EF ECOFLOW Portable Power Station DELTA 2, vs Westinghouse
Updated July 2026 — EF ECOFLOW Portable Power Station DELTA 2, wins on charging and price, Westinghouse wins on output and runtime.
The EF ECOFLOW DELTA 2 is a more portable and cost-effective option, while the Westinghouse generator excels in power output and runtime.
Why EF ECOFLOW Portable Power Station DELTA 2, is better
Price
DELTA 2 is $449, significantly cheaper than Westinghouse.
Portability
DELTA 2 is lighter and more compact for travel.
Charging Speed
DELTA 2 charges to 80% in 50 minutes.
Why Westinghouse is better
Power Output
Westinghouse provides 12,500 peak watts.
Runtime
Westinghouse runs for up to 12 hours on a full tank.
Safety Features
Westinghouse includes automatic low oil shutdown.
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station DELTA 2, | Westinghouse |
|---|---|---|
| Peak Watts | 1800W | 12500W |
| Running Watts | 1800W | 9500W |
| Fuel Type | Battery | Dual Fuel |
| Charge Time | 50 mins | N/A |
| Cycle Life | 3000+ | N/A |
Dimension comparison
Overview
The EF ECOFLOW Portable Power Station DELTA 2 and the Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator serve distinct needs in power generation, yet they cater to similar audiences. The DELTA 2 is priced at $449.00, while the Westinghouse generator costs $999.00, making the DELTA 2 about 55% cheaper. This price difference reflects the differing capabilities and intended uses of each device.
Power Output
When it comes to power output, the Westinghouse generator significantly outshines the DELTA 2. The Westinghouse provides 12,500 peak watts and 9,500 running watts when using gasoline, while it still offers impressive output on propane. In contrast, the DELTA 2 has a maximum output of 1,800 watts. For users needing to power heavy appliances like air conditioners or refrigerators simultaneously, the Westinghouse is the clear winner.
Portability
The DELTA 2 is designed with portability in mind, weighing less and featuring a compact design, making it ideal for camping and RV trips. It can be charged via solar panels, adding to its outdoor usability. The Westinghouse generator, while also portable, is bulkier and may require more effort to transport, given its size and weight. Users looking for a lightweight and easily transportable option will find the DELTA 2 more suitable for their needs.
Charging Options
The EF ECOFLOW Portable Power Station DELTA 2 offers advanced charging capabilities with the ability to reach 80% charge in just 50 minutes. It supports solar charging with an input of up to 500 watts. On the other hand, the Westinghouse generator utilizes traditional fuel sources and does not offer solar charging. If speed and versatility in charging methods are a priority, the DELTA 2 excels in this category.
Runtime
The runtime of the Westinghouse generator is impressive, capable of running for up to 12 hours on a full 6.6-gallon fuel tank. This makes it an excellent option for longer power needs, such as during storms or extended outages. Conversely, the DELTA 2's runtime depends on the connected devices and usage but is limited compared to the fuel-based generator. Users requiring long-lasting power during emergencies may prefer the Westinghouse for its sustained output.
Battery Technology
The DELTA 2 utilizes advanced LiFePO4 (LFP) battery technology, which offers a cycle life of over 3,000 charges, ensuring long-term usability. In contrast, the Westinghouse generator operates on gasoline or propane and does not have a battery-based system. Those who prioritize battery longevity and less environmental impact may favor the DELTA 2, while users who need immediate, high-powered energy might lean towards the Westinghouse.
Safety Features
Safety is a crucial aspect of both products. The Westinghouse generator includes automatic low oil shutdown and GFCI outlets, enhancing safety during operation. The DELTA 2 features a sophisticated battery management system designed to keep the device safe during use. Both products are equipped with safety features, but the Westinghouse offers more robust protection for fuel-based operation, making it suitable for home backup.
Price Comparison
At $449.00, the DELTA 2 is significantly cheaper than the Westinghouse, which retails for $999.00, making the latter about 55% more expensive. This price difference reflects the distinct functionalities of each generator. Budget-conscious consumers or those needing a portable solution for short-term use will find the DELTA 2 appealing, while those requiring substantial power for longer durations may justify the higher cost of the Westinghouse.
Which should you buy?
Choosing between the EF ECOFLOW Portable Power Station DELTA 2 and the Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator depends heavily on your power needs. If you prioritize portability, quick charging, and battery longevity, the DELTA 2 is the better choice at a lower price point. However, for users requiring substantial power output for extended periods, especially during emergencies, the Westinghouse generator represents a stronger investment despite its higher cost. Ultimately, your decision should align with your specific power requirements and usage scenarios.

