DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit with vs FLEX 24V Brushless Cordless 6-Tool Combo Kit:
Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit with wins on charging and power, FLEX 24V Brushless Cordless 6-Tool Combo Kit: wins on sales rank and price.
The DEWALT kit offers excellent power and compatibility at a lower price, while the FLEX kit provides a wider range of tools for diverse tasks.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit with is better
Price
DEWALT kit is $374.99, cheaper than FLEX at $649.00.
Power
DEWALT hammer drill claims up to 42% more power with FLEXVOLT batteries.
Sales Rank
DEWALT has a better sales rank at 38,930 compared to FLEX at 205,950.
Why FLEX 24V Brushless Cordless 6-Tool Combo Kit: is better
Tool Variety
FLEX kit includes six tools compared to DEWALT's two.
Charging Speed
FLEX kit offers up to 50% faster charging.
Runtime
FLEX kit claims 25% longer runtime due to THERMA-TECH.
Overall score
Specifications
| Spec | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit with | FLEX 24V Brushless Cordless 6-Tool Combo Kit: |
|---|---|---|
| Hammer Drill | DCD999 | FX1251 |
| Impact Driver | DCF887 | FX1351 |
| Batteries | 2 x 5.0Ah | 1 x 2.5Ah, 1 x 5.0Ah |
| Charger | DCB1106 | 160W Fast Charger |
| LED Light | 20X Brighter | 300 lm |
Dimension comparison
Overview of the Products
The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit is priced at $374.99, making it about 42% cheaper than the FLEX 24V Brushless Cordless 6-Tool Combo Kit, which costs $649.00. This price difference reflects the varying capabilities and number of tools included in each kit. While the DEWALT kit features two tools, the FLEX kit includes six, offering a broader range of functionalities for the user.
The DEWALT kit features a hammer drill and an impact driver, both of which are designed to provide enhanced performance when paired with FLEXVOLT batteries. In contrast, the FLEX kit boasts a more extensive selection with tools such as a circular saw, reciprocating saw, and an oscillating multi-tool, catering to users looking for a comprehensive solution for multiple tasks.
Tool Variety and Functionality
The FLEX 24V Brushless Cordless 6-Tool Combo Kit stands out with its six tools, which include a hammer drill, hex impact driver, circular saw, multi-tool, reciprocating saw, and work light. This variety allows users to tackle a wide range of projects, from drilling and cutting to illumination. The DEWALT FLEXVOLT ADVANTAGE kit, with only two tools, is more limited in scope, primarily focusing on drilling and driving applications.
While the DEWALT combo excels in power, claiming up to 42% more power with FLEXVOLT batteries, the FLEX kit offers a well-rounded set of tools that can handle various tasks efficiently. Therefore, if versatility is a priority, the FLEX kit provides a stronger proposition for users who need multiple functionalities in one purchase.
Battery and Charging Systems
In terms of battery technology, the DEWALT FLEXVOLT ADVANTAGE kit includes two 5.0Ah batteries, supporting extended runtime and compatibility with all DEWALT 20V MAX* and FLEXVOLT batteries. The kit’s charger is also compatible with both battery types, adding to its convenience.
Conversely, the FLEX kit includes one 2.5Ah Lithium-Ion battery and one 5.0Ah battery, emphasizing faster charging capabilities with dual fan chargers. The FLEX system claims up to 50% faster charging and 25% longer runtime due to its THERMA-TECH heat management system. Users who prioritize rapid charging and extended use might find the FLEX kit more appealing, despite the fewer battery options.
Power and Performance
The DEWALT FLEXVOLT ADVANTAGE kit features the DCD999 hammer drill, which is designed to provide significant power, especially when used with FLEXVOLT batteries. This hammer drill produces increased performance, making it suitable for heavy-duty tasks. The impact driver in the DEWALT kit also provides added control to prevent over-tightening fasteners, which is crucial for precision work.
On the other hand, the FLEX kit’s hammer drill delivers a powerful 750 in-lbs of torque. The impact driver in this kit boasts a remarkable 1,800 in-lbs of torque and 3,400 RPM, highlighting its strength in driving fasteners quickly and effectively. While both kits offer strong performance, the specific tasks and user needs should guide the choice between the two.
Price Considerations
At $374.99, the DEWALT FLEXVOLT ADVANTAGE kit is significantly less expensive than the FLEX 24V Brushless kit, which retails for $649.00. This represents a difference of about $274, making the DEWALT kit a more budget-friendly option for those who need reliable tools without needing an extensive set.
However, it’s essential to consider what you are getting for that price. The FLEX kit includes a broader array of tools, which could justify the higher cost for users who require a complete toolset for various projects. Users should assess their specific needs and whether the additional tools in the FLEX kit outweigh the cost difference.
User Experience and Design
Both kits are designed with user experience in mind. The DEWALT kit features a 20X brighter LED light for visibility in dark spaces, enhancing usability in confined or poorly lit areas. Additionally, the DCD999 hammer drill has a spotlight mode for extended work time, making it practical for long projects.
In comparison, the FLEX kit includes advanced features such as a sensor-free brushless motor designed for higher efficiency and reduced friction. This technology promises a smoother user experience, particularly for heavy-duty applications. The inclusion of a work light in the FLEX kit also aids visibility, making it a practical choice for various job site conditions.
Customer Reviews and Popularity
The DEWALT FLEXVOLT ADVANTAGE kit has a sales rank of 38,930, indicating a solid level of popularity among users. Its combination of power, battery compatibility, and brand reputation contributes to its favorable reception.
In contrast, the FLEX kit has a sales rank of 205,950, suggesting it may not be as widely recognized or purchased as the DEWALT kit. This could be due to various factors, including brand loyalty, marketing, or the specific needs of consumers in the market for cordless tools.
Which should you buy?
Choosing between the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Combo Kit and the FLEX 24V Brushless Cordless 6-Tool Combo Kit ultimately depends on your specific needs and budget. If you require a robust and powerful hammer drill and impact driver for focused tasks, the DEWALT kit at $374.99 is an excellent choice, especially for those who value compatibility with existing DEWALT batteries.
However, if you are seeking versatility with a broader range of tools for various applications, the FLEX kit, despite its higher price of $649.00, offers more functionality worth considering. Evaluate your project requirements and determine which kit aligns best with your needs before making a decision.

