

For most buyers the EcoFlow DELTA 3 2000 Air is the better buy; the EcoFlow RIVER 3 Max makes sense if you want faster recharging.

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