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Power station comparison

Anker 535 vs EcoFlow RIVER 3 Max Plus

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 3 Max Plus

EcoFlow RIVER 3 Max Plus

  • 600 W continuous AC output.
  • Base capacity: 858Wh (station + EB600).
  • Expansion: one compatible EB300 or EB600 extra battery.
  • AC charging: input: 650W maximum with connected extra battery.
  • UPS / backup: ups: Yes.
KSh 83,800In Stock
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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 2 Max Portable Power StationKSh 49,500
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 3 Max Plus is the better buy: it has a larger 858 Wh battery, more output power (600 W continuous) and a higher 1,200 W surge rating.

Output power

Anker 535 Portable Power Station
500 W continuous AC output
EcoFlow RIVER 3 Max Plus
600 W continuous AC output

Stored energy

Anker 535 Portable Power Station
512 Wh base battery capacity
EcoFlow RIVER 3 Max Plus
858Wh (station + EB600)

Charging

Anker 535 Portable Power Station
120W via supplied AC adapter
EcoFlow RIVER 3 Max Plus
650W maximum with connected extra battery

Ports

Anker 535 Portable Power Station
2× UK AC outlets, 500W combined
EcoFlow RIVER 3 Max Plus
3× UK AC outlets, 600W combined

Features

Anker 535 Portable Power Station
Pass through: Yes
EcoFlow RIVER 3 Max Plus
UPS: Yes, transfer time: <10ms

Key differences

The main differences to help you choose.

Anker 535 Portable Power Station

  • Weighs 7.6 kg.

EcoFlow RIVER 3 Max Plus

  • Larger battery: 858 Wh (vs 512 Wh), station + EB600.
  • More continuous output: 600 W (vs 500 W).
  • Higher surge power: 1,200 W (vs 750 W).
  • Faster mains recharging: 650 W input (vs 120 W), with connected extra battery.
  • Accepts more solar power: 220 W (vs 120 W).
  • More AC outlets: 3 (vs 2).

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
PriorityAnker 535 Portable Power StationEcoFlow RIVER 3 Max Plus
Stored energy512 Wh base battery capacity858Wh (station + EB600)
Output power500 W continuous AC output600 W continuous AC output
ChargingInput: 120W via supplied AC adapterInput: 650W maximum with connected extra battery
Ports2× UK AC outlets, 500W combined3× UK AC outlets, 600W combined
FeaturesPass through: YesUPS: Yes, transfer time: <10ms

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
BrandAnkerEcoFlow

Power Station

Power Station specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
Brand / ModelAnker 535 Portable Power Station; A1751 / UK A1751211EcoFlow RIVER 3 Max Plus; EF-RV-H02-1 + EB600
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 512WhBase capacity: 858Wh (station + EB600) Expansion: One compatible EB300 or EB600 extra battery; up to 858Wh
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacityChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity (0.5C charge/discharge, 25°C)

AC Power

AC Power specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
AC Output / SurgeContinuous: 500W Surge: 750WContinuous: 600W Surge: 1200W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz Region: UKVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK
High-Power Mode—X-Boost: compatible resistive appliances up to 1200W

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
AC Outlets2× UK AC outlets; 500W combined3× UK AC outlets; 600W combined
USB Outputs3× USB-A 12W; 1× bidirectional USB-C 60WStation: 2× USB-A 12W per port, 24W total; 1× USB-C 100W, PD 3.0 / QC 3.0; extra battery: 1× bidirectional USB-C 140W
DC / Vehicle OutputsCar socket: 12V / 10ACar socket: 12.6V / 10A, 126W
Other Outputs—USB-B HID communication port for PC / NAS backup management

Charging

Charging specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
AC ChargingInput: 120W via supplied AC adapterInput: 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 maximum
Solar ChargingPower: 120W maximum Voltage: 11–28V Current: 10A maximum Mppt: YesPower: 220W maximum Voltage: 11–55V Current: 13A maximum
Vehicle / Alternator ChargingCar charging through supplied car cable and DC input12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W 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)Extra battery: bidirectional USB-C input up to 140W

Backup Power

Backup Power specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
UPS / BackupPass through: YesUps: Yes Transfer time: <10ms Pass through: Yes
Home Backup / Expansion—Wire-free physical connection to one EB300 or EB600 extra battery; HID backup management

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
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; charging limits; charging schedules; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationAnker 535 Portable Power Station (512Wh, 500W)EcoFlow RIVER 3 Max Plus
Dimensions / WeightDimensions: 291.6 × 251 × 188 mm Weight: 7.6 kgRIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB600: 234 × 224 × 158 mm; 5.8 kg
Portability / Noise / WarrantyPortability: Carry handle; LED light bar Warranty: 5-year UK manufacturer warrantyPortability: Carry handle; LED light Warranty: 5-year UK manufacturer warranty
In the BoxAnker 535, 120W AC adapter, car charging cable and user manualRIVER 3 Plus, EB600 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentation

Similarities

  • Both are rated for 3,000 charge cycles.
  • Both have 3 USB outputs.
  • Same power station type: portable power station.

In summary

The EcoFlow RIVER 3 Max Plus is the better buy for almost everyone, with a larger 858 Wh battery and more output power.

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 Delta 2 Portable Power StationFor EcoFlow RIVER 3 Max PlusEcoFlow Delta 2 Portable Power StationView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow RIVER 3 Max PlusEcoFlow DELTA 3 Portable Power StationView product ↗

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