Aiderar 4-1/2" Cordless Angle Grinder Tool, vs Makita XAG04Z 18V LXT® Lithium-Ion Brushless
Updated July 2026 — Aiderar 4-1/2" Cordless Angle Grinder Tool, wins on speed and power, Makita XAG04Z 18V LXT® Lithium-Ion Brushless wins on price and runtime.
The Aiderar grinder is a budget-friendly option for DIY enthusiasts, while the Makita offers advanced features for professionals. Choose based on your needs.
Why Aiderar 4-1/2" Cordless Angle Grinder Tool, is better
Price
Aiderar is significantly cheaper at $59.99.
User-friendly
Designed for casual users with easy controls.
Weight
Aiderar is lighter, making it easier to handle.
Why Makita XAG04Z 18V LXT® Lithium-Ion Brushless is better
Performance
Makita's brushless motor offers superior efficiency.
Safety
Makita includes Active Feedback-sensing Technology.
Versatility
Makita's Automatic Speed Change enhances adaptability.
Overall score
Specifications
| Spec | Aiderar 4-1/2" Cordless Angle Grinder Tool, | Makita XAG04Z 18V LXT® Lithium-Ion Brushless |
|---|---|---|
| Motor Type | Brushless | BL Brushless |
| Battery Compatibility | DeWalt 20V | Makita 18V |
| Speed Settings | 3 | Auto |
| Safety Features | Metal Guards | AFT |
| Sales Rank | 38827 | 12529 |
Dimension comparison
Overview of the Aiderar and Makita Angle Grinders
The Aiderar 4-1/2" Cordless Angle Grinder is priced at $59.99, making it about 53% cheaper than the Makita XAG04Z, which retails for $128.99. Both tools are designed for cutting and grinding applications, but they cater to different user needs and preferences. The Aiderar targets DIY enthusiasts and casual users, while the Makita is tailored for professionals seeking advanced features and performance.
Performance and Motor Technology
The Makita XAG04Z features a BL Brushless Motor, which is designed to run cooler and more efficiently, extending the tool's lifespan. This motor allows for automatic speed adjustments during operation, optimizing performance based on the task at hand. In contrast, the Aiderar grinder also utilizes a brushless motor, promising longer runtime and less maintenance, as it eliminates the need for carbon brushes. While both tools deliver efficient power, the Makita's advanced features position it as better suited for demanding applications.
Speed and Versatility
The Aiderar grinder offers three-speed settings, allowing users to switch between light sanding and heavy-duty metal cutting. This feature provides versatility for various tasks, from rust removal to grinding. On the other hand, the Makita grinder employs Automatic Speed Change technology, which adjusts speed and torque based on the material being worked on. This capability enhances its adaptability, making it ideal for a wider range of materials, including concrete and tile.
Safety Features
Safety is a priority in both models, but they take different approaches. The Makita XAG04Z incorporates Active Feedback-sensing Technology (AFT), which automatically shuts off the motor if the wheel's rotation is unexpectedly halted. This feature enhances user safety during operation. The Aiderar grinder includes rugged metal safety guards that can be easily switched out depending on the task, offering a degree of safety while maintaining versatility. Each grinder provides important safety features, but the Makita's technology may offer an added layer of protection.
Battery Compatibility and Runtime
The Aiderar grinder is specifically designed for use with DeWalt 20V MAX batteries, allowing users to leverage existing equipment without the need for additional batteries. This makes it a cost-effective choice for users already invested in the DeWalt ecosystem. Conversely, the Makita XAG04Z is compatible with the extensive 18V Lithium-Ion system, renowned for its fast charging times and longer runtime per charge. While both tools require separate battery purchases, the Makita's system may offer more convenience and efficiency for frequent users.
User Experience and Design
The Aiderar grinder is marketed towards DIY users, with a compact design that emphasizes ease of use for home repairs and small projects. Its quick-release guard feature allows for rapid task switching, making it user-friendly. The Makita, however, is engineered for professional use, featuring a more robust design that can withstand demanding work environments. This focus on durability and performance may appeal more to those who require a reliable tool for extensive projects.
Sales Rank and Market Position
In terms of market presence, the Aiderar grinder has a sales rank of 38,827, while the Makita XAG04Z is significantly higher at 12,529. This difference suggests that the Makita is more popular among consumers, likely due to its advanced features and professional-grade performance. A higher sales rank often correlates with user satisfaction, indicating that the Makita may be a preferred choice for many users in the competitive angle grinder market.
Which should you buy?
Choosing between the Aiderar 4-1/2" Cordless Angle Grinder and the Makita XAG04Z ultimately depends on your specific needs and budget. If you are a DIY enthusiast looking for an affordable, user-friendly tool, the Aiderar, priced at $59.99, offers excellent value with its three-speed versatility. However, if you need a powerful, professional-grade tool capable of handling demanding tasks, the Makita's advanced features and greater runtime efficiency justify its higher price of $128.99. Consider your intended use and whether you value advanced technology and performance over cost savings when making your decision.

