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AOBEN Cordless Angle Grinder 4-1/ vs SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V

Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and popularity, SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V wins on speed and safety.

The AOBEN Cordless Angle Grinder offers better value with included batteries and versatile features, while the SpomacGek is a more affordable option for existing Dewalt battery users.

Why AOBEN Cordless Angle Grinder 4-1/ is better

Battery Inclusion

AOBEN includes two 4.0Ah batteries, enhancing usability.

Speed Control

AOBEN offers three adjustable speeds for versatility.

Sales Rank

AOBEN has a better sales rank indicating higher popularity.

Why SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V is better

Price

SpomacGek is $30 cheaper, appealing to budget-conscious buyers.

Higher RPM

SpomacGek reaches a maximum speed of 10,000 RPM.

Compatibility

SpomacGek is compatible with various Dewalt 20V MAX batteries.

Overall score

AOBEN Cordless Angle Grinder 4-1/
85
SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V
70

Specifications

SpecAOBEN Cordless Angle Grinder 4-1/SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V
Max RPM950010000
Batteries IncludedYesNo
Weight5.5 lbs5.2 lbs
Motor TypeBrushlessBrushless
Speed Settings31

Dimension comparison

AOBEN Cordless Angle Grinder 4-1/SpomacGek Cordless Angle Grinder Compatible with Dewalt 20V

Overview of the AOBEN Cordless Angle Grinder

The AOBEN Cordless Angle Grinder is designed for versatility and ease of use in various tasks such as metal cutting, grinding, and polishing. Priced at $79.99, it offers a good combination of features, including a brushless motor and two battery packs for extended runtime. With a sales rank of 15,649, it indicates a solid presence in the market and user acceptance.

This grinder features a maximum speed of 9,500 RPM, adjustable across three settings, allowing users to tailor the speed to their specific tasks. The inclusion of two protective wheel guards enhances safety during operation, making it a reliable choice for various cutting operations.

Overview of the SpomacGek Cordless Angle Grinder

The SpomacGek Cordless Angle Grinder is a budget-friendly option for users who already own Dewalt 20V MAX batteries, retailing at $49.99. Its lower price point, about 37% cheaper than the AOBEN model, makes it appealing for cost-conscious buyers. The grinder has a sales rank of 62,130, which may suggest less popularity compared to the AOBEN model.

Equipped with a powerful brushless motor, this grinder can reach speeds of up to 10,000 RPM. While it lacks included wheels and a battery, its design focuses on safety, featuring a protective switch and quick-adjust guard, ensuring user security during operation.

Performance Comparison

In terms of performance, the AOBEN grinder operates at a maximum speed of 9,500 RPM, while the SpomacGek grinder tops out at 10,000 RPM. This gives the SpomacGek a slight edge in speed, which may translate to faster grinding and cutting under certain conditions.

However, the AOBEN model compensates for its lower speed with a three-speed setting, allowing users to adjust based on the specific task at hand. This flexibility can be particularly beneficial for users who need to switch between different materials or applications frequently.

Battery and Runtime

The AOBEN Cordless Angle Grinder comes with two 4.0Ah batteries, providing extended runtime for continuous use without the constraints of a power cord. This feature is particularly advantageous for outdoor work or projects where access to power may be limited.

In contrast, the SpomacGek grinder does not include a battery, relying instead on the compatibility with various Dewalt 20V MAX batteries. While this may appeal to those who already own compatible batteries, it could be a drawback for new users needing to invest in additional components.

Safety Features

Safety is paramount in any power tool, and both grinders include features designed to protect the user. The AOBEN model features two protective wheel guards to shield the user from sparks and debris during cutting tasks.

On the other hand, the SpomacGek grinder is equipped with a protective switch and quick-adjust guard. Its safety mechanisms include a soft start function and power failure protection, which stops the grinder within 1.5 seconds after the power switch is released, offering an added layer of safety. Both grinders prioritize user security, but the SpomacGek's quick-stop feature may provide an edge in emergency situations.

Design and Usability

The design of both grinders caters to user comfort and convenience. The AOBEN Cordless Angle Grinder features a compact design that feels comfortable in hand during operation. Its spindle lock allows for quick wheel changes, which is crucial when switching between tasks.

In comparison, the SpomacGek grinder features an adjustable side handle accommodating left-handed and right-handed users, enhancing usability for a wider audience. Its design includes a faster spindle lock for wheel changes, potentially improving efficiency during work sessions. Both models are user-friendly, but the adjustable handle of the SpomacGek adds versatility for different users.

Price Comparison

The AOBEN Cordless Angle Grinder is priced at $79.99, while the SpomacGek model is available for $49.99. This price difference of $30 shows that the SpomacGek is about 37% cheaper than the AOBEN grinder.

However, the additional cost of the AOBEN model may be justified by its inclusion of batteries and its solid sales rank of 15,649, indicating a favorable reception in the market. Buyers need to weigh the cost against the features offered to determine which grinder aligns best with their needs.

Which should you buy?

Choosing between the AOBEN Cordless Angle Grinder and the SpomacGek Cordless Angle Grinder ultimately comes down to personal preference and specific needs. If you prioritize versatility, runtime, and a solid package with included batteries, the AOBEN model is a robust choice at $79.99.

Conversely, if you already own Dewalt 20V MAX batteries and are looking for a more budget-friendly option without sacrificing too much on performance, the SpomacGek grinder at $49.99 is a compelling alternative. Both grinders offer unique advantages, so evaluating your specific requirements will guide your decision effectively.