The difference that matters
The Dabbsson DBS3500 Portable Power Station is listed $400 lower. Per kWh of storage the Dabbsson DBS3500 Portable Power Station costs less ($466 vs $651). The EcoFlow DELTA 3 Ultra Series Portable Power Station (3072Wh) is lighter (1.3 lb vs 90.5 lb).
Side by side
| Specification | Dabbsson DBS3500 Portable Power Station | EcoFlow DELTA 3 Ultra Series Portable Power Station (3072Wh) |
|---|---|---|
| Brand | DABBSSON | EcoFlow |
| Battery capacity | 3,430 Wh | 3,072 Wh |
| Continuous AC output | 3,600 W | 3,600 W |
| Surge output (as stated) | — | — |
| Battery chemistry | — | LiFePO4 |
| Cycle life | 4,500 cycles | — |
| Solar input (as stated) | 2,400 W | — |
| AC charging input | 1,800 W | — |
| Weight | 90.5 lb | 1.3 lb |
| Warranty | 5 Years | 5-Year Warranty |
| Usable energy (Wattstanding calc, 85%) | 2,916 Wh | 2,611 Wh |
| Refrigerator runtime (calc) | 2.0 days | 43.5 h |
| Price per kWh of storage (calc) | $466 | $651 |
| Price seen | $1,599 | $1,999 |
| Sellers | 1 | 1 |
Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.
Which should you choose?
Dabbsson DBS3500 Portable Power Station
Choose the Dabbsson DBS3500 Portable Power Station if price decides it or you want the most energy per dollar.
EcoFlow DELTA 3 Ultra Series Portable Power Station (3072Wh)
Choose the EcoFlow DELTA 3 Ultra Series Portable Power Station (3072Wh) if you will carry it often.
Before you buy either
- Total your loads with the appliance load & runtime calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure