EF ECOFLOW DELTA Pro Extra Battery vs Westinghouse 11000 Peak Watt Dual Fuel Portable
Updated July 2026 — EF ECOFLOW DELTA Pro Extra Battery wins on charging and portability, Westinghouse 11000 Peak Watt Dual Fuel Portable wins on power and runtime.
The EF ECOFLOW DELTA Pro Extra Battery is ideal for quick recharging and compact use, while the Westinghouse generator excels in power capacity and runtime. Choose based on your specific power needs.
Why EF ECOFLOW DELTA Pro Extra Battery is better
Quick Charge
Charges in 2.7 hours
Compact Size
Easier to transport
Smart Control
EcoFlow app for monitoring
Why Westinghouse 11000 Peak Watt Dual Fuel Portable is better
Higher Capacity
11,000 peak watts
Long Runtime
Up to 17 hours on fuel
Dual Fuel
Operates on gas and propane
Overall score
Specifications
| Spec | EF ECOFLOW DELTA Pro Extra Battery | Westinghouse 11000 Peak Watt Dual Fuel Portable |
|---|---|---|
| Price | $1199.00 | $1899.00 |
| Battery Capacity | 3.6 kWh | N/A |
| Peak Watts | N/A | 11,000 |
| Fuel Type | Battery | Dual Fuel |
| Weight | 48 lbs | 200 lbs |
Dimension comparison
Overview
The EF ECOFLOW DELTA Pro Extra Battery and the Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator are two high-capacity power solutions designed for different user needs. The DELTA Pro Extra Battery is priced at $1,199.00, while the Westinghouse generator comes in at $1,899.00, making it about 58% more expensive than the DELTA Pro. Both products cater to users requiring reliable power sources, but their functionalities and applications differ significantly.
Power Capacity
The DELTA Pro Extra Battery offers a notable capacity of 3.6 kWh, which can be expanded to 7.2 kWh when paired with an extra battery. This flexibility allows users to power essential appliances for extended periods, making it ideal for home backup and camping. In contrast, the Westinghouse generator provides 9,000 running watts and 11,000 peak watts when using gasoline, and 8,100 running watts and 10,000 peak watts on propane. The generator's higher capacity makes it suitable for powering larger appliances simultaneously, which is particularly beneficial during power outages.
Charging and Runtime
Charging and runtime capabilities set these two products apart. The DELTA Pro Extra Battery can be charged in just 2.7 hours, allowing users to quickly replenish their power supply. It also supports various charging methods, ensuring that power can be accessed anytime, anywhere. On the other hand, the Westinghouse generator boasts a runtime of up to 17 hours on a 9.8-gallon fuel tank, making it an excellent choice for extended use without frequent refueling. For users prioritizing quick recharging, the DELTA Pro Extra Battery excels, while those needing prolonged runtime might prefer the Westinghouse generator.
Versatility and Applications
The versatility of each device is tailored to specific situations. The DELTA Pro Extra Battery is primarily designed for home use, camping, and backup power during blackouts. Its ability to connect to the EcoFlow app for remote monitoring enhances its usability. Conversely, the Westinghouse generator shines in diverse scenarios, offering dual fuel options (gas and propane) and remote electric start capabilities. This makes it a great choice for both home backup and outdoor activities, such as powering tools at a job site or appliances during a tailgate.
User-Friendly Features
User-friendliness is another area where these products differ. The DELTA Pro Extra Battery features a bright LCD screen that displays vital information like output, input, and remaining charge. The EcoFlow app also contributes to its smart control capabilities, allowing users to manage their power supply conveniently. In contrast, the Westinghouse generator includes a rotating digital display that shows fuel level, power output, and remaining run time, providing users with essential information at a glance. The inclusion of a remote start key fob further enhances the generator’s ease of use, especially for those who may need to operate it from a distance.
Safety Features
Safety is a critical consideration in power solutions, and both products incorporate essential features. The DELTA Pro Extra Battery is designed for safe use with its built-in monitoring capabilities, which keep users informed about the battery’s status. Meanwhile, the Westinghouse generator is equipped with a carbon monoxide (CO) sensor and automatic low oil shutdown features, ensuring safe operation during extended use. These safety measures provide peace of mind for users, although they cater to different aspects of safety relevant to their respective power sources.
Price Comparison
Price is a significant factor when deciding between these two products. The DELTA Pro Extra Battery is available for $1,199.00, while the Westinghouse generator is priced at $1,899.00, making the generator about 58% more expensive. For consumers on a budget or those who primarily need a reliable battery backup for shorter durations, the DELTA Pro Extra Battery presents a more economical option. However, for users who require higher power output and longer runtimes, the investment in the Westinghouse generator may be justified.
Which should you buy?
Choosing between the EF ECOFLOW DELTA Pro Extra Battery and the Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator ultimately depends on your specific power needs. If you require a compact, quickly rechargeable solution for home use and outdoor activities, the DELTA Pro Extra Battery is an excellent choice at $1,199.00. However, if you need a versatile generator capable of powering multiple large appliances for extended periods, the Westinghouse generator, despite its higher price of $1,899.00, offers greater capacity and runtime. Consider your power requirements and budget to make the best decision for your situation.

