EcoFlow RIVER 3 Plus
EcoFlow
A 286 Wh LiFePO4 unit at 10.4 lb with 600 W output and a 10 ms UPS.
EcoFlow RIVER 3 Plus costs $299 in EcoFlow's own US store, checked on October 6, 2026.
Where to buy in
Price in the maker's own store, checked October 6, 2026. Amazon prices change often, so we link without a price.
What you get
The RIVER 3 Plus stores 286 Wh and weighs 10.4 lb. Three AC outlets deliver 600 W continuous with a 1,200 W surge. The maker lists a 10 ms UPS switchover and a one hour recharge from the wall.
- <10ms UPS for router/CPAP/PC
- Expandable to 858Wh with EB300/EB600
- 1 hr AC recharge
- 10.4 lb
Pros and cons of the EcoFlow RIVER 3 Plus
Pros
- The 10 ms UPS is listed by the maker for a router or a PC.
- An extra battery takes it to 858 Wh per the maker.
Cons
- With 286 Wh it holds far less than the 1 kWh units and suits phones and a router.
- A 600 W continuous rating is well under the 1,500 W and up listed for the rest.
Specs
- Capacity
- 286 Wh
- AC output
- 600 W
- Battery
- LiFePO4
- Cycle lifemaker's rating
- 3000 cycles to 80%
- AC outlets
- 3
- Solar input
- 220 W
- UPS switchover
- 10 ms
- Weight
- 10.4 lb (4.7 kg)
- Surge
- 1,200 W
- USB-C ports
- 1
- Wall charge timemaker's claim
- 60 min (0-100%)
- Expandable
- Yes
Why it scores 8.6
8.6/10
Shortlist score. How it is calculated
Emergency features
- LiFePO4 battery
- Capacity of 1,000 Wh or more
- AC output of 1,500 W or more
- Solar input of 400 W or more
- UPS switchover of 30 ms or less
- Rated for 3,000 cycles or more
Tester picks
- Popular Mechanics
- GearJunkie
- T3
Search demand
Number 7 of 17 on this shortlist for Google searches by model name.
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