EcoFlow DELTA 2 Max Review
Image: EcoFlow product photo via us.ecoflow.com
EF ECOFLOW Portable Power Station DELTA 2 Max 2048Wh, 2400W LiFePO4 Battery
$1,028.99 (price as of 2026-11-07)
CA Fire Supply is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
CA Fire Supply summarizes what owners report on Reddit. Follow official evacuation orders from your local authorities and CAL FIRE. Never run a fuel generator indoors.
Reddit score
3.5 Based on 8 Reddit owner comments · Top 62% of 13 tracked portable power stations
| Owner sentiment | 4.0 | |
| Recommendations | 2.8 | |
| Spec score | Not rated | |
| Value | 3.0 |
How these are computed: methodology. Components without evidence show “Not rated” and their weight moves to the others.
Is the EcoFlow DELTA 2 Max worth it?
Based on 8 Reddit owner comments, the EcoFlow DELTA 2 Max scores 3.5 out of 5 (owner comments average 4.0 stars), and the theme owners raise most is capacity (4 mentions).
Who it suits
- You care about capacity (4 positive owner mentions)
- You care about ups backup (2 positive owner mentions)
- You care about solar charging (2 positive owner mentions)
Who should skip it
- Not observed: no recurring complaint theme yet.
What Reddit owners say
7 positive and 0 critical owner comments. Quotes link to the original Reddit comment.
Key specs
As listed on the Amazon product page we checked; missing fields are never estimated.
- Fuel up 80% in Only 43 Mins: With DELTA 2 Max's upgraded tech, combine up to 1000W solar input with AC for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with AC for an 80% charge in a speedy 1.1 hour
- 10-Year Long-Lasting LFP Battery: LFP battery chemistry provides 3000 cycles till it lowers to 80% capacity. That's 6 more cycles than the industry average and more cost-efficient. EcoFlow DELTA2 Max electric generator also comes with an extended 5-year service
- Expandable Capacity from 2kWh to 6kWh: Triple the capacity of DELTA 2 Max with up to 2 extra solar powered batteries. Customize your energy depending on your needs. With a plug-and-play design, it's easier than ever to prepare for blackouts
- Power 99% of Your Household Devices: Run pretty much any of your home appliances with up to 2400W. With 15 outlets, there's space for any device, and using X-Boost mode, power high-wattage appliances with up to 3400W
- Quiet Charging: With volume levels starting from only 30 dB, DELTA 2 Max outdoor generator powers devices overnight without disturbing sleep. Use the EcoFlow app to manage your energy use, set automations, and more
- Multiple Charging Options: Supports solar panel charging, AC wall outlet charging, and car charging to provide flexible power solutions for home backup, outdoor activities, and emergency situations
| Wattage | 2048 watt-hours |
|---|---|
| Fuel Type | electric |
| Power Source | Solar Powered |
| Recommended Uses For Product | Home Backup |
| Voltage | 120 volts |
| Output Wattage | 3400 watts |
| Additional Features | 10-Year Long-Lasting LFP battery, 2400W LFP Solar Generator, As Quiet as 30 dB, Expandable Capacity. Up to 6kWh, No fumes. No noise. No maintenance. |
| Engine Type | 4 Stroke |
| Ignition System Type | electric |
| Engine Displacement | 79 cubic centimeters |
| Total Power Outlets | 6 |
| Engine Power Maximum | 2400 watts |
| Starting Wattage | 4800 watts |
| Running Wattage | 2400 watts |
| Frequency | 60 hertz |
| Runtime | 43 minutes |
| Color | Black&Grey |
| Material Type | ABS |
| Brand Name | EF ECOFLOW |
| Included Components | AC Charging Cable *1, EcoFlow DELTA 2 Max Portable Power Station*1 |
| Model Name | DELTA2 Max |
| Model Number | EFD350 |
| Item Highlight | 2400W LFP Solar Generator, Full Charge in 1 Hr, Solar Powered Generator for Home Backup Camping RV, Solar Panel Optional |
| Number of Items | 1 |
CA Fire Supply is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Commissions never affect scores, rankings, or verdicts.
FAQ
Is the EcoFlow DELTA 2 Max worth it?
Based on 8 Reddit owner comments, the EcoFlow DELTA 2 Max scores 3.5 out of 5 (owner comments average 4.0 stars), and the theme owners raise most is capacity (4 mentions).
What do Reddit owners complain about with the EcoFlow DELTA 2 Max?
We have not observed a recurring complaint theme in owner comments yet.
How much does the EcoFlow DELTA 2 Max cost?
It was $1,028.99 on Amazon when we checked on 2026-11-07. Prices change, so check Amazon for the current price.
Alternatives
EcoFlow DELTA 2
3.8 (35 owner comments)
$1,028.99 (price as of 2026-11-07)
“Now I have an EcoFlow Delta 2 Max with an expansion battery and two 5kwh server rack batteries retrofitted to feed into the solar input ports if neede”
Read review →3.5 (8 owner comments)
$949.00 (price as of 2026-11-07)
“This is the older Jackery 1000 (which I have 2 of).”
Read review →EcoFlow DELTA 3 Plus
3.8 (16 owner comments)
$719.00 (price as of 2026-11-07)
“For middle of the pack, like say Delta 3 Plus I find them to be very comfortable.”
Read review →Keep deciding
More EcoFlowAll portable power stationsBuying guideMethodology
Last updated 2026-11-07. Amazon listing ASIN B0C4DW17PD.