EcoFlow DELTA Pro 3
76BatteryRank score · Excellent
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EcoFlow DELTA Pro 3 vs Pecron E3600LFP
Decision readout
Better station
EcoFlow DELTA Pro 3 leads by 13 points overall.
Pecron E3600LFP
63BatteryRank score · Balanced
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What changes the decision
- Home backup: EcoFlow DELTA Pro 3 — more AC-delivered capacity and higher AC output
- Camping & RV: Pecron E3600LFP — lighter and easier to carry
By the BatteryRank Engineering Team
01 · Score evidence
Score breakdown
76
EcoFlow DELTA Pro 3
Overall
63
Pecron E3600LFP
87
POWER
EcoFlow DELTA Pro 3 +30
57
Battery-side usable capacity and how much you can run at once.
74
TRUST
EcoFlow DELTA Pro 3 +9
65
Owner reputation, safety record, warranty, and build durability.
N/A
CHARGING
Incomplete data
78
Wall and solar recharge speed.
27
LIVABILITY
Pecron E3600LFP +27
54
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.
EcoFlow DELTA Pro 3
Rated (on the box)
4,096 Wh. Show source
claimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-stationThe marketing number — total cell capacity.
AC deliveredmeasured
3,790 Wh. Show source
verified source3790Wh usable at >93% efficiency (OutdoorGearLab) vs 4096 rated2026-07-043790Wh usable at >93% efficiency (OutdoorGearLab) vs 4096 rated · 7% below the label
Pecron E3600LFP
Rated (on the box)
3,072 Wh. Show source
claimed sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954The marketing number — total cell capacity.
AC delivered (est.)
2,611 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 | EcoFlow DELTA Pro 3 | Pecron E3600LFP | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 52.6 nights | about 36.3 nights | 9 W · |
| CPAP (heated humidifier on) | about 8.5 nights | about 5.8 nights | 56 W · |
| Refrigerator (full-size) | about 60 hours | about 41 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 211 hours | about 145 hours | 18 W · |
| Laptop (65W charger) | about 117 hours | about 80 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 189 full charges | about 130 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 | EcoFlow DELTA Pro 3 | Pecron E3600LFP |
|---|---|---|
| AC-delivered capacity | 3,790 Whverified. Show sourceverified source3790Wh usable at >93% efficiency (OutdoorGearLab) vs 4096 rated2026-07-04 | 2,611 Whest.. Show sourceestimated sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954 |
| Continuous power output | 4,000 W. Show sourceclaimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-station | 3,600 W. Show sourceclaimed sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954 |
| Surge power output | 8,000 W. Show sourceclaimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-station | — |
| Max solar input | 2,600 W. Show sourceclaimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-station | 2,400 W. Show sourceclaimed sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954 |
| Weight | 51.5 kg. Show sourceclaimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-station | 36 kg. Show sourceclaimed sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954 |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceus.ecoflow.com2026-07-04https://us.ecoflow.com/products/delta-pro-3-portable-power-station | 3,500 cycles. Show sourceclaimed sourcecdn.shopify.com2026-07-27https://cdn.shopify.com/s/files/1/0509/5263/4556/files/PECRON_E3600LFP_user_manual_100V_120V_-20251016.pdf?v=1765511954 |
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
- EcoFlow DELTA Pro 3 #1 of 10 in Best for RV & Van Life · #2 XL / home backup in Best Portable Power Stations
- Pecron E3600LFP #2 of 8 in Best 3,000 Wh Stations · #5 of 10 in Best Power Stations for Starlink
Quick answers
- Is the EcoFlow DELTA Pro 3 better than the Pecron E3600LFP?
- EcoFlow DELTA Pro 3 leads by 13 points overall.
- Which has more usable capacity, the EcoFlow DELTA Pro 3 or Pecron E3600LFP?
- The EcoFlow DELTA Pro 3, by 1,179 Wh — 3,790 Wh versus 2,611 Wh, a 45% advantage. At a 60 W load that is roughly 19.7 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 EcoFlow DELTA Pro 3 or Pecron E3600LFP?
- The EcoFlow DELTA Pro 3: 4,000 W versus 3,600 W continuous. That gap matters only if a load sits between the two numbers — below 3,600 W both run it, above 4,000 W neither does. Only the EcoFlow DELTA Pro 3 publishes a sourced surge figure (8,000 W); the Pecron E3600LFP has no sourced surge figure, so startup capability is only half-answered here — check the missing side before planning around a motor or compressor load.
- How does runtime compare between the EcoFlow DELTA Pro 3 and Pecron E3600LFP?
- On the same sourced load — a refrigerator (full-size) — the EcoFlow DELTA Pro 3 runs longer: 60.2 hours against 41.4. 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 EcoFlow DELTA Pro 3 or Pecron E3600LFP?
- The Pecron E3600LFP, by 15.5 kg (36 kg versus 51.5 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 EcoFlow DELTA Pro 3 for home backup; the Pecron E3600LFP 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 EcoFlow DELTA Pro 3 →
- Full scorecard, specs & price for Pecron E3600LFP →
- See more alternatives to EcoFlow DELTA Pro 3 →
- See more alternatives to Pecron E3600LFP →
- 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 →