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EcoFlow · Portable power station

EcoFlow RIVER 2 Max 500

Current model

EcoFlow RIVER 2 Max 500: 499 Wh, 500 W continuous AC output. Check charging, ports and compatible gear below.

Capacity
499 Wh
Continuous AC
500 W
Solar input
up to 220 W
309 USD

Selected configuration: RIVER 2 Max 500

Exact model / SKU

ZMR610-B-US-499WH · 40956039004233

Check current USD price and availability at EcoFlow. Merchant checkout confirms the selected configuration.

Seller prices, financing, promotions, shipping and returns are set by the merchant. Manufacturer warranties follow the exact product and purchase terms.

Facts reviewed 2026-09-24

Information still to verify
  • A matched manual or download has not yet been verified for this market.
  • The complete box contents for the selected configuration have not yet been verified. Confirm included cables and adapters with the seller.
  • Warranty duration and regional purchase conditions have not yet been verified. Check the manufacturer’s terms for the selected seller and market.

Heeler RV may earn a commission from qualifying purchases through marked seller links. As an Amazon Associate I earn from qualifying purchases.

Full Specs

Specifications apply to the stated market and configuration. Expanded-system figures require the named additional equipment.

Capacity
499 Wh standalone stationEcoFlow RIVER 2 Max 500 US exact specification
Continuous AC output
500 W standalone stationEcoFlow RIVER 2 Max 500 US exact specification
Maximum AC input
660 W standalone stationEcoFlow RIVER 2 Max 500 US
Maximum solar input
220 W standalone stationEcoFlow RIVER 2 Max 500 US
Battery
Capacity
499WhEcoFlow source ↗ · reviewed 2026-09-24
Cell Chemistry
LFPEcoFlow source ↗ · reviewed 2026-09-24
Cycle Life
80%+ capacity after 3000 cyclesEcoFlow source ↗ · reviewed 2026-09-24
Outputs
AC Output
120V 50Hz/60Hz, 500W (Surge 1000W)EcoFlow source ↗ · reviewed 2026-09-24
DC5521 Output
13.6V, 3A, 36W MaxEcoFlow source ↗ · reviewed 2026-09-24
DC Output
12.6V, 10A/3A/3A, 126W MaxEcoFlow source ↗ · reviewed 2026-09-24
USB-A Output
5V, 2.4A, 12W MaxEcoFlow source ↗ · reviewed 2026-09-24
Charging
AC Input
100-120V 50Hz/60Hz, 660W MaxEcoFlow source ↗ · reviewed 2026-09-24
Car Input
12V/24V, 8A, 100W MaxEcoFlow source ↗ · reviewed 2026-09-24
Solar Input
11-50V, 13A, 220W MaxEcoFlow source ↗ · reviewed 2026-09-24
USB-C Input/Output
5/9/12/15/20V, 5A, 100W MaxEcoFlow source ↗ · reviewed 2026-09-24
Dimensions & operation
App Control
Wi-Fi, BluetoothEcoFlow source ↗ · reviewed 2026-09-24
Charge Temperature
32°F to 113°FEcoFlow source ↗ · reviewed 2026-09-24
Dimensions
10.6 x 10.2 x 7.7inchesEcoFlow source ↗ · reviewed 2026-09-24
Discharge Temperature
14°F to 113°FEcoFlow source ↗ · reviewed 2026-09-24
Net Weight
13.2lbsEcoFlow source ↗ · reviewed 2026-09-24
Optimal Operating Temperature
68°F to 86°FEcoFlow source ↗ · reviewed 2026-09-24
Storage Temperature
14°F to 113°F (68°F to 86°F is best)EcoFlow source ↗ · reviewed 2026-09-24

Typical uses for this unit

  • A small laptop charger rated at 65 W is below the published continuous AC output. Check the charger label and count other loads.
  • A 100 W light or device load is below the published continuous output. Available runtime depends on usable battery energy and conversion losses.
  • A small appliance with a running draw below 500 W may fit the continuous output; compressor and motor startup still require a separate surge check.

These are examples, not a runtime promise or a connection approval. Fit My Needs checks your actual appliances with the existing calculator.

Verified compatible accessories

Alternative models

Larger and smaller units are separate models. Compare their own specifications and connections.