The difference that matters
The ALLPOWERS R4000 Portable Power Station is listed $100 lower. Per kWh of storage the ALLPOWERS R4000 Portable Power Station costs less ($549 vs $651).
Side by side
| Specification | ALLPOWERS R4000 Portable Power Station | EcoFlow DELTA 3 Ultra Series Portable Power Station (3072Wh) |
|---|---|---|
| Brand | ALLPOWERS | EcoFlow |
| Battery capacity | 3,456 Wh | 3,072 Wh |
| Continuous AC output | 3,600 W | 3,600 W |
| Surge output (as stated) | — | — |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life | — | — |
| Solar input (as stated) | 2,000 W | — |
| AC charging input | — | — |
| Weight | — | 1.3 lb |
| Warranty | — | 5-Year Warranty |
| Usable energy (Wattstanding calc, 85%) | 2,938 Wh | 2,611 Wh |
| Refrigerator runtime (calc) | 2.0 days | 43.5 h |
| Price per kWh of storage (calc) | $549 | $651 |
| Price seen | $1,899 | $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?
ALLPOWERS R4000 Portable Power Station
Choose the ALLPOWERS R4000 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 prefer its maker, seller or ecosystem — the published figures do not favour it.
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