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AOBEN Cordless Angle Grinder 4-1/ vs Rivlox Cordless Angle Grinder Kit, 3-inch Mini

Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ leads on rpm and price.

The AOBEN Cordless Angle Grinder offers superior power and features, making it the better choice for serious users, while the Rivlox is a budget-friendly option for lighter tasks.

Why AOBEN Cordless Angle Grinder 4-1/ is better

Power

AOBEN has a brushless motor with adjustable speeds.

Battery

AOBEN includes two 21V batteries for extended runtime.

Accessories

AOBEN kit has more accessories included.

Why Rivlox Cordless Angle Grinder Kit, 3-inch Mini is better

Price

Rivlox is significantly cheaper.

Weight

Rivlox is lighter and more portable.

Ease of Use

Rivlox is designed for casual users.

Overall score

AOBEN Cordless Angle Grinder 4-1/
85
Rivlox Cordless Angle Grinder Kit, 3-inch Mini
65

Specifications

SpecAOBEN Cordless Angle Grinder 4-1/Rivlox Cordless Angle Grinder Kit, 3-inch Mini
Motor TypeBrushlessBrushed
Speed Control3 SpeedsNone
Battery Capacity4.0Ah1.5Ah
Guard Type2 Guards1 Guard
WarrantyYesYes

Dimension comparison

AOBEN Cordless Angle Grinder 4-1/Rivlox Cordless Angle Grinder Kit, 3-inch Mini

Price Comparison

When comparing the prices of the AOBEN Cordless Angle Grinder and the Rivlox Cordless Angle Grinder Kit, the Rivlox is significantly less expensive, retailing at $27.99 compared to AOBEN’s price of $79.99. This makes the Rivlox about 65% cheaper than the AOBEN model. While the AOBEN offers a broader range of features and capabilities, the drastic price difference may appeal to budget-conscious consumers or those new to using angle grinders.

Power and Performance

The AOBEN Cordless Angle Grinder is equipped with a brushless motor and offers three adjustable speeds, reaching a maximum of 9,500 RPM. This allows for versatile applications, such as grinding, cutting, and polishing various materials. On the other hand, the Rivlox features a high-speed brushed motor, although specific RPM figures are not mentioned. While both tools provide reliable power, the AOBEN’s brushless motor suggests enhanced longevity and efficiency, making it a better option for heavy-duty tasks.

Battery and Runtime

In terms of battery power, the AOBEN comes with two 21V 4.0Ah lithium-ion batteries, providing extended runtime for prolonged use. With its powerful batteries, it is designed for both indoor and outdoor applications without the constraints of a power cord. Conversely, the Rivlox includes two 12V 1500mAh batteries. While it also eliminates the hassle of cords, the lower voltage and capacity may result in shorter operational time compared to the AOBEN’s robust battery setup.

Design and Usability

The AOBEN features a compact design with an ergonomic handle for better control during operations. It includes two wheel guards for safety, making it suitable for various cutting tasks. The Rivlox, being a mini angle grinder, is lightweight and designed for easy handling, which can be ideal for smaller projects. Its non-slip rubberized handle and secure spindle lock make it user-friendly, especially for those who may not have much experience with power tools.

Accessories and Kit Contents

The AOBEN Cordless Angle Grinder kit is comprehensive, coming with various accessories including two cutting wheels, two grinding wheels, and two sanding wheels, along with a wrench and a tool case. This complete package provides users with everything they need to start working right away. In contrast, the Rivlox kit includes five cutting discs and a wrench, making it slightly less comprehensive. However, it still provides essential tools for basic cutting and grinding tasks.

Safety Features

Safety is a priority in both products, but they approach it differently. The AOBEN includes two protective wheel guards to shield users from sparks and debris during operation, enhancing safety during intense tasks. The Rivlox also incorporates a guard and a ventilation system to prevent overheating, ensuring safe use over prolonged periods. While both offer safety features, the AOBEN’s additional guards may provide more protection for heavy-duty applications.

Customer Support and Warranty

Customer service is a notable aspect for both brands. AOBEN emphasizes its professional after-sale service, ensuring that users receive support if needed. The Rivlox also highlights its commitment to customer satisfaction, promising quick resolutions to any issues within 24 hours. While both brands aim to support their customers, AOBEN’s established reputation in the market may offer an edge in reliability.

Which should you buy?

Deciding between the AOBEN Cordless Angle Grinder and the Rivlox Cordless Angle Grinder Kit largely depends on your specific needs. If you are looking for a powerful, versatile tool with a robust battery and a wider range of accessories, the AOBEN is the better choice, albeit at a higher price of $79.99. However, if you are budget-conscious and require a lightweight grinder for casual projects, the Rivlox at $27.99 offers excellent value and portability. Ultimately, both grinders serve unique purposes, catering to different user needs and preferences.