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EF ECOFLOW Portable Power Station DELTA 2, vs DARAN Portable Power Station 28,

Updated July 2026 — EF ECOFLOW Portable Power Station DELTA 2, wins on output and battery, DARAN Portable Power Station 28, wins on cycles and charge time.

The EF ECOFLOW DELTA 2 is a powerful and versatile option for serious power needs, while the Portable Power Station 28 is a budget-friendly choice for light use.

Why EF ECOFLOW Portable Power Station DELTA 2, is better

Higher Output

DELTA 2 offers 1800W output compared to 100W of Portable Power Station 28.

Faster Charging

DELTA 2 charges to 80% in 50 minutes, while Portable Power Station 28 takes 1.5 hours.

Expandable Capacity

DELTA 2 allows for adding extra batteries for increased capacity.

Why DARAN Portable Power Station 28, is better

Lower Price

Portable Power Station 28 is priced at $89.99, significantly cheaper than DELTA 2.

Compact Size

Portable Power Station 28 is lightweight and fits easily in a backpack.

Ease of Use

Designed for casual users needing quick power solutions.

Overall score

EF ECOFLOW Portable Power Station DELTA 2,
90
DARAN Portable Power Station 28,
70

Specifications

SpecEF ECOFLOW Portable Power Station DELTA 2,DARAN Portable Power Station 28,
BrandEF ECOFLOWDARAN
Price$449.00$89.99
Capacity1024Wh28,000mAh
Output Power1800W100W
Charge Speed0-80% in 50 mins0-80% in 90 mins

Dimension comparison

EF ECOFLOW Portable Power Station DELTA 2,DARAN Portable Power Station 28,

Overview of the EF ECOFLOW Portable Power Station DELTA 2

The EF ECOFLOW Portable Power Station DELTA 2 is a robust power solution designed for both home backup and outdoor adventures. Priced at $449.00, it features a 1024Wh LiFePO4 battery and can output 1800W AC power, making it capable of powering a wide range of appliances. With a sales rank of 692, it’s positioned well in the market for portable power stations.

The DELTA 2 is known for its fast charging capabilities, reaching 80% in just 50 minutes and fully charging in 80 minutes with AC input. This speed is particularly beneficial for users in need of immediate power. Additionally, it supports expandable capacity, allowing users to add extra batteries to increase total power output up to 3kWh, making it versatile for various settings, from camping to RV trips.

Overview of the Portable Power Station 28

In contrast, the Portable Power Station 28 is significantly more affordable at $89.99, targeting users who need a compact power solution. It has a capacity of 28,000mAh, which translates to approximately 89.6Wh, and outputs 100W (200W peak). With a sales rank of 1216, it is also a popular choice, especially for casual users and those needing emergency backup.

This portable power station is designed to be portable and easy to use, weighing only 2.54 pounds and fitting comfortably in a backpack. Its fast charging technology allows it to reach 80% in just 1.5 hours, making it suitable for outdoor activities where quick power is essential. However, its output limits it to powering smaller devices, which may restrict its usability in more demanding situations.

Charging Capabilities

When it comes to charging capabilities, the DELTA 2 significantly outperforms the Portable Power Station 28. The DELTA 2 can charge from 0-80% in just 50 minutes using AC input and offers a solar charging option up to 500W, making it an ideal choice for off-grid adventures. In comparison, the Portable Power Station 28 takes 1.5 hours to reach 80% using its fast charging technology, which is slower than the DELTA 2.

Moreover, the DELTA 2’s ability to expand its capacity by adding extra batteries offers a flexibility that the Portable Power Station 28 does not provide. While the latter is limited to its internal battery, the DELTA 2 can accommodate a variety of uses, from home backup during outages to powering appliances during camping trips.

Portability and Design

Portability is a key selling point for both products, but they cater to different needs. The Portable Power Station 28 is designed to be compact, weighing only 2.54 pounds and measuring approximately the size of a smartphone. This makes it highly portable for users looking for a lightweight option for short trips or emergencies.

In contrast, the DELTA 2, while still portable, is heavier and bulkier at 1024Wh, making it less suitable for casual outings but more capable of handling larger power needs. Its design includes a robust structure intended for durability, which is essential for more demanding environments. Thus, the choice between these two depends on the user's need for power versus portability.

Output and Usability

The power output of these two stations reflects their intended use cases. The DELTA 2 offers a powerful 1800W output, making it capable of powering almost any appliance, which is particularly beneficial for users who require reliable energy sources for larger devices. Its 15 outlets also enhance usability, allowing multiple devices to be powered simultaneously.

On the other hand, the Portable Power Station 28 is limited to 100W output, which is sufficient for smaller devices like smartphones, laptops, and small appliances. This makes it less versatile for users who may need to power more than one device at a time. As such, the DELTA 2 stands out as a more robust solution for serious power needs, while the Portable Power Station 28 is more suited for light use.

Battery Life and Longevity

Battery longevity is a crucial factor for any portable power solution. The DELTA 2 boasts a LiFePO4 battery with a cycle life of over 3000 cycles, significantly outperforming standard lithium batteries. This offers users years of reliable use, making it a solid investment for long-term power needs.

In comparison, the Portable Power Station 28 also features a LiFePO4 battery but with a slightly shorter expected lifespan of about 3500 cycles. While this is still impressive, its lower capacity and output mean users may find themselves needing to recharge it more frequently, especially under heavy use.

Price Comparison

The price difference between these two products is substantial, with the DELTA 2 priced at $449.00 and the Portable Power Station 28 at $89.99. This makes the Portable Power Station 28 about 80% cheaper than the DELTA 2. However, the lower price comes with significant compromises in power output and versatility.

If budget constraints are a primary concern, the Portable Power Station 28 offers essential features at an accessible price. However, for those seeking a more powerful, long-lasting solution, the DELTA 2 justifies its higher price point with stronger capabilities and enhanced usability.

Which should you buy?

In conclusion, your choice between the EF ECOFLOW Portable Power Station DELTA 2 and the Portable Power Station 28 largely depends on your power needs and budget. If you require a high-output, versatile power solution for home backup or extensive outdoor use, the DELTA 2 is the clear winner, despite its higher price. However, if you need a compact, budget-friendly option for light use or emergency situations, the Portable Power Station 28 is a solid choice. Consider what you value most—power and longevity or portability and price—before making your decision.