EcoFlow RIVER 2 Pro: what it runs and for how long
The EcoFlow RIVER 2 Pro is a 768 Wh LiFePO4 portable power station with an 800 W inverter (1,600 W surge). Compared with the EcoFlow RIVER 2 Max, it has 768 Wh of capacity instead of 512 Wh and 800 W of AC output instead of 500 W. It meets our requirements for camping, carrying a CPAP on trips (light enough to pack) and UPS use with computers and routers.
What can the EcoFlow RIVER 2 Pro run, and for how long?
Combine loads in the EcoFlow RIVER 2 Pro runtime calculatorOn a full charge it runs a 12V compressor fridge for about 2.6 days and a CPAP machine for about 12 h.
What can’t the EcoFlow RIVER 2 Pro run?
The EcoFlow RIVER 2 Pro can't run a refrigerator or a chest freezer (start-up ~2,200 W, limit 1,600 W); a microwave or a well pump (needs 1,000 W, inverter is 800 W); a space heater or an electric kettle (needs 1,500 W, inverter is 800 W).
Who is the EcoFlow RIVER 2 Pro a good fit for?
The EcoFlow RIVER 2 Pro meets every requirement for 3 of the 12 uses we filter for.
- ✓Camping
- ✓Carrying a CPAP on trips (light enough to pack)
- ✓UPS use with computers and routers
- ✕Fast solar charging · needs solar input ≥ 800 W; the EcoFlow RIVER 2 Pro has 220 W
- ✕Balcony solar and apartments · needs solar input ≥ 400 W; the EcoFlow RIVER 2 Pro has 220 W
- ✕A LiFePO4 station under $500 · needs list price ≤ $500; the EcoFlow RIVER 2 Pro has $529
Can the EcoFlow RIVER 2 Pro work as a UPS?
EcoFlow lists a switchover time of 30 ms for the EcoFlow RIVER 2 Pro, outside the 20 ms gap that the ITI (CBEMA) reference says typical computer equipment should ride through.
How fast does the EcoFlow RIVER 2 Pro recharge?
From a wall outlet it recharges in about 70 minutes in its fastest mode, per EcoFlow. From solar it needs about 4.7 hours of strong sun at its 220 W solar limit, with panels delivering 75% of their rating.
What are the EcoFlow RIVER 2 Pro's full specifications?
These figures come from EcoFlow's official US page, checked 2026-10-12. "Not published" marks specs EcoFlow doesn't publish.
| Capacity | 768 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| Rated cycles | 3,000 Cycle life is rated to 80% capacity or more. |
| AC output (continuous) | 800 W |
| AC surge | 1,600 W |
| AC outlets | Not published EcoFlow's spec table does not state the AC outlet count. |
| Max USB-C output | 100 W |
| Max solar input | 220 W |
| Max AC charging input | 940 W |
| AC charge time (fastest mode) | 70 min |
| Expandable | Not published |
| Max with extra batteries | Not published |
| UPS switchover | 30 ms Under 30 ms EPS auto-switch, which EcoFlow describes as EPS rather than true UPS. |
| Weight | 18.2 lb |
| Dimensions | 10.6 × 10.2 × 8.9 in |
| List price | $529 |
How does the EcoFlow RIVER 2 Pro rank against other 500–999 Wh power stations?
Among the 6 current 500–999 Wh models, the EcoFlow RIVER 2 Pro is in the top third for Wh per list dollar and in the bottom third for rated cycles.
| Spec | EcoFlow RIVER 2 Pro | Rank in band | vs band median | vs band leader |
|---|---|---|---|---|
| Capacity | 768 Wh | 3rd of 6 | +6% | -23% vs Goal Zero Yeti 1000 |
| AC output | 800 W | 4th of 6 | -11% | -60% vs Goal Zero Yeti 1000 |
| Surge | 1,600 W | 2nd of 4 | +23% | -56% vs Goal Zero Yeti 1000 |
| Solar input | 220 W | 3rd of 5 | level | -76% vs Goal Zero Yeti 1000 |
| AC charging | 940 W | 3rd of 6 | +18% | -33% vs BLUETTI Pioneer Na |
| Rated cycles | 3,000 | 5th of 6 | -25% | -25% vs DJI Power 500 |
| Weight | 18.2 lb | 3rd of 6 | -5% | +36% vs EcoFlow RIVER 2 Max |
| UPS switchover | 30 ms | 4th of 5 | +50% | +100% vs Goal Zero Yeti 1000 |
| Wh per list $ | 1.45 | 2nd of 6 | +43% | -15% vs EcoFlow RIVER 2 Max |
Who should not buy the EcoFlow RIVER 2 Pro?
Skip the EcoFlow RIVER 2 Pro if any of these describe you; each comes from its published specs.
