The difference that matters
The VTOMAN FlashSpeed Pro 3600 V-BEYOND Portable Power Station is listed $49 lower. The EcoFlow DELTA 3 Ultra Portable Power Station (3072Wh) is lighter (1.3 lb vs 83.8 lb).
Side by side
| Specification | EcoFlow DELTA 3 Ultra Portable Power Station (3072Wh) | VTOMAN FlashSpeed Pro 3600 V-BEYOND Portable Power Station |
|---|---|---|
| Brand | EcoFlow | Vtoman |
| Battery capacity | 3,072 Wh | 3,096 Wh |
| Continuous AC output | 3,600 W | 3,600 W |
| Surge output (as stated) | — | — |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life | — | — |
| Solar input (as stated) | — | 200 W |
| AC charging input | — | — |
| Weight | 1.3 lb | 83.8 lb |
| Warranty | 5-Year Warranty | — |
| Usable energy (Wattstanding calc, 85%) | 2,611 Wh | 2,632 Wh |
| Refrigerator runtime (calc) | 43.5 h | 43.9 h |
| Price per kWh of storage (calc) | $439 | $420 |
| Price seen | $1,349 | $1,300 |
| 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?
EcoFlow DELTA 3 Ultra Portable Power Station (3072Wh)
Choose the EcoFlow DELTA 3 Ultra Portable Power Station (3072Wh) if you will carry it often.
VTOMAN FlashSpeed Pro 3600 V-BEYOND Portable Power Station
Choose the VTOMAN FlashSpeed Pro 3600 V-BEYOND Portable Power Station if price decides 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