Bluetti AC70
71BatteryRank score · Excellent
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Bluetti AC70 vs EcoFlow RIVER 2 Pro (700)
Decision readout
Better station
Bluetti AC70 leads by 11 points overall.
EcoFlow RIVER 2 Pro (700)
60BatteryRank score · Balanced
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What changes the decision
- Home backup: Bluetti AC70 — more AC-delivered capacity and 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
71
Bluetti AC70
Overall
60
EcoFlow RIVER 2 Pro (700)
81
POWER
Bluetti AC70 +26
55
Battery-side usable capacity and how much you can run at once.
74
TRUST
Bluetti AC70 +10
64
Owner reputation, safety record, warranty, and build durability.
58
CHARGING
EcoFlow RIVER 2 Pro (700) +16
74
Wall and solar recharge speed.
51
LIVABILITY
Bluetti AC70 +1
50
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.
Bluetti AC70
Rated (on the box)
768 Wh. Show source
claimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70The marketing number — total cell capacity.
AC delivered (est.)
653 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.
EcoFlow RIVER 2 Pro (700)
Rated (on the box)
716 Wh. Show source
claimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-stationThe marketing number — total cell capacity.
AC delivered (est.)
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.
03 · Same assumptions
Same-device runtime
| Device | Bluetti AC70 | EcoFlow RIVER 2 Pro (700) | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 9.1 nights | about 8.5 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.5 nights | about 1.4 nights | 56 W · |
| Refrigerator (full-size) | about 10 hours | about 9.7 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 36 hours | about 34 hours | 18 W · |
| Laptop (65W charger) | about 20 hours | about 19 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 32 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 →
04 · Sourced hardware
Key specs, side by side
| Spec | Bluetti AC70 | EcoFlow RIVER 2 Pro (700) |
|---|---|---|
| AC-delivered capacity | 653 Whest.. Show sourceestimated sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 609 Whest.. Show sourceestimated sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station |
| Continuous power output | 1,000 W. Show sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 800 W. Show sourceclaimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station |
| Surge power output | 2,000 W. Show sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 1,600 W. Show sourceclaimed sourceus.ecoflow.com2026-07-27https://us.ecoflow.com/collections/river-2-pro-series/products/river-2-pro-700-portable-power-station |
| Max solar input | 500 W. Show sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 220 W. Show sourceclaimed 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%) | 75 min. Show sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | — |
| Weight | 10.2 kg. Show sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 7.8 kg. Show sourceclaimed 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 sourceclaimed sourcebluettipower.com2026-07-04https://www.bluettipower.com/products/ac70 | 3,000 cycles. Show sourceclaimed 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 capacity653 Wh609 Wh
- Continuous power output1,000 W800 W
- Surge power output2,000 W1,600 W
- Max solar input500 W220 W
- AC charge time (0–100%)75 min—
- Weight10.2 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
- Bluetti AC70 #2 Small / carry in Best Portable Power Stations · #3 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 Bluetti AC70 better than the EcoFlow RIVER 2 Pro (700)?
- Bluetti AC70 leads by 11 points overall.
- Which has more usable capacity, the Bluetti AC70 or EcoFlow RIVER 2 Pro (700)?
- The Bluetti AC70, by 44 Wh — 653 Wh versus 609 Wh, a 7% advantage. At a 60 W load that is roughly 0.7 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 Bluetti AC70 or EcoFlow RIVER 2 Pro (700)?
- The Bluetti AC70: 1,000 W versus 800 W continuous. That gap matters only if a load sits between the two numbers — below 800 W both run it, above 1,000 W neither does. Surge headroom follows the same order: 2,000 W against 1,600 W, and surge is what decides whether a compressor or pump actually starts.
- How does runtime compare between the Bluetti AC70 and EcoFlow RIVER 2 Pro (700)?
- On the same sourced load — a refrigerator (full-size) — the Bluetti AC70 runs longer: 10.4 hours against 9.7. 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 Bluetti AC70 or EcoFlow RIVER 2 Pro (700)?
- The EcoFlow RIVER 2 Pro (700), by 2.4 kg (7.8 kg versus 10.2 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 Bluetti AC70 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 Bluetti AC70 →
- Full scorecard, specs & price for EcoFlow RIVER 2 Pro (700) →
- See more alternatives to Bluetti AC70 →
- 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 →