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EcoFlow · Compact (under 600 Wh)

EcoFlow RIVER mini Wireless

A compact unit, 210 Wh, 300 W (600 surge), 6.3 lb, $399 at EcoFlow, checked Oct 11, 2026 ($1.90 per Wh). By our sizing it holds phones and USB lights, but none of the six uses we size.

From the maker's published figures and our own calculations; we have not tested it ourselves.

Estimated runtime4.5hours24-hour dial
EcoFlow RIVER mini Wireless
Rated capacity

210 Wh

210 Wh × 0.85 ÷ device watts. An estimate, not a measured test. Startup and connections need checking.

Drawing · 9.8 × 5.5 × 5.2 in · 6.3 lb
EcoFlow RIVER mini Wireless $399 at EcoFlow, checked Oct 11, 2026
Capacity 210Wh
AC output 300W
Surge 600W
Chemistry NMC
Rated cycles 500 to 80%
Weight 6.3lb
Max solar input 100W
Price per Wh $1.90

Should you buy it?

Not for: a day of home backup (too little capacity: needs 2,323 Wh and 1,351 W at startup); a night of CPAP (too little capacity: needs 599 Wh and 104 W at startup); two nights of camping (too little capacity: needs 2,066 Wh and 157 W at startup); a day in an RV (too little capacity: needs 648 Wh and 156 W at startup); a working day in a van (too little capacity: needs 1,674 Wh and 189 W at startup); a laptop and two phones (too little capacity: needs 396 Wh and 60 W at startup).

Choose it if you will carry it: 6.3 lb, the lightest of the 23 compact units with an AC outlet.

Choose the Pecron E500LFP instead if you want the most battery for the money: $0.47 per Wh against $1.90, $130 less, 7.7 lb heavier.

About 179 Wh reaches the AC outlets after the 0.85 loss allowance (an estimate, not a measurement). At $1.90 per watt-hour, compare its cost with the charging speed and carry weight you need. It stores 33.3 Wh per pound. We list 28 other models in its size class; the four nearest in capacity are compared below.

What it runs, and for how long

Hours = capacity × 0.85 ÷ device watts, with the draws from the device table.

Runtime on 210 Wh
DeviceDraw WHoursOutput and surge cover it?
CPAP machine (no heated humidifier) 45 4 yes
CPAP machine (with heated humidifier) 53 3.4 yes
Refrigerator (full-size, ENERGY STAR, ~18 cu ft top freezer) (average draw, compressor cycling) 41 4.3 no
Laptop (MacBook Air, charging) (charger rating, continuous) 40 4.5 yes
Wi-Fi router 24 7.4 yes
Starlink Mini (router built in) 33 5.5 yes
TV, 50-inch LED / Crystal UHD 89 2 yes
Camp LED light set (4 chainable lights) 6 28.3 yes

"Yes" means its continuous output covers the draw and its surge rating covers the startup figure we use, by arithmetic on ratings, not a test. Startup figures: the CPAP with its humidifier, 104 W at startup, from ResMed's peak figure; the refrigerator, 1,300 W startup allowance, from a larger 27 cu ft Whirlpool's tech sheet. Your own appliance's label or manual has its own.

Sockets and size

  • Two AC outlets, 300 W in total, 600 W surge
  • One USB-C port, up to 100 W from one port
  • Three USB-A ports
  • One 12 V outlet
  • Wireless charging pad
Top and front, to scale: 9.8 × 5.5 × 5.2 in. Ruler: 12 in. Beside it, a 12 oz can.

How many of each socket and their limits, from the maker's spec sheet; it does not say where each one sits on the unit. It weighs 6.3 lb.

At a glance

How it compares with the other 28 compact models, on the makers' figures. We don't boil it down to one score; see how we pick.

What decides it, in figures
What it can power Covers none of the uses we size. Output and surge cover 13 of the 17 devices in our list, on the startup figures we use
Price per Wh $1.90 per Wh, 29th lowest of 29 compact units
Portability 6.3 lb, 7th lightest of 28 compact units
Recharge speed 100 W of solar input: at least 2.1 hours of full sun at that limit to refill (an ideal minimum, not clock time); 1.5 h from the wall
Chemistry and cycle life NMC, rated 500 cycles to 80%
Expandability No expansion stated

Full spec sheet

Battery
Capacity 210 Wh
Chemistry NMC
Rated cycle life 500 to 80%
Expandable –
Output
Continuous AC output 300 W
Surge (peak) output 600 W
AC outlets 2
USB-C ports / highest output 1 / 100 W
USB-A ports 3
12 V outputs 1
Wireless charging pad yes
UPS / EPS switchover –
Charging
Max AC input –
Wall recharge time 1.5 h
Max solar input 100 W
Stated solar recharge time –
App control –
Physical
Weight 6.3 lb (2.9 kg)
Dimensions 9.8 x 5.5 x 5.2 in (249 x 140 x 132 mm)
Wh per lb 33.3
Release year –
Warranty –
Price
List price –
Store price $399 at EcoFlow, checked Oct 11, 2026
Price per Wh $1.90

Before using the battery's cycle rating to judge value, read what LiFePO4 versus NMC means for lifespan and weight.

What the output figures mean for your devices: running and surge watts, and which units can stand in for a UPS.

Which maker panels its solar input takes, how to wire them and the hours of sun to refill it: the RIVER mini Wireless solar setup.

Alternatives at this size

Listed smallest to largest by capacity; this unit is among them.

Select up to three models to compare.

This unit and the four nearest by capacity, any brand
Model Wh Output W (surge) lb Solar input W Chemistry Cycles Price at maker $ Price per Wh Store
Anker SOLIX C200 DC 192 no AC outlet 4.2 100 LiFePO4 3,000 to 80% $149.99sold out when checked Oct 11, 2026 $0.78 See it at Anker SOLIX Check price on AmazonAmazon's price may differ
EcoFlow TRAIL 200 DC 192 no AC outlet 4 – LiFePO4 – $109checked Oct 11, 2026 $0.57 See it at EcoFlow
EcoFlow RIVER mini Wireless 210 300 W (600 surge) 6.3 100 NMC 500 to 80% $399checked Oct 11, 2026 $1.90 See it at EcoFlow
EcoFlow RIVER 2 (240) 243 300 W (600 surge) 7.7 110 LiFePO4 3,000 to 80% $209checked Oct 11, 2026 $0.86 See it at EcoFlow
Aferiy P040 256 400 W 8.8 120 LiFePO4 4,000 to 85% $169 $299checked Oct 11, 2026 $0.66 Check price on AmazonAmazon's price may differ See it at Aferiy

See it at EcoFlow Every EcoFlow model we cover Does it hold enough for your devices?

Before connecting panels, compare your array's cold-morning open-circuit voltage and short-circuit current with this model's solar-input limits in its manual.

Check your panels against this model's solar limits.

Sources

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Runtime is rated capacity × 0.85 ÷ watts. Check startup draw and connections separately. Prices are the maker's, with the day they were checked.