EXCELFU Generator Interlock Kit Compatible with Eaton vs powkey Solar Powered Generator 100W Rated,
Updated July 2026 — full head-to-head comparison.
Overview of Generator Interlock Kit and Solar Powered Generator
The Generator Interlock Kit and the powkey Solar Powered Generator serve different purposes in the realm of power solutions. The Generator Interlock Kit is primarily designed for safely connecting a portable generator to an electrical panel during power outages, while the powkey Solar Powered Generator functions as a portable power station that harnesses solar energy.
The Generator Interlock Kit is priced at $15.99, making it a budget-friendly option for those needing a safe way to backfeed power to their homes during outages. In contrast, the powkey Solar Powered Generator is more expensive at $59.99, reflecting its multifunctional capabilities and solar panel inclusion.
Design and Build Quality
The design and build quality of each product cater to their specific functions. The Generator Interlock Kit features robust metal plates designed for durability and long-term use in electrical systems. Its installation process includes essential components like screws and a drill bit, emphasizing user-friendliness.
On the other hand, the powkey Solar Powered Generator weighs only 2.2 pounds and is compact enough to fit into backpacks or suitcases, making it highly portable. Its design incorporates a solar panel for energy conversion, showcasing a blend of practicality and modern technology. The lightweight nature of the powkey generator enhances its appeal for outdoor activities.
Compatibility and Usage
Compatibility is a crucial factor when choosing between these two products. The Generator Interlock Kit is specifically compatible with Eaton/Cutler Hammer BR Series panels, including both 150 and 200 amp models. This ensures that users have a safe method to connect their generators without needing a separate generator panel.
The powkey Solar Powered Generator, however, is versatile in its application. It features seven different outlets, including a 110V AC output and various USB ports, allowing it to power a multitude of devices from laptops to drones. This flexibility makes it an excellent choice for camping, home backup, or outdoor activities, demonstrating its wide usage potential.
Power Capacity and Efficiency
When it comes to power capacity, the powkey Solar Powered Generator outshines the Generator Interlock Kit. With a capacity of 97.68Wh, the powkey generator can support multiple devices at once, making it ideal for extended use during outdoor events or emergencies. Its solar panel also boasts a conversion efficiency of 20.5%, allowing it to perform well even in low-light conditions.
In contrast, the Generator Interlock Kit does not store or generate power; rather, it functions to safely transfer power from a portable generator to the home’s electrical system. Therefore, while the interlock kit ensures safety during power outages, it does not contribute to power capacity in the same way as the powkey generator.
Ease of Installation
Ease of installation is a significant consideration for consumers. The Generator Interlock Kit is designed for straightforward installation, providing all necessary components such as screws, nuts, and even a drill bit. This makes it accessible for users who may not have extensive electrical experience.
Conversely, the powkey Solar Powered Generator's setup is equally user-friendly. With four recharging modes—home outlet, car charger, USB-C port, and solar panel—users can easily recharge it wherever they are. The indicator lights for power usage also enhance user control and monitoring, allowing for an intuitive experience.
Price Comparison
Price is a defining factor for many consumers. The Generator Interlock Kit is priced at $15.99, which is about 73% less than the powkey Solar Powered Generator, which costs $59.99. This price difference reflects the distinct functionalities of each product.
While the interlock kit is an economical choice for those specifically seeking to connect their generators safely, the powkey generator offers more extensive capabilities, justifying its higher price. For users prioritizing budget, the interlock kit is a clear winner, whereas those needing portable power solutions may find the cost of the powkey generator acceptable given its features.
Sales Performance
Both products have demonstrated notable sales rankings, with the Generator Interlock Kit holding a bestseller rank of 15,112 and the powkey Solar Powered Generator at 13,747. This indicates that both products are popular choices within their respective categories, but the powkey generator slightly edges out in sales performance.
This difference suggests a greater demand for the powkey Solar Powered Generator, potentially due to its multifunctional capabilities and the increasing popularity of solar energy solutions among consumers.
Which should you buy?
Choosing between the Generator Interlock Kit and the powkey Solar Powered Generator ultimately hinges on your specific needs. If you require a safe, cost-effective solution for backfeeding power during outages, the Generator Interlock Kit is an excellent choice at just $15.99. However, if you are seeking a portable power station that can charge multiple devices and utilize solar energy, the powkey Solar Powered Generator, priced at $59.99, offers superior versatility and features. Evaluate your power needs and budget to determine the best option for your situation.

