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AOBEN 21V Cordless Impact Wrench, 400N.m Max vs SOARFLY Upgraded Cordless Impact Wrench 1/2", 900

Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on weight and ergonomics, SOARFLY Upgraded Cordless Impact Wrench 1/2", 900 wins on accessories and durability.

The AOBEN offers great value for light tasks, while the SOARFLY excels in heavy-duty applications.

Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better

Price

AOBEN is significantly cheaper.

Weight

AOBEN is lighter, making it easier to handle.

Basic Tasks

AOBEN is suitable for casual users.

Why SOARFLY Upgraded Cordless Impact Wrench 1/2", 900 is better

Torque

SOARFLY has over double the torque.

Battery Life

SOARFLY includes two batteries.

Durability

SOARFLY is built with heavy-duty materials.

Overall score

AOBEN 21V Cordless Impact Wrench, 400N.m Max
70
SOARFLY Upgraded Cordless Impact Wrench 1/2", 900
85

Specifications

SpecAOBEN 21V Cordless Impact Wrench, 400N.m MaxSOARFLY Upgraded Cordless Impact Wrench 1/2", 900
Max Torque400 N.m900 Ft-lbs
Battery Type4.0Ah Li-ion2x 4.0Ah Li-ion
Speed ControlVariable3-Speed
ChargerFast ChargerFast Charger
LED LightNoYes

Dimension comparison

AOBEN 21V Cordless Impact Wrench, 400N.m MaxSOARFLY Upgraded Cordless Impact Wrench 1/2", 900

Overview of AOBEN 21V Cordless Impact Wrench

The AOBEN 21V Cordless Impact Wrench is priced at $53.99, making it a budget-friendly option for those seeking a reliable impact wrench. It boasts a maximum torque of 400 N.m and a speed of up to 3000rpm, suitable for various household maintenance tasks. This model is designed for users looking for efficiency and versatility in their toolset without breaking the bank.

The impact wrench comes with a 4.0Ah battery, which is claimed to be twice as powerful as standard batteries. Additionally, it includes six driver sockets along with a fast charger and a tool bag, making it a comprehensive package for DIY enthusiasts. Despite its lower price, the AOBEN model is well-positioned in the market with a sales rank of 46,178, indicating a steady interest from consumers.

Overview of SOARFLY Upgraded Cordless Impact Wrench

The SOARFLY Upgraded Cordless Impact Wrench is priced significantly higher at $139.99, reflecting its advanced features and heavy-duty capabilities. It delivers a maximum torque of 900 ft-lbs (1200 N.m), which is more than double that of the AOBEN model. This makes it particularly suited for heavy-duty automotive work, including tasks like truck and RV tire removal.

In addition to its impressive torque, the SOARFLY wrench comes with two 4.0Ah batteries, ensuring a longer runtime and reduced downtime. The inclusion of a fast charger that can fully charge the batteries in just two hours adds to its convenience. With a sales rank of 54,584, it has a slightly lower visibility compared to the AOBEN, but its features cater to professionals and dedicated DIYers alike.

Performance and Power

When it comes to performance, the AOBEN 21V Cordless Impact Wrench excels in everyday tasks with its 400 N.m of torque. It provides a sufficient power output for light construction and maintenance jobs, making it ideal for casual users. The variable speed control allows for precision, with the impact wrench reaching speeds of up to 3000rpm.

In contrast, the SOARFLY impact wrench significantly outperforms AOBEN, with a maximum torque of 900 ft-lbs or 1200 N.m. This makes it more suitable for heavy-duty applications, such as automotive repairs or industrial tasks. The brushless motor in the SOARFLY model enhances efficiency and longevity, providing steady power while running cooler and quieter than traditional motors.

Battery Life and Charging

Battery life is a crucial factor for any cordless tool. The AOBEN model features a single 4.0Ah battery, which is claimed to be sufficient for most household tasks. However, users may find themselves needing to recharge it frequently during extended jobs.

On the other hand, the SOARFLY model offers two 4.0Ah batteries, effectively doubling the runtime and minimizing downtime. The fast charger can fully recharge these batteries in just two hours, allowing users to get back to work quickly, making it ideal for professional settings or heavy usage.

Build Quality and Design

The AOBEN impact wrench is designed with user comfort in mind, featuring a lightweight design and a soft grip handle. This ergonomic approach helps reduce fatigue during longer usage. However, it may not withstand the rigors of more demanding work environments.

Conversely, the SOARFLY wrench is constructed with heavy-duty materials, such as a tungsten steel shaft and aluminum alloy head. This combination provides excellent wear resistance and durability, making it suitable for tough jobs. The thoughtful design includes a built-in LED work light, enhancing visibility in low-light conditions, an advantage not found in the AOBEN model.

Versatility and Applications

In terms of versatility, the AOBEN 21V Cordless Impact Wrench is suitable for basic tasks such as motorcycle maintenance and light construction. It’s a good fit for users who need a reliable tool for occasional use but may not handle heavy-duty applications.

The SOARFLY impact wrench, however, is designed for a wider range of applications, including automotive work, home garage repairs, and industrial assembly. Its three-speed adjustment feature allows users to customize the tool’s power based on the task at hand, offering greater flexibility compared to the AOBEN model.

Price Comparison

The AOBEN 21V Cordless Impact Wrench is priced at $53.99, making it about 61% cheaper than the SOARFLY model, which retails for $139.99. This significant price difference highlights the AOBEN as a more accessible option for casual users or those on a budget. However, the increased cost of the SOARFLY can be justified by its superior torque, additional battery, and enhanced features, which cater to more demanding tasks.

Which should you buy?

Choosing between the AOBEN 21V Cordless Impact Wrench and the SOARFLY Upgraded Cordless Impact Wrench ultimately depends on your specific needs. If you’re looking for an affordable tool for light maintenance and occasional use, the AOBEN is a solid choice, especially with its lower price point. However, if your projects require heavy-duty performance and extended runtime, the SOARFLY model, despite its higher price, offers significant advantages in power and versatility. Consider how often and for what purpose you’ll use the tool to make the best choice for your situation.