AOBEN Cordless Angle Grinder 4-1/ vs SINGTIP Cordless Angle Grinder Compatible with Dewalt 20V
Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and sales rank, SINGTIP Cordless Angle Grinder Compatible with Dewalt 20V wins on price and weight.
The AOBEN Cordless Angle Grinder offers better performance and value with its included batteries, while the SINGTIP is a budget-friendly option for existing Dewalt battery users.
Why AOBEN Cordless Angle Grinder 4-1/ is better
Speed
AOBEN has a max speed of 9500 RPM compared to SINGTIP's 8500 RPM.
Battery
AOBEN includes two 4.0Ah batteries, while SINGTIP does not include a battery.
Sales Rank
AOBEN has a better sales rank of 15649 compared to SINGTIP's 46456.
Why SINGTIP Cordless Angle Grinder Compatible with Dewalt 20V is better
Price
SINGTIP is priced at $46.99, making it more affordable.
Compatibility
SINGTIP is compatible with existing Dewalt 20V MAX batteries.
Weight
SINGTIP is lighter, making it easier to handle for extended use.
Overall score
Specifications
| Spec | AOBEN Cordless Angle Grinder 4-1/ | SINGTIP Cordless Angle Grinder Compatible with Dewalt 20V |
|---|---|---|
| Max RPM | 9500 | 8500 |
| Battery Included | Yes | No |
| Variable Speeds | 3 | 3 |
| Motor Type | Brushless | Brushless |
| Weight | 5.5 lbs | 4.5 lbs |
Dimension comparison
Overview of the AOBEN Cordless Angle Grinder
The AOBEN Cordless Angle Grinder offers a complete kit including a brushless motor and two 4.0Ah batteries for $79.99. This product aims to provide efficient cutting and grinding for various applications. With a sales rank of 15,649, it demonstrates a decent level of popularity in the market.
The AOBEN features a robust brushless motor that enhances durability and performance while consuming less energy. Additionally, it boasts a maximum speed of 9,500 RPM, making it suitable for tasks like metal cutting, grinding, and polishing. The inclusion of two battery packs allows users to work continuously without the hassle of cords, thereby increasing portability and convenience.
Overview of the SINGTIP Cordless Angle Grinder
The SINGTIP Cordless Angle Grinder is priced at $46.99 and is designed to be compatible with Dewalt 20V MAX batteries, making it a versatile choice for users who already own Dewalt tools. With a sales rank of 46,456, it is less popular than the AOBEN but still caters to a specific user base.
This grinder features a brushless motor as well, which ensures efficient operation and longevity. While it has a slightly lower maximum speed of 8,500 RPM, it still provides three variable speeds (4,000, 5,800, and 8,500 RPM) to accommodate various applications. The SINGTIP's design focuses on user comfort with a dual-position handle and quick spindle lock for easy wheel changes.
Power and Performance Comparison
In terms of power and performance, the AOBEN Cordless Angle Grinder slightly outperforms the SINGTIP model. The AOBEN's brushless motor achieves a maximum speed of 9,500 RPM, which is about 11.76% faster than SINGTIP's maximum of 8,500 RPM. This higher speed can translate to more efficient cutting and grinding, particularly for tougher materials.
Both grinders feature brushless motors that enhance energy efficiency and reduce maintenance. However, the AOBEN's additional battery capacity (two 4.0Ah batteries) compared to the SINGTIP, which does not include a battery, gives it an edge in terms of usability and run time. Buyers of the SINGTIP will need to invest in a compatible battery separately, which could increase the overall cost.
Battery and Runtime Analysis
The AOBEN Cordless Angle Grinder comes with two 4.0Ah batteries, offering users extended runtime and convenience right out of the box for $79.99. This setup allows for extended work sessions without the need to recharge frequently, making it ideal for both professional and DIY applications.
In contrast, the SINGTIP model does not come with a battery, which means the initial price of $46.99 does not reflect the total investment required. Users must purchase a Dewalt 20V MAX battery separately, which could significantly increase the overall cost. Without a battery included, the SINGTIP may seem appealing at first glance, but it may not be as economical in the long run.
Versatility and Usability
Both angle grinders are designed for versatility, but the AOBEN provides more features that enhance usability. The AOBEN includes two protective wheel guards and a compact design that makes it easier to handle during operation. Its maximum speed of 9,500 RPM allows for a broader range of applications, from metal cutting to polishing.
The SINGTIP also strives for versatility with three variable speeds, but it lacks the comprehensive kit features that AOBEN offers. The dual-position handle and quick spindle lock on the SINGTIP enhance comfort and ease of use, but the absence of a battery may deter users looking for a ready-to-use solution.
Price Comparison
When comparing prices, the AOBEN Cordless Angle Grinder is priced at $79.99, while the SINGTIP model costs $46.99. This makes the SINGTIP approximately 41.25% cheaper than the AOBEN. However, potential buyers should consider that the lower price of the SINGTIP does not include a battery, which may add to the overall cost.
For those who already own Dewalt batteries, the SINGTIP may represent a more economical choice initially. However, for users seeking a comprehensive kit that includes batteries and additional accessories, the AOBEN may provide better value despite its higher upfront cost.
Customer Feedback and Market Position
The AOBEN Cordless Angle Grinder has a sales rank of 15,649, indicating that it is relatively well-received among consumers. Its features and performance are positively highlighted in user reviews, particularly regarding its power and battery life.
On the other hand, the SINGTIP's sales rank of 46,456 suggests that it has not gained the same level of traction in the market. While it still offers solid features, the lack of an included battery may contribute to its lower popularity, as consumers often prefer all-inclusive kits.
Which should you buy?
Choosing between the AOBEN Cordless Angle Grinder and the SINGTIP Cordless Angle Grinder largely depends on your specific needs. If you are looking for a complete kit with superior speed and performance, the AOBEN is the better option at $79.99. It offers two batteries, making it ideal for extended use without interruptions.
Conversely, if you own Dewalt batteries and are looking for a budget-friendly option, the SINGTIP at $46.99 could serve you well, although you will need to invest in a battery. Ultimately, buyers should weigh the initial cost against the long-term value based on their specific usage requirements.

