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Power station comparison

EcoFlow DELTA 2 Max vs EcoFlow RIVER 3 Max

Compare capacity, output, charging and portability.

Compared products
01Selected
EcoFlow DELTA 2 Max Portable Power Station

EcoFlow DELTA 2 Max Portable Power Station

  • 2400 W continuous AC output.
  • 23,000 g.
  • Base capacity: 2048Wh.
  • AC charging: input: 2400W maximum.
  • UPS / backup: eps: Yes.
KSh 154,000Out of Stock
02
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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EcoFlow DELTA 3 2000 AirKSh 100,400
EcoFlow DELTA 3 Portable Power StationKSh 95,000
EcoFlow DELTA Pro 3 Portable Power StationKSh 441,000
EcoFlow DELTA 3 Plus Portable Power StationKSh 105,500
Anker 757 PowerHouse Portable Power StationKSh 185,000
Anker SOLIX F2000 PowerHouse 767 (2048Wh, 2300W)KSh 216,340
EcoFlow DELTA Max 1600 Portable Power StationKSh 159,000
2 of 4 products

Our quick verdict

The EcoFlow DELTA 2 Max is the better buy: it has a larger 2,048 Wh battery, more output power (2,400 W continuous) and a higher 4,800 W surge rating.

Output power

EcoFlow DELTA 2 Max
2400 W continuous AC output
EcoFlow RIVER 3 Max
600 W continuous AC output

Stored energy

EcoFlow DELTA 2 Max
Base capacity: 2048Wh
EcoFlow RIVER 3 Max
572Wh (station + EB300)

Charging

EcoFlow DELTA 2 Max
2400W maximum
EcoFlow RIVER 3 Max
650W maximum with connected extra battery

Ports

EcoFlow DELTA 2 Max
4× UK AC outlets, 2400W combined
EcoFlow RIVER 3 Max
3× UK AC outlets, 600W combined

Features

EcoFlow DELTA 2 Max
Eps: Yes, transfer time: Within 30ms
EcoFlow RIVER 3 Max
UPS: Yes, transfer time: <10ms

Key differences

The main differences to help you choose.

EcoFlow DELTA 2 Max

  • Larger battery: 2,048 Wh (vs 572 Wh).
  • More continuous output: 2,400 W (vs 600 W).
  • Higher surge power: 4,800 W (vs 1,200 W).
  • Faster mains recharging: 2,400 W input (vs 650 W).
  • Accepts more solar power: 1,000 W (vs 220 W).
  • More AC outlets: 4 (vs 3).

EcoFlow RIVER 3 Max

  • Also in the box: EB300 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 2 MaxEcoFlow RIVER 3 Max
Stored energyBase capacity: 2048Wh572Wh (station + EB300)
Output power2400 W continuous AC output600 W continuous AC output
ChargingInput: 2400W maximumInput: 650W maximum with connected extra battery
Ports4× UK AC outlets, 2400W combined3× UK AC outlets, 600W combined
FeaturesEps: Yes, transfer time: Within 30msUPS: Yes, transfer time: <10ms
Home backup / expansionUp to two compatible DELTA 2 Max Smart Extra BatteriesWire-free physical connection to one EB300 or EB600 extra battery

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
BrandEcoFlowEcoFlow

Power Station

Power Station specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
Brand / ModelEcoFlow DELTA 2 Max; EFD350EcoFlow RIVER 3 Max; EF-RV-H02-1 + EB300
Power Station TypePortable power stationPortable power station
Battery Capacity / ExpansionBase capacity: 2048Wh Expansion: Up to two DELTA 2 Max Smart Extra Batteries Maximum capacity: 6144WhBase capacity: 572Wh (station + EB300) 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
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
AC Output / SurgeContinuous: 2400W Surge: 4800WContinuous: 600W Surge: 1200W
High-Power ModeX-Boost: compatible resistive appliances up to 3100WX-Boost: compatible resistive appliances up to 1200W
AC Voltage / Frequency / InverterVoltage: 230V Frequency: 50Hz / 60Hz Inverter: Pure sine wave Region: UKVoltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK

Outputs & Ports

Outputs & Ports specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
AC Outlets4× UK AC outlets; 2400W combined3× UK AC outlets; 600W combined
USB Outputs2× USB-A 12W; 2× USB-A fast charging 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 OutputsCar socket: 12.6V / 10A, 126W; 2× DC5521: 12.6V / 3A, 38W per port; 126W shared DC outputCar socket: 12.6V / 10A, 126W
Other Outputs—USB-B HID communication port for PC / NAS backup management

Charging

Charging specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
AC ChargingInput: 2400W maximum Recharge: 0–80% in approximately 53 minutesInput: 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: 1000W total; two independent 500W inputs Voltage: 11–60V per input Current: 15A maximum per input Mppt: Dual MPPTPower: 220W maximum Voltage: 11–55V Current: 13A maximum
Vehicle / Alternator Charging12V / 24V vehicle charging; 8A maximum12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum
Other / Combined ChargingMethods: AC + solar; optional compatible EcoFlow Smart Generator Maximum combined input: 2400W (1800W AC + 600W solar) Recharge: 0–80% in approximately 43 minutes with 1800W AC + 600W solarExtra battery: bidirectional USB-C input up to 140W

Backup Power

Backup Power specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
UPS / BackupEps: Yes Transfer time: Within 30ms Pass through: YesUps: Yes Transfer time: <10ms Pass through: Yes
Home Backup / ExpansionUp to two compatible DELTA 2 Max Smart Extra BatteriesWire-free physical connection to one EB300 or EB600 extra battery; HID backup management

Protection & Smart Features

Protection & Smart Features specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
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 displayWi-Fi; Bluetooth; EcoFlow app; charging limits; charging schedules; LCD display

Physical & Package

Physical & Package specifications comparison
SpecificationEcoFlow DELTA 2 Max Portable Power StationEcoFlow RIVER 3 Max
Dimensions / WeightDimensions: 497 × 242 × 305 mm Weight: 23 kgRIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB300: 234 × 224 × 110 mm; 3.5 kg
Portability / Noise / WarrantyPortability: Carry handles Warranty: 5-year UK manufacturer warrantyPortability: Carry handle; LED light Warranty: 5-year UK manufacturer warranty
In the BoxPower station, AC charging cable, user manual and warranty cardRIVER 3 Plus, EB300 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.
  • Same power station type: portable power station.
  • Both are made by EcoFlow.

In summary

The EcoFlow DELTA 2 Max is the better buy for almost everyone, with a larger 2,048 Wh battery and more output power.

Back to compared products ↑

In-stock alternatives

EcoFlow DELTA 3 Plus Portable Power StationFor EcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 Plus Portable Power StationView product ↗EcoFlow DELTA 3 2000 AirFor EcoFlow DELTA 2 Max Portable Power StationEcoFlow DELTA 3 2000 AirView product ↗

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