
EFD311 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $3.99 | Condition is New, AC Power Cable For EF EcoFlow RIVER Delta Portable Power Station Backup Battery, shipping cost = $6.99 | 99.8% |
![]() | $1000.00 | Condition is New, EcoFlow EFD311 Delta Max 1600 Portable Power Station Solar Generator 2000W AC, FREE SHIPPING | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $59.99 | Condition is Used, Replacement Rear Panel for ECOFLOW Portable Power Station DELTA Max 2000, FREE SHIPPING | ![]() |
![]() | $59.99 | Condition is Used, Replacement FRONT PANEL for ECOFLOW Portable Power Station DELTA Max 1600, FREE SHIPPING | ![]() |
![]() | $499.00 | Condition is Used, EcoFlow DELTA Max 1600w Power Station Solar AC DC off grid Battery Bank, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.99 | Condition is Open box, Replacement SOLAR CHARGING BOARD ECOFLOW Power Station DELTA Max 2000, FREE SHIPPING | ![]() |

The EcoFlow EF Survey model (EFd311) is a versatile and powerful portable power station designed for various off-grid and on-the-go power needs. This eco-friendly device is compact yet mighty, boasting a sleek design and a capacity of 311Wh (11.1V, 28Ah).
The EFd311 is equipped with a lithium-ion battery, ensuring a long service life and excellent performance. It has a total output of 300W and can deliver a continuous power output of 200W, making it suitable for powering small appliances and tools. The power station also features a surge power output of 600W, allowing it to handle power-intensive devices for short periods.
This portable power station comes with several output ports, including two AC outlets, two USB-A ports, one USB-C PD port, and two DC carports. These various output options enable users to charge and power a wide range of devices, from smartphones and laptops to power tools and television sets.
The EFd311 is also equipped with a built-in MPPT solar charger, allowing it to be charged using solar panels. This eco-friendly charging method ensures that the power station is always ready to go, even when away from traditional power sources. Additionally, it can be charged using a wall outlet or a car charger.
The EcoFlow EFd311 power station also features a user-friendly LCD display, which shows the remaining battery capacity, input and output power, and other essential information. It also comes with a built-in fan to keep the battery cool during long periods of use, ensuring optimal performance and longevity.
This portable power station is lightweight and portable, making it an ideal companion for camping, tailgating, or emergency power outages. It also comes with a durable carrying handle and a built-in foldable stand, allowing for easy transportation and setup.
In summary, the EcoFlow EF Survey model (EFd311) is a versatile, powerful, and eco-friendly portable power station that can be used for various off-grid and on-the-go power needs. Its sleek design, multiple output options, and solar charging capabilities make it a must-have for anyone seeking reliable and sustainable power solutions.
The EcoFlow EFDI311 is a portable power station designed for outdoor and off-grid use. It offers several advantages and disadvantages that potential buyers should consider before making a purchase.
Advantages of EcoFlow EFDI311:1. High Capacity: With a capacity of 311Wh, the EFDI311 can power most small appliances and charge multiple devices at once.
2. Multiple Charging Options: The EFDI311 supports solar charging (up to 600W), AC wall outlets (110V-240V), and car charging (12V-25V). This versatility makes it an excellent choice for various charging scenarios.
3. Long Battery Life: The lithium iron phosphate (LiFePO4) batteries used in the EFDI311 have a longer lifespan compared to other battery types, ensuring a longer overall life of the power station.
4. Quiet Operation: The EFDI311 is relatively quiet when compared to other portable power stations, making it an ideal choice for camping or other quiet environments.
5. Durable Design: The EFDI311 is built to withstand harsh environments, making it suitable for outdoor use.
Disadvantages of EcoFlow EFDI311:1. Weight and Size: At 13.6 lbs (6.1 kg) and 10.5 x 8.3 x 8 inches (26.7 x 21 x 20.3 cm), the EFDI311 is heavier and larger than some other portable power stations in its class.
2. Price: The EFDI311 is more expensive than some other portable power stations with similar capacity.
3. Limited Output: The EFDI311 can only output a maximum of 600W continuously and 1200W surge, which might not be sufficient for powering high-demand appliances or tools.
4. Limited Number of Outlets: The EFDI311 has only two AC outlets and two USB-A ports, which might not be enough for charging multiple devices simultaneously.
Conclusion:The EcoFlow EFDI311 is a high-capacity, versatile, and durable portable power station that can power most small appliances and charge multiple devices at once. Its long battery life, multiple charging options, and quiet operation make it an excellent choice for outdoor and off-grid use. However, it is heavier and larger than some other portable power stations, and its price point might be a barrier for some buyers. If you need to power high-demand appliances or tools, you might want to consider a more powerful power station.
Recommendation:If you're looking for a portable power station for camping, tailgating, or other outdoor activities, the EcoFlow EFDI311 is an excellent choice due to its high capacity, multiple charging options, and durable design. However, if you're on a tight budget or need to power high-demand appliances, you might want to consider a less expensive or more powerful power station, respectively.
Details:
specifications slashgenerators:
- brand: Ecoflow
- mpn: Efd311
- model: Deltamax1600-us
- battery included: No
- power source: Wall Outlet Or Solar
- color: Gray
- battery type: Lithium-ion
- noise level: 40db
- type: Power Generator
- battery life: Depends On Amount Of Devices Being Powered
- maximum power: 2000w
- voltage: 120v
- item height: 24 In
- features: Easy Operation, Electric Start, Overload Protection, Usb Port
- country/region of manufacture: China
- application: Construction, Recreation, Tailgating
- item width: 14 In
- item weight: 50 Lbs
returns slashgenerators:
- policy: no returns
general slashgenerators:
- category: Home & Garden > Yard, Living > Outdoor Power Equipment > Generators
seller slashgenerators:
- rating: 100.0%
- city: oshkosh, wisconsin
- # reviews: 4
offer slashgenerators:
- prices: $59.99–$1000.00
- item condition:
- New
- Used
- Open box
- best offers: true
- started: may 2, 2025
- sold #: 18
- in stock #: 5
- availability: in stock
- options: ship-to-home
shipping slashgenerators:
- carrier: usps
- type: calculated
- transit: 5-11 days
- class: standard
- service: usps ground advantage
payments slashgenerators:
- credit card: diners-club
- other
- wallet: apple-pay
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