
Anker SOLIX C800 X vs 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.
- trustAnker SOLIX C800 X+8
- livabilityEcoFlow RIVER 2 Pro (700)+337.8 kg vs 10.9 kg

EcoFlow RIVER 2 Pro (700)
- Home backup: Anker SOLIX C800 X — higher AC output
- Camping & RV: EcoFlow RIVER 2 Pro (700) — lighter and easier to carry
Score breakdown
Battery-side usable capacity and how much you can run at once.
Owner reputation, safety record, warranty, and build durability.
Wall and solar recharge speed.
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.
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
768 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
580 Wh. Show source
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
716 Wh. Show source
claimed sourceus.ecoflow.com ↗2026-07-27The marketing number — total cell capacity.
609 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
Same-device runtime
| Device | Anker SOLIX C800 X | EcoFlow RIVER 2 Pro (700) | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 8.1 nights | about 8.5 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.3 nights | about 1.4 nights | 56 W · |
| Refrigerator (full-size) | about 9.2 hours | about 9.7 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 32 hours | about 34 hours | 18 W · |
| Laptop (65W charger) | about 18 hours | about 19 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 29 full charges | about 30 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
Key specs, side by side
| Spec | Anker SOLIX C800 X | EcoFlow RIVER 2 Pro (700) |
|---|---|---|
| AC-delivered capacity | 580 Whverified. Show sourceverified source~580 Wh extracted at 1200W over 29 min (Trusted Reviews)2026-07-04 | 609 Whest.. Show sourceestimated sourceus.ecoflow.com ↗2026-07-27 |
| Continuous power output | 1,200 W. Show sourceclaimed sourceankersolix.com ↗ | 800 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Surge power output | 1,600 W. Show sourceclaimed sourceankersolix.com ↗ | 1,600 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Max solar input | 300 W. Show sourceclaimed sourceankersolix.com ↗ | 220 W. Show sourceclaimed sourceus.ecoflow.com ↗ |
| AC charge time (0–100%) | 58 min. Show sourceclaimed sourceankersolix.com ↗ | — |
| Weight | 10.9 kg. Show sourceclaimed sourceankersolix.com ↗ | 7.8 kg. Show sourceclaimed sourceus.ecoflow.com ↗ |
| Rated cycle life | 3,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | 3,000 cycles. Show sourceclaimed sourceus.ecoflow.com ↗ |
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 #8 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.
Keep deciding
- Full scorecard, specs & price for Anker SOLIX C800 X →
- Full scorecard, specs & price for EcoFlow RIVER 2 Pro (700) →
- See more alternatives to Anker SOLIX C800 X →
- See more alternatives to EcoFlow RIVER 2 Pro (700) →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →