EcoFlow RIVER 3 Plus

Last updated: October 20, 2026

EcoFlow RIVER 3 Plus
3.8/5#6 of 24 in small power stations
3.8

A compact LiFePO4 station for camping, laptop work and router/modem UPS duty, with the option to add capacity later.

  • 286 WhCapacity
  • 600 WAC output
  • 10.4 lbWeight
  • LiFePO4Battery
  • 1 hFull charge
  • $1.05Price / Wh
Check price at Amazon$299Check price at EcoFlow$299

Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • LiFePO4 cells rated for 3,000 cycles to 80% capacity
  • Full AC recharge in about 60 minutes at 380W
  • Sub-10 ms UPS switchover for routers, modems and small PCs
  • Expandable to 858Wh with an EB300 or EB600 extra battery
Cons
  • 600W continuous AC output rules out most kitchen appliances and heaters
  • Single 100W USB-C port

How it scores

The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Battery
Rated capacity286 Wh
ChemistryLiFePO4
Cycle life3,000 to 80%
ExpandableYes, up to 858 Wh
Output
AC output600 W (1,200 W surge)
Boost mode (resistive loads)1,200 W
AC outlets3 total
120V 15A outlets (NEMA 5-15R)3
USB-C ports1 (100 W)
USB-A ports2
12 V car outletYes
UPS / pass-throughYes (10 ms switchover)
Charging
AC charging380 W
Full AC charge time1 h
Max solar input220 W
Car charging220 W
Build
Weight10.4 lb (4.7 kg)
Dimensions9.2 x 9.1 x 5.8 in
AppWi-Fi + Bluetooth
Warranty5 years

Alternatives in this size

Compare

Compare the EcoFlow RIVER 3 Plus with any other portable power station →

More from EcoFlow: every EcoFlow product ranked.

Reviews