- One-night car camping
- Portable fridge and lighting
- Short router and network backup
PRODUCT REVIEW · OFFICIAL SPECS
EcoFlow
RIVER 2 Max
A 512Wh, 500W, 6.1kg model that adds runtime while remaining easy to move by car.
WATTMATCH SCORE 77 OUT OF 100
Well matched to a one-night fridge, lighting, and laptop kit, but not to kettles or other high-draw appliances.
REAL PRODUCT IMAGE · OFFICIAL STORE ↗CAPACITY512 Wh
RATED OUTPUT500 W
SURGE / LIFT1000 W
WEIGHT6.1 kg
SOLAR INPUT220 W
BATTERYLiFePO₄
WHO IS IT FOR?
Best fit
and caveats
- Continuous loads must stay below 500W
- Heating loads can drain 512Wh quickly
ESTIMATED RUNTIME
How many hours?
Simple estimate: 512Wh × 0.85 ÷ appliance watts. Actual results vary with temperature, cycling, and battery condition.
Car fridge60W assumptionAbout 7.3 hr
Heated blanket80W assumptionAbout 5.4 hr
Laptop65W assumptionAbout 6.7 hr
Projector120W assumptionAbout 3.6 hr
LOCAL PRICE WATCH
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CURRENT DISPLAYED PRICE$399Confirm price and stock at retailer ↗
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This is not a live-price feed or push alert; it records WattMatch's displayed price when visited.STRENGTHS
- + 512Wh battery capacity
- + 500W rated and 1,000W surge output
- + Up to 220W solar input
- + 3,000+ cycle claim
LIMITATIONS
- − 500W is low for cooking and heating
- − Less runtime headroom than 1kWh models
VERIFIED DATA
Source notes
- Battery
- LiFePO₄ · 3,000 cycle claim
- Ports
- AC 4 · USB-C 100W
- Charging
- Full AC charge in about 60 minutes
- Performance density
- 82W/kg
- Ideal solar recharge
- About 3.1 hr at 75% of maximum input
FAQ
Common questions
How long can the RIVER 2 Max run a 60W car refrigerator?
A simple 85% efficiency estimate is about 7.3 hours. Compressor duty cycle and ambient temperature can materially change the result.
What should I check first on the RIVER 2 Max?
Confirm continuous draw is within 500W and appliance startup demand is within the stated 1,000W surge capability.
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