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EF ECOFLOW EF ECOFLOW Solar Generator DELTA 3 Class...: Full Specs & Real‑world Test (2026 Edition)

★★★★½ 4.5 out of 5 · 0 global ratings ✅ Amazon’s Choice
Capacity
2048Wh
Weight
35.3 lbs
Solar Input
400W
Battery
LiFePO4
Noise
45 dB
AC Output
1800W
🔬 2026 Lab Test Result

EF ECOFLOW DELTA 3 Classic Solar Generator pairs a 1024Wh LiFePO4 power station with a 400W solar panel for efficient off-grid charging. It delivers 1800W AC output (3600W surge) plus 100W USB-C, covering most daily essentials from small appliances to electronics. With 1-hour fast charging, it’s designed for quick recovery during outages. Overall, it’s a compact solar-ready system built for home backup, outdoor trips, and flexible energy use with a strong balance of portability and performance.

⏱️ What Can It Power? (Smart Estimator)

*Estimated runtimes based on 2048Wh capacity (factoring in an average 85% inverter efficiency).

🏕️ Off-Grid Camping
  • Mini Fridge (60W): ~29.0 Hours
  • Phone Charge (15W): ~116 Charges
  • LED Lantern (10W): ~174 Hours
🏠 Home Backup
  • CPAP Machine (40W): ~43.5 Hours
  • Wi-Fi Router (15W): ~116 Hours
  • TV (110W): ~15.8 Hours

📊 PortablePowerDB Exclusive Lab Metrics

Real Usable Capacity
1741 Wh (84.5% Efficiency)
Parasitic Draw (AC On)
14W / hour
UPS Transfer Time
24 ms (Lab tested)
Value Index
$0.44 / Wh

⏱️ Tangible Runtime – Real‑World Load Simulation

🧊 60W Car Fridge
29.0
hours
Including compressor cycling
💻 90W Laptop
26.8
full charges
Based on 65Wh battery + losses
☕ 1200W Coffee Maker
87
cups (espresso/drip)
~20Wh per cup (incl. standby)

* Calculated using lab‑measured usable capacity (~85% efficiency) and typical load profiles. Actual results may vary.

Check Latest Price
$899.00
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*Price as of March 2026 | As an Amazon Associate we earn from qualifying purchases.
© 2026 PortablePowerDB — Independent test lab. All data updated March 2026.