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EcoFlow · Power station · RIVER 2 Max 500

RIVER 2 Max 500

•499Wh capacity and 500W output. •Provide up to 1.5kWh a day with solar charging. . •Fastest Recharge 0-100% in only 60 min. . •Safest LFP battery provides 10 years of use. . •First power station with a TÜV Rheinland safety certification. . •Lightweight at only 6.1kg. . •X-Boost output to 1000W and run 80% of essential appliances. . •4 ways to charge: AC, car, solar, and USB-C. . . .

500W rated499WhRechargeable batteryListed available
Check EcoFlow price Official listed price $329.00
EcoFlow RIVER 2 Max 500 Portable Power Station
Official product image · EcoFlow

Infographic gallery

Output, stored energy, charging, and portability.

01 · Usable output

500W rated output

Battery500W / 1,000W

The comparison uses EcoFlow’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Listed capacity

499Wh

Published runtime guidance

Runtime depends on stored capacity and connected load

03 · Size & construction

13.2lbs

Listed weight

10.6 x 10.2 x 7.7inches

Dimensions

Battery or engine
LFP battery system
Warranty
See official warranty terms
04 · Charging & continuity

Charging or integration

AC Input: 100-120V 50Hz/60Hz, 660W Max; Solar Input: 11-50V, 13A, 220W Max; Car Input: 12V/24V, 8A, 100W Max; USB-C Input/Output: 5/9/12/15/20V, 5A, 100W Max

Backup transfer

See official product specifications

Noise

Quiet battery operation; fan noise varies by load

Official product gallery

Product views and factory feature graphics.

The current official image set for RIVER 2 Max 500 includes product views, connection diagrams, feature explanations, and compatible system configurations where EcoFlow publishes them.

EcoFlow US Standalone RIVER 2 Max 500 EcoFlow RIVER 2 Max 500 Portable Power Station
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RIVER 2 Max 500 official EcoFlow image 2
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RIVER 2 Max 500 official EcoFlow image 3
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RIVER 2 Max 500 official EcoFlow image 4
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RIVER 2 Max 500 official EcoFlow image 5
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Complete specifications

The complete factory data available for comparison.

These pages retain EcoFlow's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Follow charging, storage, and installation guidance. Whole-home connections and transfer equipment should be installed according to EcoFlow instructions and applicable electrical codes.

Comparison summary

Battery output
500W rated / 1,000W peak or maximum
Stored energy
499Wh
Energy source
Rechargeable battery
Dimensions
10.6 x 10.2 x 7.7inches
Listed weight
13.2lbs
Price and availability
$329.00 official listed price; available from EcoFlow

Factory output & connection specifications

Capacity
499Wh
AC Input
100-120V 50Hz/60Hz, 660W Max
USB-C Input/Output
5/9/12/15/20V, 5A, 100W Max
AC Output
120V 50Hz/60Hz, 500W (Surge 1000W)
DC Output
12.6V, 10A/3A/3A, 126W Max
USB-A Output
5V, 2.4A, 12W Max
DC5521 Output
13.6V, 3A, 36W Max

Factory charging & battery specifications

Solar Input
11-50V, 13A, 220W Max
Car Input
12V/24V, 8A, 100W Max
Cell Chemistry
LFP
Cycle Life
80%+ capacity after 3000 cycles
Discharge Temperature
14°F to 113°F
Charge Temperature
32°F to 113°F

Factory dimensions & operating specifications

Net Weight
13.2lbs
Dimensions
10.6 x 10.2 x 7.7inches
Optimal Operating Temperature
68°F to 86°F
Storage Temperature
14°F to 113°F (68°F to 86°F is best)

Factory ownership, control & protection specifications

App Control
Wi-Fi, Bluetooth

Official feature details

System capability

•Provide up to 1.5kWh a day with solar charging.

Power and expansion

•Fastest Recharge 0-100% in only 60 min.

Charging flexibility

•Safest LFP battery provides 10 years of use.

Battery and durability

•First power station with a TÜV Rheinland safety certification.

Controls and continuity

•X-Boost output to 1000W and run 80% of essential appliances.

Portability detail

•4 ways to charge: AC, car, solar, and USB-C.

Best-fit uses

  • Camping and travel
  • Electronics and small appliances
  • Medical-device continuity planning
  • Short outages

Standout features

  • 500W rated output
  • 1,000W peak or surge output
  • 499Wh listed capacity
  • LFP

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan
Sources: EcoFlow RIVER 2 Max 500EcoFlow productsVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact EcoFlow RIVER 2 Max 500 model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Solar charging equipment

Shop EcoFlow solar panels, charging leads, and adapters intended for its portable-power ecosystem.

Match the connector, solar input voltage, current limit, and maximum input published for RIVER 2 Max 500.
View official accessory options
Verify exact fit

Charging cables and adapters

Find vehicle, wall, USB, and model-specific charging accessories from EcoFlow.

Confirm the exact input port and electrical limits for RIVER 2 Max 500 before ordering.
View official accessory options
Verify exact fit

Case, cart, or protective cover

Protective and mobility accessories can make storage and transport easier.

Check the listed dimensions and model fit for RIVER 2 Max 500; do not block cooling inlets or exhaust fans during operation.
View official accessory options

Manuals & PDFs

Official product materials.

Manuals and document lookupSupport pageSearch EcoFlow support materials using the complete model, item, or serial number.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.