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Power station comparison

EcoFlow DELTA Pro 3 vs EcoFlow RIVER 3 Max Plus

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow DELTA Pro 3 Portable Power Station

EcoFlow DELTA Pro 3 Portable Power Station

  • 4000 W continuous AC output.
  • 51,500 g.
  • Base capacity: 4096Wh.
  • Expansion: up to two DELTA Pro 3 Smart Extra.
  • AC charging: input: 2900W maximum.
KSh 441,000In 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 SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
EcoFlow DELTA Max 1600 Portable Power StationKSh 159,000
EcoFlow DELTA Max 2000 Portable Power StationKSh 169,000
EcoFlow DELTA Pro Portable Power StationKSh 289,000
Anker 757 PowerHouse Portable Power StationKSh 185,000
EcoFlow DELTA 2 Max Portable Power StationKSh 154,000
Anker 535 Portable Power Station (512Wh, 500W)KSh 64,530
2 of 4 products

Our quick verdict

The EcoFlow DELTA Pro 3 has a larger 4,096 Wh battery, more output power (4,000 W continuous) and a higher 8,000 W surge rating, while the EcoFlow RIVER 3 Max Plus costs KSh 357,200 less.

Output power

EcoFlow DELTA Pro 3
4000 W continuous AC output
EcoFlow RIVER 3 Max Plus
600 W continuous AC output

Stored energy

EcoFlow DELTA Pro 3
4096Wh
EcoFlow RIVER 3 Max Plus
858Wh (station + EB600)

Charging

EcoFlow DELTA Pro 3
2900W maximum
EcoFlow RIVER 3 Max Plus
650W maximum with connected extra battery

Ports

EcoFlow DELTA Pro 3
4× UK Type G outlets (13A each)
EcoFlow RIVER 3 Max Plus
3× UK AC outlets, 600W combined

Features

EcoFlow DELTA Pro 3
UPS: Yes, transfer time: 10ms
EcoFlow RIVER 3 Max Plus
UPS: Yes, transfer time: <10ms

Key differences

The main differences to help you choose.

EcoFlow DELTA Pro 3

  • Larger battery: 4,096 Wh (vs 858 Wh).
  • More continuous output: 4,000 W (vs 600 W).
  • Higher surge power: 8,000 W (vs 1,200 W).
  • Faster mains recharging: 2,900 W input (vs 650 W).
  • Accepts more solar power: 2,600 W (vs 220 W).
  • Rated for more charge cycles: 4,000 (vs 3,000).

EcoFlow RIVER 3 Max Plus

  • Lower price: KSh 83,800 (vs KSh 441,000).
  • Also in the box: EB600 extra battery.

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 DELTA Pro 3EcoFlow RIVER 3 Max Plus
Stored energy4096Wh858Wh (station + EB600)
Output power4000 W continuous AC output600 W continuous AC output
ChargingInput: 2900W maximumInput: 650W maximum with connected extra battery
Ports4× UK Type G outlets (13A each)3× UK AC outlets, 600W combined
FeaturesUPS: Yes, transfer time: 10msUPS: Yes, transfer time: <10ms
ExpansionUp to two DELTA Pro 3 Smart Extra BatteriesOne compatible EB300 or EB600 extra battery

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
Brand / ModelEcoFlow DELTA Pro 3; EFD521EcoFlow RIVER 3 Max Plus; EF-RV-H02-1 + EB600
Power Station TypeHeavy-duty portable / home-backup power stationPortable power station
Battery Capacity / ExpansionBase capacity: 4096Wh Expansion: Up to two DELTA Pro 3 Smart Extra Batteries; up to 12288Wh per stationBase capacity: 858Wh (station + EB600) Expansion: One compatible EB300 or EB600 extra battery; up to 858Wh
Battery / Cycle LifeChemistry: LiFePO₄ (LFP) Cycle life: 4000 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 DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
AC Output / SurgeContinuous: 4000W Surge: 8000WContinuous: 600W Surge: 1200W
High-Power ModeX-Boost: compatible resistive appliances up to 6000WX-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 DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
AC Outlets4× UK Type G outlets (13A each); 1× CEE outlet (16A); 4000W combined3× UK AC outlets; 600W combined
USB Outputs2× USB-A 18W; 2× USB-C 100WStation: 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 OutputsDC5521: 12.6V / 5A maximum; Anderson: 12.6V / 30A maximum; 378W combined DC outputCar socket: 12.6V / 10A, 126W
Other OutputsProprietary AC power input/output and extra-battery portsUSB-B HID communication port for PC / NAS backup management

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
AC ChargingInput: 2900W maximum; 220–240V / 12.5A, 50Hz / 60Hz Recharge: 0–80% in approximately 1 hourInput: 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: 2600W total: high-PV 1600W + low-PV 1000W Voltage: High-PV: 30–150V; low-PV: 11–60V Current: High-PV: 15A; low-PV: 20A Mppt: Dual MPPTPower: 220W maximum Voltage: 11–55V Current: 13A maximum
Vehicle / Alternator ChargingLow-PV input: 12V / 8A vehicle charging; 48V / 20A supported12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum
Other / Combined ChargingMethods: Optional compatible EcoFlow Smart Generator; multiple charging inputsExtra battery: bidirectional USB-C input up to 140W

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
UPS / BackupUps: Yes Transfer time: 10ms Pass through: YesUps: Yes Transfer time: <10ms Pass through: Yes
Home Backup / ExpansionUp to two compatible extra batteries; optional UK home transfer-switch integrationWire-free physical connection to one EB300 or EB600 extra battery; HID backup management

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow 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°C IP rating: IP65 internal battery packBms: 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 4; Bluetooth 5; EcoFlow app; CAN (RJ45); backup reserve; charging limitsWi-Fi; Bluetooth; EcoFlow app; charging limits; charging schedules; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA Pro 3 Portable Power StationEcoFlow RIVER 3 Max Plus
Dimensions / WeightDimensions: 693 × 341 × 410 mm Weight: 51.5 kgRIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB600: 234 × 224 × 158 mm; 5.8 kg
Portability / Noise / WarrantyPortability: Wheels; telescopic handle Warranty: 5-year UK manufacturer warrantyPortability: Carry handle; LED light Warranty: 5-year UK manufacturer warranty
In the BoxDELTA Pro 3, AC charging cable, two grip protectors, quick-start guide, safety instructions and warranty cardRIVER 3 Plus, EB600 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentation

Similarities

  • Same AC voltage / frequency / inverter: voltage: 230V.
  • Both are made by EcoFlow.

In summary

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

Back to compared products ↑

In-stock alternatives

EcoFlow DELTA 3 Plus Portable Power StationFor EcoFlow DELTA Pro 3 Portable Power StationEcoFlow DELTA 3 Plus Portable Power StationView product ↗EcoFlow DELTA 3 2000 AirFor EcoFlow DELTA Pro 3 Portable Power StationEcoFlow DELTA 3 2000 AirView product ↗EcoFlow DELTA 3 Portable Power StationFor EcoFlow RIVER 3 Max PlusEcoFlow DELTA 3 Portable Power StationView product ↗

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