- You rely on solar. Even at its full 220 W solar input it needs about 3.5 hours of strong sun to refill, slower than most models its size. The EcoFlow DELTA 3 Plus needs about 1.0 hours at its limit.
- You want to keep a desktop running through outages. Its 30 ms switchover is slower than the 20 ms many computer power supplies are designed to ride through. The EcoFlow DELTA 3 Classic is rated at 10 ms.
- You may want more battery later. The EcoFlow RIVER 2 Pro isn't listed as expandable. The EcoFlow DELTA 3 Plus (1,024 Wh) accepts extra batteries.
- You want to run a kettle, microwave or space heater. Its 800 W inverter is below the 1,000 W or more our cited figures give for each of them. The BLUETTI Pioneer Na delivers 1,500 W.
How long does the EcoFlow RIVER 2 Pro last at different loads?
About 653 Wh reaches the AC outlets, so a steady 100 W load runs for about 6.5 h and a load at its full 800 W rating for about 49 minutes.
| Steady AC load | Runtime from full |
|---|---|
| 25 W | 26 h |
| 50 W | 13 h |
| 100 W | 6.5 h |
| 200 W | 3.3 h |
| 300 W | 2.2 h |
| 500 W | 1.3 h |
| 750 W | 52 min |
| 800 W | 49 min |
What does the EcoFlow RIVER 2 Pro cost per kWh over its rated life?
About $0.23 per kWh of storage at list price, if you use all 3,000 rated cycles. The median for 500–999 Wh models is $0.25 per kWh, so the EcoFlow RIVER 2 Pro is cheaper over its rated life.
Rated life energy = 768 Wh × 3,000 cycles ≈ 2,304 kWh. List price $529 ÷ 2,304 kWh ≈ $0.23.
How many hours of sun does the EcoFlow RIVER 2 Pro need to refill?
With panels delivering 75% of their rating (our calculator's default), the EcoFlow RIVER 2 Pro needs the hours of strong sun below. Its 220 W solar limit caps the charge rate, so panels beyond about 293 W add nothing in strong sun.
| Panels | Charge rate | Sun hours to refill |
|---|---|---|
| 100 W of panels | 75 W | 10.2 h |
| 200 W of panels | 150 W | 5.1 h |
| 400 W of panels | 220 W | 3.5 h |
| 800 W of panels | 220 W | 3.5 h |
What can the EcoFlow RIVER 2 Pro run at the same time?
The EcoFlow RIVER 2 Pro can carry 2 of the 10 common pairs we check at once, with the runtimes below. It can't carry refrigerator + wi-Fi router / modem, refrigerator + chest freezer, refrigerator + microwave oven, refrigerator + electric kettle, window air conditioner + refrigerator, sump pump + refrigerator, space heater + wi-Fi router / modem and microwave oven + electric kettle: together they pass its running or start-up limit.
| Together | Runtime from full |
|---|---|
| CPAP with heated humidifier + wi-Fi router / modem | 8.6 h |
| TV + wi-Fi router / modem | 4.7 h |
Which EcoFlow RIVER 2 Pro specs are unpublished or conditional?
EcoFlow publishes every spec we track for the EcoFlow RIVER 2 Pro.
3 published figures come with conditions, shown under the spec table: AC outlets, UPS switchover and rated cycles.
How does the EcoFlow RIVER 2 Pro compare with similar power stations?
By capacity, the nearest models from other brands are Goal Zero Yeti 700, BLUETTI Pioneer Na and Goal Zero Yeti 1000.
How is the EcoFlow RIVER 2 Pro different from the EcoFlow RIVER 2 Max?
The EcoFlow RIVER 2 Max is the closest EcoFlow model. Pick the EcoFlow RIVER 2 Pro if you want capacity, ac output and surge; otherwise the EcoFlow RIVER 2 Max gives you the opposite trade-off.
| EcoFlow RIVER 2 Pro | EcoFlow RIVER 2 Max | |
|---|---|---|
| Capacity | 768 Wh | 512 Wh |
| AC output | 800 W | 500 W |
| Surge | 1,600 W | 1,000 W |
| Weight | 18.2 lb | 13.4 lb |
| List price | $529 | $299 |
Which models from other brands are closest in size?
Goal Zero Yeti 700
BLUETTI Pioneer Na
Goal Zero Yeti 1000Which other EcoFlow models are similar?
How this page was made. Specs come from each manufacturer's official US spec page or manual, checked on the date shown; specs a manufacturer doesn't publish are marked "Not published". Runtimes are calculated (capacity × 85% inverter efficiency ÷ appliance draw), not measured. We haven't hands-on tested these units. Method and sources · Affiliate disclosure