AOBEN Cordless Angle Grinder 4-1/ vs DEWALT FLEXVOLT 60V MAX* Angle Grinder with
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on price and weight, DEWALT FLEXVOLT 60V MAX* Angle Grinder with wins on safety and power.
The AOBEN Cordless Angle Grinder offers great value for light tasks, while the DEWALT FLEXVOLT excels in power and safety features for heavy-duty applications.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Price
AOBEN is significantly cheaper at $79.99.
Portability
AOBEN is lightweight and compact for easy handling.
Battery Life
AOBEN includes two 4.0Ah batteries for extended use.
Why DEWALT FLEXVOLT 60V MAX* Angle Grinder with is better
Power
DEWALT has a 13 Amp motor for heavy-duty tasks.
Safety
DEWALT features advanced kickback brake technology.
Speed
DEWALT operates at 9000 RPM for larger wheels.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | DEWALT FLEXVOLT 60V MAX* Angle Grinder with |
|---|---|---|
| Motor | Brushless | 13 Amp |
| Max RPM | 9500 | 9000 |
| Battery Type | 21V | 60V |
| Weight | 5.5 lbs | 6.5 lbs |
| Kickback Brake | No | Yes |
Dimension comparison
Overview of the AOBEN Cordless Angle Grinder
The AOBEN Cordless Angle Grinder offers a compelling option for users looking for an efficient and versatile power tool at a lower price point. Priced at $79.99, it is about 71% cheaper than the DEWALT FLEXVOLT, which retails for $273.80. With a brushless motor and a variety of features aimed at enhancing user experience, this grinder is particularly suited for metal cutting, grinding, and polishing.
Equipped with a 21V battery and two 4.0Ah battery packs, the AOBEN grinder ensures prolonged operation without the constraints of a power cord. Its adjustable speed settings, capable of reaching up to 9500 RPM, make it adaptable for various tasks. Furthermore, the inclusion of two protective wheel guards adds an element of safety during use, making it a practical choice for both novice and seasoned users.
Overview of the DEWALT FLEXVOLT Angle Grinder
The DEWALT FLEXVOLT 60V MAX Angle Grinder offers superior power and advanced features designed for tough jobs. Priced at $273.80, it is positioned as a premium product in the market, reflecting its high-performance capabilities. With a 13 Amp motor that provides the equivalent power of corded tools, this grinder is engineered for heavy-duty applications.
Its no-load speed reaches 9000 RPM, optimized for use with 6-inch grinder wheels. The DEWALT grinder also features advanced safety mechanisms, including a kickback brake that engages during a pinch or stall event, ensuring user protection. This level of sophistication makes the DEWALT grinder ideal for professionals who require reliability and power in their tools.
Power and Performance
When it comes to power and performance, the DEWALT FLEXVOLT clearly leads the pack. With a 13 Amp motor equivalent, it delivers robust performance, making it suitable for heavy-duty tasks. The AOBEN grinder, while effective, operates at a maximum speed of 9500 RPM and is powered by a 21V battery, which may limit its performance compared to the DEWALT model.
The DEWALT’s ability to utilize up to 30% more power than its predecessor, the DCG414, further emphasizes its capability. This makes it particularly advantageous for users who frequently engage in tough cutting, grinding, and polishing tasks. While the AOBEN is a solid choice for lighter applications, the DEWALT's power makes it the preferred option for more demanding projects.
Safety Features
Safety is a critical aspect of any power tool, and the DEWALT FLEXVOLT excels in this area. It includes a kickback brake that activates when a pinch or stall is detected, engaging the brake to stop the wheel within 1.5 seconds. This feature greatly enhances user safety, particularly in high-stress environments.
In contrast, the AOBEN grinder offers basic safety features, such as two wheel guards to protect users from flying sparks and debris. Although these features are valuable, they do not match the advanced safety technologies of the DEWALT model. For those who prioritize safety in their power tools, the DEWALT's features provide significant peace of mind.
Battery Life and Convenience
The AOBEN Cordless Angle Grinder comes with two 4.0Ah battery packs, providing extended runtime for both indoor and outdoor tasks. This is a considerable advantage for users who need to operate without being tethered to a power source. The convenience of cordless operation is a strong selling point for the AOBEN grinder.
On the other hand, the DEWALT FLEXVOLT, while also cordless, operates on a more powerful 60V system that allows for greater performance but may require more frequent charging depending on the intensity of use. While the AOBEN offers a practical battery solution for everyday tasks, the DEWALT's power may necessitate careful management of battery life during heavy usage.
Usability and Design
The AOBEN grinder is designed with user comfort in mind, featuring an ergonomic design that feels good in hand during operation. Its compact size and lightweight construction make it suitable for various applications, from grinding to polishing.
The DEWALT grinder, however, is slightly heavier and designed for robustness, reflecting its positioning as a professional-grade tool. While it provides excellent power, its usability may be affected by its weight during prolonged use. Users seeking a balance between power and ease of use may find the AOBEN more appealing for lighter tasks.
Price Comparison
The price difference between these two products is significant. The AOBEN Cordless Angle Grinder is priced at $79.99, making it about 71% cheaper than the DEWALT FLEXVOLT, which costs $273.80. This substantial price gap makes the AOBEN a more accessible option for casual users or those on a budget.
However, it's essential to consider what each product offers for its price. While the AOBEN provides excellent value for light to medium tasks, the DEWALT's higher price reflects its advanced features and capabilities, making it a worthwhile investment for professionals who require reliable and powerful tools.
Which should you buy?
Choosing between the AOBEN Cordless Angle Grinder and the DEWALT FLEXVOLT 60V MAX Angle Grinder ultimately depends on your specific needs and preferences. If you're a casual user looking for a budget-friendly option that still delivers decent performance for light to medium tasks, the AOBEN is an excellent choice at $79.99.
However, for professionals who demand high power, advanced safety features, and durability for heavy-duty applications, the DEWALT FLEXVOLT, priced at $273.80, provides unmatched performance and reliability. Consider your budget and the frequency of use to make the best decision for your tool collection.

