EcoFlow RIVER 2 Pro vs EcoFlow RIVER 3 Max Plus (2026)
The short answer
More capacity? EcoFlow RIVER 3 Max Plus
More AC watts? EcoFlow RIVER 3 Max Plus
EcoFlow RIVER 2 Pro is 768Wh and 800W. EcoFlow RIVER 3 Max Plus is 858Wh and 990W.
Choose this if
Pick the EcoFlow RIVER 2 Pro if
- You want 768Wh and 800W.
Choose this if
Pick the EcoFlow RIVER 3 Max Plus if
- You want 858Wh and 990W.
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Key specs
| EcoFlow RIVER 2 Pro | EcoFlow RIVER 3 Max Plus | |
|---|---|---|
| Capacity | 768Wh | 858Wh |
| Rated AC | 800W | 990W |
| Weight | Not stated | Not stated |
| Warranty | Not stated | Not stated |
Capacity and AC watts from Amazon listing titles checked October 8, 2026. Weight and warranty from maker pages where checked; otherwise not stated.
What it can run
| Load | EcoFlow RIVER 2 Pro | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Phone charges | ✓ YESAbout 15Wh each. | ✓ YESAbout 15Wh each. |
| Laptop, 60W | ✓ YESAbout 9.8 hours. | ✓ YESAbout 10.9 hours. |
| Camp lights, 10W | ✓ YESAbout 58.8 hours. | ✓ YESAbout 65.6 hours. |
| Portable fan, 30W | ✓ YESAbout 19.6 hours. | ✓ YESAbout 21.9 hours. |
| CPAP, 40W | ✓ YESAbout 14.7 hours. | ✓ YESAbout 16.4 hours. |
| 12V cooler, 45W average | ✓ YESAbout 13.1 hours. | ✓ YESAbout 14.6 hours. |
| Fridge, 80W average | ✓ YESAbout 7.3 hours. | ✓ YESAbout 8.2 hours. |
| Coffee maker, 1000W | NO1000W is over 800W. | NO1000W is over 990W. |
| 12V blanket, 50W | ✓ YESAbout 11.8 hours. | ✓ YESAbout 13.1 hours. |
Hours = capacity × 0.85 × 0.90 ÷ load. Estimates, not a test.
Skip it if
Skip the EcoFlow RIVER 2 Pro
Skip it if 768Wh or 800W is not enough.
Skip the EcoFlow RIVER 3 Max Plus
Skip it if 858Wh or 990W is not enough.
Questions about this pair
Can it run a heater?
Short burst only. A 750W heater will not heat a tent or a room overnight. Use a 12V blanket for overnight.
Which one runs longer?
The unit with more watt-hours. The chart above uses the same loads on both so you can see the gap.
Can it run a heater overnight?
No. A 750W heater is a short burst. Use a 12V blanket for overnight in a tent.
Are these the same class?
They are close enough to compare. Check the capacity row. A gap over about 25% means one is a size step up.