EF ECOFLOW DELTA 2 Smart Extra Battery, vs Jackery Portable Power Station Explorer 300,
Updated July 2026 — EF ECOFLOW DELTA 2 Smart Extra Battery, wins on cycles and output, Jackery Portable Power Station Explorer 300, wins on charge time and weight.
The EF ECOFLOW DELTA 2 offers superior capacity and features, making it the better choice for extensive power needs, while the Jackery Explorer 300 excels in portability and ease of use.
Why EF ECOFLOW DELTA 2 Smart Extra Battery, is better
Higher Capacity
DELTA 2 has 1024Wh vs Explorer 300's 293Wh
Faster Charging
DELTA 2 charges from 0-80% in 80 mins
More Outlets
DELTA 2 can power 90% of home appliances
Why Jackery Portable Power Station Explorer 300, is better
Lightweight
Explorer 300 weighs only 7.1 pounds
Quick Recharge
Explorer 300 recharges to 80% in 2 hours
User-Friendly
Explorer 300 has a straightforward design
Overall score
Specifications
| Spec | EF ECOFLOW DELTA 2 Smart Extra Battery, | Jackery Portable Power Station Explorer 300, |
|---|---|---|
| Brand | EF ECOFLOW | Jackery |
| Price | $379.00 | $284.97 |
| Safety | LiFePO4 | Pure Sine Wave |
| Solar Compatible | Yes | Yes |
| App Control | Yes | No |
Dimension comparison
Overview of the Products
The EF ECOFLOW DELTA 2 Smart Extra Battery and the Jackery Portable Power Station Explorer 300 are two versatile power solutions for outdoor and emergency use. The DELTA 2 is priced at $379.00, while the Explorer 300 is about 17% cheaper at $284.97. Both products offer unique features tailored to different power needs, making them suitable for various situations.
Battery Capacity and Power Output
The EF ECOFLOW DELTA 2 Smart Extra Battery boasts an impressive capacity of 1024Wh, which can expand to 2048Wh when paired with the DELTA 2. In contrast, the Jackery Explorer 300 has a smaller capacity of 293Wh. This significant difference means the DELTA 2 is better suited for extended use or powering larger devices, while the Explorer 300 may be ideal for short trips or smaller electronics. The DELTA 2 provides an output of 1800W, allowing it to power 90% of home appliances, while the Explorer 300 delivers a stable 300W, making it more suitable for charging smaller devices simultaneously.
Charging Options and Speed
When it comes to charging options, the DELTA 2 offers multiple methods, including AC outlets, car outlets, and solar panels, allowing for versatile charging setups. It can charge from 0% to 80% in just 80 minutes, which is particularly impressive. The Jackery Explorer 300, while also versatile, is noted for its rapid recharge capabilities, taking only 2 hours to reach 80% using a wall outlet and a 60W PD USB-C port simultaneously. This makes it convenient for users on the go who need quick power access.
Portability and Weight
Portability is a strong point for the Jackery Explorer 300, weighing in at only 7.1 pounds. This lightweight design makes it an excellent choice for camping and outdoor activities where mobility is essential. The DELTA 2, while offering more capacity and power, does not feature specific weight information in the provided data. However, given its larger capacity, it is likely heavier than the Jackery. Those prioritizing portability may find the Explorer 300 more appealing, especially for travel.
Usability and Control Features
The usability of both products is enhanced by their user-friendly designs, but the DELTA 2 stands out with its onboard LCD screen and EcoFlow app, which allows users to monitor remaining charge, output, and various settings. This level of control and information is beneficial for users who want to manage their power usage actively. The Jackery Explorer 300, while it doesn't mention digital monitoring features, is designed to be straightforward and easy to use, catering to those who prefer simplicity in their portable power solutions.
Safety and Stability
Safety is a critical factor in any power solution, and both brands deliver on this front. The DELTA 2 utilizes LiFePO4 battery chemistry, which is known for its longevity and safety, boasting over 3000 cycles. The Jackery Explorer 300 also ensures a safe power supply with its pure sine wave AC outlets, which deliver stable power to sensitive devices. While both products prioritize safety, the DELTA 2's extended cycle life may provide a long-term advantage for users concerned about battery longevity.
Environmental Considerations
Both power stations are compatible with solar panels, allowing users to harness renewable energy. The DELTA 2 can charge using solar panels, while the Jackery Explorer 300 is specifically designed to work with the Jackery SolarSaga 100, making them both environmentally friendly options. However, the Explorer 300's integrated MPPT controller facilitates more efficient solar charging, which might appeal to eco-conscious users looking for sustainable power solutions.
Which should you buy?
Choosing between the EF ECOFLOW DELTA 2 Smart Extra Battery and the Jackery Portable Power Station Explorer 300 largely depends on your specific power needs and usage scenarios. If you require a high-capacity solution with fast charging and extensive monitoring capabilities, the DELTA 2 is worth the investment at $379.00. However, if you're looking for a lightweight, portable option for short outings or charging smaller devices, the Jackery Explorer 300 at $284.97 offers excellent value and ease of use. Ultimately, your choice should align with your power requirements, budget, and intended use.

