Anker SOLIX C800 X vs EcoFlow RIVER 2 Pro (700)

Anker SOLIX C800 X

63BatteryRank score · Balanced

Decision readout

Better station

Anker SOLIX C800 X takes warranty and track record, EcoFlow RIVER 2 Pro (700) takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to Anker SOLIX C800 X by 3 points — a hair, not a mandate.

trustAnker SOLIX C800 X+8
livabilityEcoFlow RIVER 2 Pro (700)+33
7.8 kg vs 10.9 kg

EcoFlow RIVER 2 Pro (700)

60BatteryRank score · Balanced

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What changes the decision

Home backup: Anker SOLIX C800 X — higher AC output
Camping & RV: EcoFlow RIVER 2 Pro (700) — lighter and easier to carry

By the BatteryRank Engineering Team

01 · Score evidence

Score breakdown

Anker SOLIX C800 X

Overall

EcoFlow RIVER 2 Pro (700)

POWER

Anker SOLIX C800 X +2

Battery-side usable capacity and how much you can run at once.

TRUST

Anker SOLIX C800 X +8

Owner reputation, safety record, warranty, and build durability.

CHARGING

Anker SOLIX C800 X +5

Wall and solar recharge speed.

LIVABILITY

EcoFlow RIVER 2 Pro (700) +33

Lightweight, portable, and quiet enough to live with.

Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.

02 · Usable energy

Capacity truth

The watt-hours on the box aren't what reaches your devices. Same scale, both units.

Anker SOLIX C800 X

Rated (on the box)

768 Wh

claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112

The marketing number — total cell capacity.

AC deliveredmeasured

580 Wh

verified source~580 Wh extracted at 1200W over 29 min (Trusted Reviews)2026-07-04

~580 Wh extracted at 1200W over 29 min (Trusted Reviews) · 24% below the label

EcoFlow RIVER 2 Pro (700)

Rated (on the box)

716 Wh

claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station

The marketing number — total cell capacity.

AC delivered (est.)

609 Wh

estimated sourceestimate = battery-side usable capacity × 85% inverter efficiency

What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.

03 · Same assumptions

Same-device runtime

Estimated runtime for the same sourced devices on Anker SOLIX C800 X and EcoFlow RIVER 2 Pro (700)
Device	Anker SOLIX C800 X	EcoFlow RIVER 2 Pro (700)	Assumption
CPAP (humidifier off)	about 8.1 nights	about 8.5 nights	9 W · 2026-07-06
CPAP (heated humidifier on)	about 1.3 nights	about 1.4 nights	56 W · 2026-07-06
Refrigerator (full-size)	about 9.2 hours	about 9.7 hours	180 W × 35% duty cycle · 2026-07-06
Wi-Fi router + modem	about 32 hours	about 34 hours	18 W · 2026-07-06
Laptop (65W charger)	about 18 hours	about 19 hours	65 W × 50% duty cycle · 2026-07-06
Phone (one full charge)	about 29 full charges	about 30 full charges	20 W · 2026-07-06

One device at a time; estimates use each station's usable AC energy. Build your own load →

04 · Sourced hardware

Key specs, side by side

Key sourced specifications for Anker SOLIX C800 X and EcoFlow RIVER 2 Pro (700)
Spec	Anker SOLIX C800 X	EcoFlow RIVER 2 Pro (700)
AC-delivered capacity	580 Whverified. Show source verified source~580 Wh extracted at 1200W over 29 min (Trusted Reviews)2026-07-04	609 Whest.. Show source estimated sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station
Continuous power output	1,200 W. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	800 W. Show source claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station
Surge power output	1,600 W. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	1,600 W. Show source claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station
Max solar input	300 W. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	220 W. Show source claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station
AC charge time (0–100%)	58 min. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	—
Weight	10.9 kg. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	7.8 kg. Show source claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station
Rated cycle life	3,000 cycles. Show source claimed sourceankersolix.com2026-07-04https://www.ankersolix.com/products/b1755112	3,000 cycles. Show source claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station

Only show differences

AC-delivered capacity580 Wh609 Wh
Continuous power output1,200 W800 W
Max solar input300 W220 W
AC charge time (0–100%)58 min—
Weight10.9 kg7.8 kg

Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.

Where these rank

Anker SOLIX C800 X #7 of 10 in Best Power Stations for Photographers & Drones
EcoFlow RIVER 2 Pro (700) #6 of 10 in Best for Camping · #8 of 10 in Fastest AC-Charging Power Stations

Quick answers

Is the Anker SOLIX C800 X better than the EcoFlow RIVER 2 Pro (700)?: Anker SOLIX C800 X takes warranty and track record, EcoFlow RIVER 2 Pro (700) takes weight and noise — the decision is which of those you need, not overall quality. If neither is your constraint, the composite tiebreak goes to Anker SOLIX C800 X by 3 points — a hair, not a mandate.
Which has more usable capacity, the Anker SOLIX C800 X or EcoFlow RIVER 2 Pro (700)?: The EcoFlow RIVER 2 Pro (700), by 29 Wh — 580 Wh versus 609 Wh, a 5% advantage. At a 60 W load that is roughly 0.5 extra hours before the battery is empty. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices, which is always less than the number on the box.
Which has more AC output, the Anker SOLIX C800 X or EcoFlow RIVER 2 Pro (700)?: The Anker SOLIX C800 X: 1,200 W versus 800 W continuous. That gap matters only if a load sits between the two numbers — below 800 W both run it, above 1,200 W neither does. Surge headroom follows the same order: 1,600 W against 1,600 W, and surge is what decides whether a compressor or pump actually starts.
How does runtime compare between the Anker SOLIX C800 X and EcoFlow RIVER 2 Pro (700)?: On the same sourced load — a refrigerator (full-size) — the EcoFlow RIVER 2 Pro (700) runs longer: 9.7 hours against 9.2. These are planning estimates from each model's AC-delivered capacity, not stopwatch tests; real duty cycle and temperature move them.
Which is lighter, the Anker SOLIX C800 X or EcoFlow RIVER 2 Pro (700)?: The EcoFlow RIVER 2 Pro (700), by 3.1 kg (7.8 kg versus 10.9 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
Which model should I buy for my use case?: On the sub-scores that describe each use case: the Anker SOLIX C800 X for home backup; the EcoFlow RIVER 2 Pro (700) for camping & rv. They split, so the honest answer depends on which of those you are actually buying for.

Anker SOLIX C800 X vs EcoFlow RIVER 2 Pro (700)