SEYVUM Impact Wrench,1/2" Impact Gun, Power Impact vs SOARFLY Upgraded Cordless Impact Wrench 1/2", 900
Updated August 2026 — SOARFLY Upgraded Cordless Impact Wrench 1/2", 900 leads on torque and durability.
The SOARFLY offers superior torque and battery life, making it the better choice for heavy-duty tasks.
Why SEYVUM Impact Wrench,1/2" Impact Gun, Power Impact is better
Lower Price
SEYVUM is priced at $47.99.
Compact Design
SEYVUM features a compact motor design.
User-Friendly
SEYVUM has variable speed control.
Why SOARFLY Upgraded Cordless Impact Wrench 1/2", 900 is better
Higher Torque
SOARFLY delivers 900 ft-lbs of torque.
Dual Batteries
SOARFLY includes two 4.0Ah batteries.
Robust Build
SOARFLY uses tungsten steel and aluminum alloy.
Overall score
Specifications
| Spec | SEYVUM Impact Wrench,1/2" Impact Gun, Power Impact | SOARFLY Upgraded Cordless Impact Wrench 1/2", 900 |
|---|---|---|
| Max Torque | 320 ft-lbs | 900 ft-lbs |
| Battery Type | 20V Li-ion | 21V Li-ion |
| Charging Time | 2 hours | 2 hours |
| LED Light | Yes | Yes |
| Weight | 5 lbs | 7 lbs |
Dimension comparison
Overview of the SEYVUM and SOARFLY Impact Wrenches
The SEYVUM Impact Wrench is priced at $47.99, while the SOARFLY Upgraded Cordless Impact Wrench is significantly more expensive at $139.99. This price difference represents approximately a 192% increase for the SOARFLY model. Users may want to assess what features justify this higher price point when evaluating their options.
Both products belong to the impact driver category, designed to handle tough jobs with varying torque outputs. The SEYVUM offers a maximum torque of 320 ft-lbs (430N.m), while the SOARFLY boasts a remarkable 900 ft-lbs (1200N·m) of torque, making it a more powerful choice for heavy-duty applications. This makes the SOARFLY particularly appealing for users needing robust performance for automotive work or industrial tasks.
Power and Performance Comparison
Power is a critical factor in choosing an impact wrench. The SEYVUM features a brushless motor that delivers up to 320 ft-lbs of torque, suitable for most household tasks and lighter automotive jobs. In contrast, the SOARFLY's brushless motor provides a whopping 900 ft-lbs of torque, making it ideal for heavy-duty applications such as truck and RV tire removal.
While both models reach a maximum RPM of 3000, the SOARFLY offers three-speed adjustment settings (2000, 2500, and 3000 RPM) for enhanced control over your work. This additional flexibility can be crucial for tasks requiring precision. The SEYVUM's power is sufficient for general use, but if you're consistently handling tough jobs, the SOARFLY stands out for its superior torque capabilities.
Battery Life and Charging
Battery performance is a vital consideration, especially for cordless tools. The SEYVUM comes with a single 20V 4.0Ah lithium-ion battery that allows for decent run time and includes a fast charger that can fully recharge the battery in just 2 hours. This setup is quite effective for casual users who may not require excessive run times.
On the other hand, the SOARFLY includes two 4.0Ah batteries, effectively doubling potential usage time before requiring a recharge. This feature is particularly beneficial for professional mechanics or those who frequently perform heavy-duty tasks, as it minimizes downtime. Both models offer quick charging times, but the SOARFLY's dual battery system provides a significant advantage for extended work sessions.
Design and Build Quality
When it comes to design and build quality, both impact wrenches are engineered for durability, but they differ in their materials. The SEYVUM features a compact motor design, enhancing thermal efficiency and ensuring safety during operation. However, its overall construction caters to lighter tasks.
The SOARFLY is designed with a tungsten steel shaft and an aluminum alloy head, providing excellent wear resistance and strength. This robust build is essential for users who regularly tackle tough jobs and need a tool that can withstand rigorous use. In terms of design, the SOARFLY’s heavier-duty materials likely appeal more to professional users looking for longevity and performance in demanding environments.
Usability and Features
Usability is a critical aspect of any tool, and both impact wrenches come equipped with user-friendly features. The SEYVUM includes an infinitely variable speed control triggered by the user, allowing for precise adjustments in performance. It also boasts an integrated LED light for working in dimly lit areas, enhancing usability during nighttime repairs.
The SOARFLY also features a built-in LED work light that activates with the trigger, providing visibility in tight spaces. Additionally, it offers a forward and reverse mode with an intelligent brake-stop function, preventing fasteners from flying off after release. With its three-speed adjustment and stepless speed control, the SOARFLY provides a higher level of versatility, making it better suited for various applications, from automotive repairs to DIY projects.
Price and Value Proposition
The SEYVUM is priced at $47.99, making it about 17% cheaper than its counterpart, the SOARFLY, which retails for $139.99. This significant price difference poses a question for potential buyers: what value do you gain with the higher investment in the SOARFLY? While the SEYVUM may be an excellent choice for casual users or light-duty tasks, the SOARFLY’s enhanced capabilities justify its premium price for professionals or those who require a tool for heavy-duty jobs.
When considering the long-term value, the SOARFLY's powerful performance, dual battery system, and robust materials may offer a better return on investment for those who plan to use their impact wrench frequently and in demanding conditions.
Which should you buy?
Deciding between the SEYVUM and the SOARFLY ultimately hinges on your specific needs. If you are a casual user seeking an affordable impact wrench for light to moderate tasks, the SEYVUM's lower price and adequate power may be sufficient. However, if you frequently engage in heavy-duty work and require a tool that delivers exceptional torque, the SOARFLY's superior performance and extended battery life make it the clear choice. Ultimately, your decision should align with your usage requirements and budget considerations.

