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Portable power station comparison

EcoFlow RIVER Pro vs EcoFlow Delta 2

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow RIVER Pro Portable Power Station

EcoFlow RIVER Pro Portable Power Station

  • 600 W continuous AC output.
  • 7,600 g.
  • Base capacity: 720Wh.
  • Expansion: one RIVER Pro Extra Battery.
  • AC charging: input: 660W maximum.
KSh 79,000Out of Stock
02
EcoFlow Delta 2 Portable Power Station

EcoFlow Delta 2 Portable Power Station

  • 1800 W continuous AC output.
  • 12,000 g.
  • Base capacity: 1024Wh.
  • Expansion: one compatible DELTA 2.
  • AC charging: input: 1200W maximum.
KSh 83,100In Stock
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2 spaces available

EcoFlow RIVER 3 Max PlusKSh 83,800
EcoFlow DELTA 3 2000 AirKSh 100,400
EcoFlow DELTA 3 Portable Power StationKSh 95,000
EcoFlow DELTA 2 Black E980 Portable Power StationKSh 61,800
EcoFlow RIVER 3 MaxKSh 66,700
EcoFlow DELTA 3 Plus Portable Power StationKSh 105,500
Anker 535 Portable Power Station (512Wh, 500W)KSh 64,530
2 of 4 products

Our quick verdict

The EcoFlow Delta 2 is the stronger choice: it has a larger 1,024 Wh battery, more output power (1,800 W continuous) and a higher 2,700 W surge rating, while the EcoFlow RIVER Pro is lighter (7.6 kg).

Output power

EcoFlow RIVER Pro
600 W continuous AC output
EcoFlow Delta 2
1800 W continuous AC output

Weight

EcoFlow RIVER Pro
7.6 kg
EcoFlow Delta 2
12 kg

Stored energy

EcoFlow RIVER Pro
720Wh
EcoFlow Delta 2
1024Wh

Charging

EcoFlow RIVER Pro
660W maximum
EcoFlow Delta 2
1200W maximum, recharge: 0–80% in 50 minutes

Ports

EcoFlow RIVER Pro
2× UK AC outlets, 600W combined
EcoFlow Delta 2
4× UK AC outlets, 1800W combined

Key differences

The main differences to help you choose.

EcoFlow RIVER Pro

  • Lighter: 7.6 kg (vs 12 kg).

EcoFlow Delta 2

  • Larger battery: 1,024 Wh (vs 720 Wh).
  • More continuous output: 1,800 W (vs 600 W).
  • Higher surge power: 2,700 W (vs 1,200 W).
  • Faster mains recharging: 1,200 W input (vs 660 W).
  • Accepts more solar power: 500 W (vs 200 W).
  • Rated for more charge cycles: 3,000 (vs 800).

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 RIVER ProEcoFlow Delta 2
Stored energy720Wh1024Wh
Output power600 W continuous AC output1800 W continuous AC output
ChargingInput: 660W maximumInput: 1200W maximum, recharge: 0–80% in 50 minutes
Ports2× UK AC outlets, 600W combined4× UK AC outlets, 1800W combined
Weight7.6 kg12 kg
ExpansionOne RIVER Pro Extra BatteryOne compatible DELTA 2, DELTA Max or DELTA 2 Max Smart Extra Battery

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
Brand / ModelEcoFlow RIVER Pro; RIVER Pro (original 720Wh)EcoFlow DELTA 2; DELTA 2
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 720Wh Expansion: One RIVER Pro Extra Battery; up to 1440WhBase capacity: 1024Wh Expansion: One compatible DELTA 2, DELTA Max or DELTA 2 Max Smart Extra Battery
Battery / Cycle LifeChemistry: Lithium-ion Cycle life: 800 cycles to 80%+ original capacityChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity

AC Power

AC Power specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
AC Output / SurgeContinuous: 600W Surge: 1200WContinuous: 1800W Surge: 2700W
High-Power ModeX-Boost: compatible resistive appliances up to 1800WX-Boost: compatible resistive appliances up to 2400W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz / 60Hz Inverter: Pure sine wave Region: UKVoltage: 230V Frequency: 50Hz / 60Hz Inverter: Pure sine wave Region: UK

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
AC Outlets2× UK AC outlets; 600W combined4× UK AC outlets; 1800W combined
USB Outputs2× USB-A 12W; 1× USB-A fast charging 18W; 1× USB-C 100W2× USB-A 12W per port, 24W total; 2× USB-A fast charging 18W per port, 36W total; 2× USB-C 100W per port, 200W total
DC / Vehicle OutputsCar socket: 13.6V / 10A; 2× DC5521: 13.6V / 3A; 136W shared DC outputCar socket: 12.6V / 10A, 126W; 2× DC5521: 12.6V / 3A, 38W per port; 126W shared DC output

Charging

Charging specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
AC ChargingInput: 660W maximumInput: 1200W maximum Recharge: 0–80% in 50 minutes
Solar ChargingPower: 200W maximum Voltage: 10–25V Current: 12A maximumPower: 500W maximum Voltage: 11–60V Current: 15A maximum MPPT: Yes
Vehicle / Alternator Charging12V vehicle battery charging; 8A maximum12V / 24V vehicle charging; 8A maximum
Other / Combined Charging—Optional compatible EcoFlow Smart Generator

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
UPS / BackupEps: Yes Transfer time: Within 30ms Pass through: YesEps: Yes Transfer time: Within 30ms Pass through: Yes
Home Backup / ExpansionOne compatible RIVER Pro Extra BatteryOne compatible extra battery; expandable home backup

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 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
Connectivity / Smart FeaturesWi-Fi; EcoFlow app; LCD displayWi-Fi; Bluetooth; EcoFlow app; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow RIVER Pro Portable Power StationEcoFlow Delta 2 Portable Power Station
Dimensions / WeightDimensions: 289 × 180 × 235 mm Weight: 7.6 kgDimensions: 400 × 211 × 281 mm Weight: 12 kg
Portability / Noise / WarrantyPortability: Integrated carry handle Warranty: 24-month UK manufacturer warrantyPortability: Carry handles Warranty: 5-year UK manufacturer warranty
In the BoxRIVER Pro, AC charging cable (1.5m), car charging cable (1.5m), DC5521-to-DC5525 cable, user manual and warranty cardPower station, AC charging cable, user manual and warranty card

Similarities

  • Both use DC5521 (DC / vehicle outputs).
  • Same power station type: portable power station.
  • Same UPS / backup: eps: Yes.
  • Both are made by EcoFlow.

In summary

For most buyers the EcoFlow Delta 2 is the better buy; the EcoFlow RIVER Pro makes sense if you want a lighter build.

Back to compared products ↑

In-stock alternatives

EcoFlow RIVER 3 Max PlusFor EcoFlow RIVER Pro Portable Power StationEcoFlow RIVER 3 Max PlusView product ↗EcoFlow RIVER 3 MaxFor EcoFlow RIVER Pro Portable Power StationEcoFlow RIVER 3 MaxView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow Delta 2 Portable Power StationEcoFlow DELTA 3 Portable Power StationView product ↗EcoFlow DELTA 3 2000 AirFor EcoFlow Delta 2 Portable Power StationEcoFlow DELTA 3 2000 AirView product ↗

Related comparisons

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