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Power station comparison

Anker 535 vs EcoFlow RIVER 2 Max

Compare capacity, output, charging and portability.

Compared products
01Selected
Anker 535 Portable Power Station (512Wh, 500W)

Anker 535 Portable Power Station (512Wh, 500W)

  • 512 Wh base battery capacity.
  • 500 W continuous AC output.
  • 7,600 g.
  • AC charging: input: 120W via supplied AC adapter.
  • UPS / backup: pass through: Yes.
KSh 64,530Out 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 Max PlusKSh 83,800
EcoFlow DELTA 2 Black E980 Portable Power StationKSh 61,800
EcoFlow RIVER 3 MaxKSh 66,700
EcoFlow Delta 2 Portable Power StationKSh 83,100
EcoFlow RIVER Pro Portable Power StationKSh 79,000
EcoFlow RIVER 2 Pro Portable Power StationKSh 58,000
Powerology 600w portable generator - (192000mAh)KSh 85,000
2 of 4 products

Our quick verdict

The EcoFlow RIVER 2 Max is the better buy: it has a higher 1,000 W surge rating, faster mains recharging (660 W input) and more solar input (220 W).

Weight

Anker 535 Portable Power Station
7.6 kg
EcoFlow RIVER 2 Max
6.1 kg

Charging

Anker 535 Portable Power Station
120W via supplied AC adapter
EcoFlow RIVER 2 Max
660W maximum, recharge: 0–100% in 60 minutes

Features

Anker 535 Portable Power Station
Pass through: Yes
EcoFlow RIVER 2 Max
Eps: Yes, transfer time: Within 30ms

Key differences

The main differences to help you choose.

Anker 535 Portable Power Station

  • Weighs 7.6 kg.

EcoFlow RIVER 2 Max

  • Higher surge power: 1,000 W (vs 750 W).
  • Faster mains recharging: 660 W input (vs 120 W).
  • Accepts more solar power: 220 W (vs 120 W).
  • Lighter: 6.1 kg (vs 7.6 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
PriorityAnker 535 Portable Power StationEcoFlow RIVER 2 Max
Stored energy512 Wh base battery capacity512 Wh base battery capacity
Output power500 W continuous AC output500 W continuous AC output
ChargingInput: 120W via supplied AC adapterInput: 660W maximum, recharge: 0–100% in 60 minutes
Ports2× UK AC outlets, 500W combined2× UK AC outlets, 500W combined
Weight7.6 kg6.1 kg
FeaturesPass through: YesEps: Yes, transfer time: Within 30ms

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
BrandAnkerEcoFlow

Power Station

Power Station specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
Brand / ModelAnker 535 Portable Power Station; A1751 / UK A1751211EcoFlow RIVER 2 Max; EFR610
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 512WhBase 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
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
AC Output / SurgeContinuous: 500W Surge: 750WContinuous: 500W Surge: 1000W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz Region: UKVoltage: 230V Frequency: 50Hz / 60Hz Inverter: Pure sine wave Region: UK
High-Power Mode—X-Boost: compatible resistive appliances up to 1000W

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
AC Outlets2× UK AC outlets; 500W combined2× UK AC outlets; 500W combined
USB Outputs3× USB-A 12W; 1× bidirectional USB-C 60W3× USB-A 12W; 1× bidirectional USB-C 100W
DC / Vehicle OutputsCar socket: 12V / 10ACar socket: 12.6V / 10A; 2× DC5521: 12.6V / 3A; 126W shared DC output

Charging

Charging specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
AC ChargingInput: 120W via supplied AC adapterInput: 660W maximum Recharge: 0–100% in 60 minutes
Solar ChargingPower: 120W maximum Voltage: 11–28V Current: 10A maximum Mppt: YesPower: 220W maximum Voltage: 11–50V Current: 13A maximum
Vehicle / Alternator ChargingCar charging through supplied car cable and DC input12V / 24V vehicle charging; 8A, 100W maximum
Other / Combined ChargingMethods: USB-C 60W input; supplied AC adapter + optional USB-C charger Maximum combined input: 180W Recharge: 0–80% in under 2.5 hours (AC adapter + USB-C)USB-C input: 100W maximum

Backup Power

Backup Power specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
UPS / BackupPass through: YesEps: Yes Transfer time: Within 30ms Pass through: Yes

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
Battery Management / ProtectionBattery management system; voltage and temperature monitoring; temperature protectionBms: 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 FeaturesLCD: remaining battery, input/output power and estimated runtime; power-saving modeWi-Fi; Bluetooth; EcoFlow app; LCD power and battery display

Physical & Package

Physical & Package specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Max Portable Power Station
Dimensions / WeightDimensions: 291.6 × 251 × 188 mm Weight: 7.6 kgDimensions: 270 × 260 × 196 mm Weight: 6.1 kg
Portability / Noise / WarrantyPortability: Carry handle; LED light bar Warranty: 5-year UK manufacturer warrantyPortability: Integrated carry handle Warranty: 5-year UK manufacturer warranty
In the BoxAnker 535, 120W AC adapter, car charging cable and user manualPower station, AC charging cable, user manual and warranty card

Similarities

  • Both have 512 Wh batteries.
  • Both deliver 500 W continuous output.
  • Both are rated for 3,000 charge cycles.
  • Both have 2 AC outlets.
  • Both have 3 USB outputs.
  • Same power station type: portable power station.

In summary

The EcoFlow RIVER 2 Max is the better buy for almost everyone, with a higher 1,000 W surge rating and faster mains recharging.

Back to compared products ↑

In-stock alternatives

EcoFlow RIVER 3 MaxFor Anker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 MaxView product ↗EcoFlow DELTA 2 Black E980 Portable Power StationFor Anker 535 Portable Power Station (512Wh, 500W)EcoFlow DELTA 2 Black E980 Portable Power StationView product ↗EcoFlow RIVER 3 Plus Portable Power StationFor EcoFlow RIVER 2 Max Portable Power StationEcoFlow RIVER 3 Plus Portable Power StationView product ↗

Related comparisons

Anker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max PlusAnker 535 Portable Power Station (512Wh, 500W)EcoFlow DELTA 2 Black E980 Portable Power StationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 MaxAnker 535 Portable Power Station (512Wh, 500W)EcoFlow Delta 2 Portable Power StationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER Pro Portable Power StationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 2 Pro Portable Power StationAnker 535 Portable Power Station (512Wh, 500W)Powerology 600w portable generator - (192000mAh)Anker 535 Portable Power Station (512Wh, 500W)Powerology 700w Smart Power GeneratorAnker 535 Portable Power Station (512Wh, 500W)Bluetti AC70P Portable Power Station
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