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Power station comparison

EcoFlow RIVER 3 Max vs EcoFlow RIVER 3 Max Plus

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
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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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2 spaces available

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
Powerology 700w Smart Power GeneratorKSh 65,000
2 of 4 products

Our quick verdict

The EcoFlow RIVER 3 Max Plus has a larger 858 Wh battery, while the EcoFlow RIVER 3 Max costs KSh 17,100 less.

Key differences

The main differences to help you choose.

EcoFlow RIVER 3 Max

  • Lower price: KSh 66,700 (vs KSh 83,800).

EcoFlow RIVER 3 Max Plus

  • Larger battery: 858 Wh (vs 572 Wh), station + EB600.

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 RIVER 3 Max Plus
Stored energy572Wh (station + EB300)858Wh (station + EB600)
Output power600 W continuous AC output600 W continuous AC output
ChargingInput: 650W maximum with connected extra batteryInput: 650W maximum with connected extra battery
Ports3× UK AC outlets, 600W combined3× UK AC outlets, 600W 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 RIVER 3 Max Plus
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow RIVER 3 Max Plus
Brand / ModelEcoFlow RIVER 3 Max; EF-RV-H02-1 + EB300EcoFlow RIVER 3 Max Plus; EF-RV-H02-1 + EB600
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: 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 capacity (0.5C charge/discharge, 25°C)Chemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity (0.5C charge/discharge, 25°C)

AC Power

AC Power specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow RIVER 3 Max Plus
AC Output / SurgeContinuous: 600W Surge: 1200WContinuous: 600W Surge: 1200W
High-Power ModeX-Boost: compatible resistive appliances up to 1200WX-Boost: compatible resistive appliances up to 1200W
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 RIVER 3 Max Plus
AC Outlets3× UK AC outlets; 600W combined3× UK AC outlets; 600W 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 140WStation: 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: 12.6V / 10A, 126WCar socket: 12.6V / 10A, 126W
Other OutputsUSB-B HID communication port for PC / NAS backup managementUSB-B HID communication port for PC / NAS backup management

Charging

Charging specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow RIVER 3 Max Plus
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: 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: 220W maximum Voltage: 11–55V Current: 13A maximumPower: 220W maximum Voltage: 11–55V Current: 13A maximum
Vehicle / Alternator Charging12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum
Other / Combined ChargingExtra battery: bidirectional USB-C input up to 140WExtra battery: bidirectional USB-C input up to 140W

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow RIVER 3 Max Plus
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 managementWire-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 RIVER 3 Max Plus
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; charging limits; charging schedules; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow RIVER 3 MaxEcoFlow RIVER 3 Max Plus
Dimensions / WeightRIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB300: 234 × 224 × 110 mm; 3.5 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 Warranty: 5-year UK manufacturer warrantyPortability: Carry handle; LED light Warranty: 5-year UK manufacturer warranty
In the BoxRIVER 3 Plus, EB300 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentationRIVER 3 Plus, EB600 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentation

Similarities

  • Both deliver 600 W continuous output.
  • Both accept up to 220 W of solar power.
  • Both recharge in about 1 hour.
  • Both are rated for 3,000 charge cycles.
  • Both have 3 AC outlets.
  • Both have 3 USB outputs.

In summary

For most buyers the EcoFlow RIVER 3 Max Plus is the better buy; the EcoFlow RIVER 3 Max makes sense if price matters most, as it costs less.

Back to compared products ↑

In-stock alternatives

EcoFlow DELTA 2 Black E980 Portable Power StationFor EcoFlow RIVER 3 MaxEcoFlow DELTA 2 Black E980 Portable Power StationView product ↗EcoFlow Delta 2 Portable Power StationFor EcoFlow RIVER 3 MaxEcoFlow Delta 2 Portable Power StationView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow RIVER 3 Max PlusEcoFlow DELTA 3 Portable Power StationView product ↗

Related comparisons

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