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FULLYEA Cordless Angle Grinder 4-1/ vs FULLYEA Cordless Angle Grinder 4-1/2", Brushless

Updated July 2026 — FULLYEA Cordless Angle Grinder 4-1/2", Brushless leads on price.

Both grinders offer strong performance, but the first grinder is slightly cheaper and emphasizes longevity and ergonomics.

Why FULLYEA Cordless Angle Grinder 4-1/ is better

lower price

$46.99 vs $49.99

longer lifespan

emphasizes energy efficiency

ergonomic design

includes rotating safety guard and dual handles

Why FULLYEA Cordless Angle Grinder 4-1/2", Brushless is better

ease of use

highlights quick disc changes

complete set

includes upgraded tool box

battery efficiency

focus on long-term operation

Overall score

FULLYEA Cordless Angle Grinder 4-1/
85
FULLYEA Cordless Angle Grinder 4-1/2", Brushless
80

Specifications

SpecFULLYEA Cordless Angle Grinder 4-1/FULLYEA Cordless Angle Grinder 4-1/2", Brushless
Motor TypeBrushlessBrushless
Speed Settings33
Battery Capacity4.0Ah4.0Ah
Safety FeaturesYesYes
Customer SupportYesYes

Dimension comparison

FULLYEA Cordless Angle Grinder 4-1/FULLYEA Cordless Angle Grinder 4-1/2", Brushless

Overview of the Products

When comparing the FULLYEA Cordless Angle Grinder 4-1/2 inch and the FULLYEA Cordless Angle Grinder 4-1/2", both products showcase impressive features, yet they have distinct differences. The first grinder is priced at $46.99, while the second one costs $49.99, making the former about 4% cheaper. Both tools are designed for cutting, grinding, and polishing but offer varying features that might appeal to different users.

Motor Performance

Both grinders are equipped with powerful brushless motors that allow for a no-load speed of up to 12,000 RPM. This is a significant feature that ensures efficient performance in heavy-duty tasks. However, the first grinder emphasizes its longer lifespan and less energy consumption compared to traditional motors. This could be a deciding factor for users looking for longevity in their tools. Conversely, the second grinder also highlights its brushless motor and efficiency, but does not elaborate on the longevity aspect.

Speed Settings

The FULLYEA Cordless Angle Grinder 4-1/2 inch offers a 3-speed adjustment feature with settings of 0-6000, 9000, and 12000 RPM, providing versatility for various applications. In contrast, the second grinder also provides three speed settings—high, medium, and low—corresponding to the same RPMs. While both products cater to diverse grinding and cutting needs, the first grinder's detailed speed range might appeal more to users who want precise control over their tool's performance.

Battery and Charging

Battery performance is crucial for cordless tools, and both grinders come with two 4.0Ah batteries and a fast charger. The first grinder emphasizes its capability of extending work time by allowing users to swap out batteries, which could be more advantageous for prolonged tasks. The second grinder highlights the efficiency of its batteries for long-term operation but does not suggest the same level of flexibility. This slight difference could influence users depending on their work habits and requirements.

Ergonomic Design

Ergonomics play a crucial role in tool usability, and both grinders feature designs aimed at enhancing comfort and safety. The first grinder includes a rotating safety guard and dual non-slip auxiliary handles, which provide stability for both right- and left-handed users. The second grinder also emphasizes its ease of use and includes a spindle lock for quick disc changes. While both designs are user-friendly, the first grinder's focus on safety and versatility in handle configuration could make it a better choice for those prioritizing ergonomics.

Portability

Portability is a significant advantage of cordless tools, and both grinders excel in this area. Users can enjoy the freedom to work in any location without the hassle of cords. The first grinder specifically notes the convenience of working anywhere, while the second grinder underscores its portability and ease of use indoors and outdoors. Both tools provide similar levels of convenience, making them suitable for a variety of tasks and settings.

Customer Service and Support

When investing in power tools, reliable customer service can enhance the overall experience. Both grinders are backed by FULLYEA's commitment to high-quality tools and customer support. While the first grinder reassures users of support in case of concerns, the second grinder similarly emphasizes its customer service availability. This parity ensures that users of either product can expect assistance when needed.

Which should you buy?

Choosing between the FULLYEA Cordless Angle Grinder 4-1/2 inch and the FULLYEA Cordless Angle Grinder 4-1/2" ultimately depends on your specific needs. If you prioritize a slightly lower price at $46.99 and features emphasizing longevity and ergonomic safety, the first grinder may be the better choice. On the other hand, if you prefer a tool that emphasizes ease of use and flexibility with its battery system, the second grinder, priced at $49.99, could be more appealing. Both products offer strong performance, but their differences in features and pricing may guide your final decision.