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Portable power station comparison

EcoFlow RIVER 2 vs EcoFlow RIVER 2 Max

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow RIVER 2 Portable Power Station

EcoFlow RIVER 2 Portable Power Station

  • 256 Wh base battery capacity.
  • 300 W continuous AC output.
  • 3,500 g.
  • AC charging: input: 360W maximum.
  • UPS / backup: eps: Yes.
KSh 28,000Out of Stock
02
EcoFlow RIVER 2 Max Portable Power Station

EcoFlow RIVER 2 Max Portable Power Station

  • 512 Wh base battery capacity.
  • 500 W continuous AC output.
  • 6,100 g.
  • AC charging: input: 660W maximum.
  • UPS / backup: eps: Yes.
KSh 49,500In Stock
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EcoFlow RIVER 3 Plus Portable Power StationKSh 41,600
EcoFlow RIVER 3 Portable Power StationKSh 34,300
EcoFlow RIVER 2 Pro Portable Power StationKSh 58,000
Bluetti AC2P Portable Power StationKSh 19,500
Bluetti AC50P Portable Power StationKSh 31,000
Anker 535 Portable Power Station (512Wh, 500W)KSh 64,530
Anker SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
2 of 4 products

Our quick verdict

The EcoFlow RIVER 2 Max is the stronger choice: it has a larger 512 Wh battery, more output power (500 W continuous) and a higher 1,000 W surge rating, while the EcoFlow RIVER 2 is lighter (3.5 kg).

Stored energy

EcoFlow RIVER 2
256 Wh base battery capacity
EcoFlow RIVER 2 Max
512 Wh base battery capacity

Output power

EcoFlow RIVER 2
300 W continuous AC output
EcoFlow RIVER 2 Max
500 W continuous AC output

Weight

EcoFlow RIVER 2
3.5 kg
EcoFlow RIVER 2 Max
6.1 kg

Charging

EcoFlow RIVER 2
360W maximum, recharge: 0–80% in 48 minutes
EcoFlow RIVER 2 Max
660W maximum, recharge: 0–100% in 60 minutes

Ports

EcoFlow RIVER 2
1× UK AC outlets, 300W combined
EcoFlow RIVER 2 Max
2× UK AC outlets, 500W combined

Key differences

The main differences to help you choose.

EcoFlow RIVER 2

  • Lighter: 3.5 kg (vs 6.1 kg).

EcoFlow RIVER 2 Max

  • Larger battery: 512 Wh (vs 256 Wh).
  • More continuous output: 500 W (vs 300 W).
  • Higher surge power: 1,000 W (vs 600 W).
  • Faster mains recharging: 660 W input (vs 360 W).
  • Accepts more solar power: 220 W (vs 110 W).
  • More AC outlets: 2 (vs 1).

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 2EcoFlow RIVER 2 Max
Stored energy256 Wh base battery capacity512 Wh base battery capacity
Output power300 W continuous AC output500 W continuous AC output
ChargingInput: 360W maximum, recharge: 0–80% in 48 minutesInput: 660W maximum, recharge: 0–100% in 60 minutes
Ports1× UK AC outlets, 300W combined2× UK AC outlets, 500W combined
Weight3.5 kg6.1 kg
FeaturesEps: Yes, transfer time: Within 30msEps: Yes, transfer time: Within 30ms

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
Brand / ModelEcoFlow RIVER 2; EFR600EcoFlow RIVER 2 Max; EFR610
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 256WhBase capacity: 512Wh
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacityChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity

AC Power

AC Power specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
AC Output / SurgeContinuous: 300W Surge: 600WContinuous: 500W Surge: 1000W
High-Power ModeX-Boost: compatible resistive appliances up to 600WX-Boost: compatible resistive appliances up to 1000W
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 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
AC Outlets1× UK AC outlets; 300W combined2× UK AC outlets; 500W combined
USB Outputs2× USB-A 12W; 1× bidirectional USB-C 60W3× USB-A 12W; 1× bidirectional USB-C 100W
DC / Vehicle OutputsCar socket: 12.6V / 8A, 100WCar socket: 12.6V / 10A; 2× DC5521: 12.6V / 3A; 126W shared DC output

Charging

Charging specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
AC ChargingInput: 360W maximum Recharge: 0–80% in 48 minutes; 0–100% in 60 minutesInput: 660W maximum Recharge: 0–100% in 60 minutes
Solar ChargingPower: 110W maximum Voltage: 11–30V Current: 8A maximumPower: 220W maximum Voltage: 11–50V Current: 13A maximum
Vehicle / Alternator Charging12V / 24V vehicle charging; 8A, 100W maximum12V / 24V vehicle charging; 8A, 100W maximum
Other / Combined ChargingUSB-C input: 60W maximumUSB-C input: 100W maximum

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
UPS / BackupEps: Yes Transfer time: Within 30ms Pass through: YesEps: Yes Transfer time: Within 30ms Pass through: Yes

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max 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°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 power and battery displayWi-Fi; Bluetooth; EcoFlow app; LCD power and battery display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 2 Max Portable Power Station
Dimensions / WeightDimensions: 245 × 214 × 142 mm Weight: 3.5 kgDimensions: 270 × 260 × 196 mm Weight: 6.1 kg
Portability / Noise / WarrantyPortability: Integrated carry handle Warranty: 5-year UK manufacturer warrantyPortability: Integrated carry handle Warranty: 5-year UK manufacturer warranty
In the BoxPower station, AC charging cable, user manual and warranty cardPower station, AC charging cable, user manual and warranty card

Similarities

  • Both recharge in about 1 hour.
  • Both are rated for 3,000 charge cycles.
  • Same power station type: portable power station.
  • Same vehicle / alternator charging: 12V / 24V vehicle charging.
  • Same UPS / backup: eps: Yes.
  • Both are made by EcoFlow.

In summary

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

Back to compared products ↑

In-stock alternatives

EcoFlow RIVER 3 Portable Power StationFor EcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 3 Portable Power StationView product ↗EcoFlow RIVER 3 Plus Portable Power StationFor EcoFlow RIVER 2 Portable Power StationEcoFlow RIVER 3 Plus Portable Power StationView product ↗EcoFlow DELTA 2 Black E980 Portable Power StationFor EcoFlow RIVER 2 Max Portable Power StationEcoFlow DELTA 2 Black E980 Portable Power StationView product ↗EcoFlow RIVER 3 MaxFor EcoFlow RIVER 2 Max Portable Power StationEcoFlow RIVER 3 MaxView product ↗

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