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EF ECOFLOW Portable Power Station DELTA 3 Plus, vs EnginStar Portable Power Station 300W

Updated July 2026 — EF ECOFLOW Portable Power Station DELTA 3 Plus, wins on cycles and output, EnginStar Portable Power Station 300W wins on charging time.

The EF ECOFLOW DELTA 3 Plus is a superior choice for high capacity and fast charging, while the EnginStar is a budget-friendly option for lighter use.

Why EF ECOFLOW Portable Power Station DELTA 3 Plus, is better

Higher Capacity

DELTA 3 Plus has 1024Wh vs EnginStar's 296Wh

Faster Charging

DELTA 3 Plus charges to 80% in 40 mins vs EnginStar's 2 hours

More Outputs

DELTA 3 Plus can power 13 appliances simultaneously

Why EnginStar Portable Power Station 300W is better

Portability

EnginStar weighs only 6.5 pounds

Price

EnginStar is $199.99 vs DELTA 3 Plus at $899.00

Compact Size

EnginStar dimensions are 9 x 5.5 x 7.5 inches

Overall score

EF ECOFLOW Portable Power Station DELTA 3 Plus,
88
EnginStar Portable Power Station 300W
65

Specifications

SpecEF ECOFLOW Portable Power Station DELTA 3 Plus,EnginStar Portable Power Station 300W
Battery TypeLiFePO4Lithium Ion
AC Output1800W300W
USB Output140W18W
Charging Options53
Safety FeaturesUPS ProtectionMulti-layered

Dimension comparison

EF ECOFLOW Portable Power Station DELTA 3 Plus,EnginStar Portable Power Station 300W

Price Comparison

When it comes to price, the EnginStar Portable Power Station is significantly more affordable than the EF ECOFLOW Portable Power Station DELTA 3 Plus. At $199.99, the EnginStar is roughly 78% cheaper than the DELTA 3 Plus, which retails for $899.00. This makes the EnginStar an attractive option for those on a budget or for individuals who need a power station for light use, while the DELTA 3 Plus is aimed at users looking for higher capacity and more features.

Power Output and Capacity

The EF ECOFLOW DELTA 3 Plus leads in power output and capacity with a robust 1024Wh LiFePO4 battery and a continuous output of 1800W. In contrast, the EnginStar offers a much smaller capacity of 296Wh and an output of 300W. This difference means that the DELTA 3 Plus can support more demanding devices and multiple appliances simultaneously, making it ideal for extended camping trips or emergency power needs. In contrast, the EnginStar is better suited for charging smaller devices and providing temporary power during shorter outings.

Charging Options

The EF ECOFLOW DELTA 3 Plus provides five fast charging options, including AC and solar charging, allowing it to reach 80% in just 40 minutes under optimal conditions. This quick recharging capability is beneficial for users needing immediate access to power. The EnginStar, while offering multiple charging methods, can only achieve 80% charge in two hours, which is substantially slower. If fast recharging is a priority, the DELTA 3 Plus outshines the EnginStar significantly.

Portability and Design

Portability is a strong point for the EnginStar, which weighs only 6.5 pounds and measures 9 x 5.5 x 7.5 inches, making it easy to carry during outdoor activities. The EF ECOFLOW DELTA 3 Plus, on the other hand, is heavier and larger, designed for more stationary use. Its robust build and additional features come at the expense of portability. Thus, if you're looking for a power station for camping or light travel, the EnginStar’s design makes it a more practical choice.

Durability and Lifespan

The EF ECOFLOW DELTA 3 Plus boasts impressive durability, backed by its LiFePO4 battery technology, which offers 4000 cycles to 80% capacity and a lifespan of around 10 years. It is also rated IP65, providing water and dust resistance. Meanwhile, the EnginStar features a battery management system aimed at safety with over 1000 charge cycles. While both products are reliable, the DELTA 3 Plus is built for long-term use and resilience in harsher conditions, making it a better investment for frequent power users.

Safety Features

Safety is paramount in both products, but the DELTA 3 Plus offers advanced features such as UPS protection with a 10 ms switch-over time, ideal for sensitive electronics and critical backup applications. In contrast, the EnginStar includes a multi-layered safety design, protecting against short circuits and overcharging. While both products prioritize user safety, the DELTA 3 Plus is more suited to users who require superior protection for sensitive devices.

Application Versatility

The EF ECOFLOW DELTA 3 Plus can power 13 appliances simultaneously and supports resistive appliances demanding over 2200W, making it an excellent choice for more extensive setups, such as home backup, RV use, or during emergencies. In contrast, the EnginStar is designed for lighter applications, ideal for charging phones, laptops, and small camping gear. If versatility and the ability to power multiple devices are crucial for your needs, the DELTA 3 Plus stands out as the superior option.

Which should you buy?

Deciding between the EF ECOFLOW Portable Power Station DELTA 3 Plus and the EnginStar Portable Power Station ultimately depends on your specific needs and budget. The DELTA 3 Plus is a premium choice for those who require high capacity, fast charging, and extensive safety features, making it ideal for serious outdoor enthusiasts or emergency power needs. However, if you're seeking a lightweight, budget-friendly option for casual use, the EnginStar offers sufficient power for everyday devices without breaking the bank. Each product serves a different segment of the market, ensuring that there's a suitable option for varying power requirements.