Search  for anything...

Cordless Impact Wrench, 406Ft-lbs (550N.m) Brushless 1/2 inch, 2800RPM High Torque Impact Gun, 2x 4.0Ah Battery, Charger, 4 Sockets, Electric Impact Wrench for Car Home

  • Based on 610 reviews
Condition: New
Checking for product changes
$84.99 Why this price?
Save $15.00 was $99.99

Buy Now, Pay Later


As low as $14.17 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Jun 30
Order within 19 hours and 15 minutes
Available payment plans shown during checkout

Size: 550N.m


Features

  • 550N.m High Torque and Brushless Motor: Impact wrench delivers a maximum torque of 406 ft-lbs (550N.m), making it the market's highest torque battery-powered cordless impact wrench. Robustrue power impact wrench effortlessly loosens or tightens various types of bolts or nuts, including removing car tires, assembling furniture, installing scaffolding, garage use, DIY projects, etc
  • 2x 4.0 Ah Battery and 1H Quick Charge: The Robustrue electric impact wrench comes with 2*4000 mAh high-capacity batteries. In contrast to 2.0 Ah batteries, the runtime is increased by 50%, reducing the need for frequent battery replacements and enhancing work efficiency. The high-torque impact wrench shortens the charging time to 1 hour, saving you valuable time. With a power indicator, you can easily check the remaining power
  • 3 Adjustable Speed Control: The 1/2 impact wrench features a bottom switch, supports 3 speeds from 0-1990/2200/2800RPM adjustment to meet different working demands, improve efficiency, and save battery power. It can also be adjusted clockwise or counterclockwise rotation through the side button. When reverse rotation, pushing the switch button can trigger the brake stop function, no need to worry about your nuts and bolts falling or damaged after loosening
  • 3-in-1 Multifunctional Impact Wrench: The Robustrue Impact Wrench also serves as an impact drill and screwdriver, making it versatile for various working situations
  • Lightweight and Compact: Robustrue 1/2 impact gun cordless weighs only 3.74 lbs with a battery, its compact design (5.9 inches front to back) and powerful motor reduce fatigue during daily tightening or loosening tasks, friendly for women and elderly users, it features an ergonomically designed handle for maximum comfort
  • Two Directions and Reverse Auto-Stop Mode: This cordless impact wrench 1/2 with forward and reverse mode. In reverse mode, once the nut or bolt is loosened, the brake stop device will activate and reduce speed and torque to prevent the nut from falling off and protecting the bolt thread
  • What You Will Get and Support: 1x Impact Wrench, 2x 4.0 Ah Li-ion Batteries, 1x Power Charger, 4x Impact Wrench Sockets (17mm, 19mm, 21mm, 24mm), 4x Rubber Rings, 1x Belt Clip, 1 x Tool Case, 1 x User Manual

Brand: Robustrue


Power Source: Battery Powered


Maximum Rotational Speed: 2800 RPM


Voltage: 21 Volts (AC)


Amperage: 4 Amps


Brand: ‎Robustrue


Power Source: ‎Battery Powered


Maximum Rotational Speed: ‎2800 RPM


Voltage: ‎21 Volts (AC)


Amperage: ‎4 Amps


Color: ‎Green+black


Included Components: ‎4x Impact Wrench Sockets, 1 x Tool Case, 1 x User Manual, 1x Impact Wrench, 2x 4.0Ah Li-ion Batteries, 4x Rubber Rings, 1x Belt Clip, 1x Power Charger


Special Feature: ‎Built-In LED Working Light, Auto Shut-Off, Adjustable Torque, Adjustable Mode, Compact


Product Dimensions: ‎4.72"L x 3.14"W x 2.75"H


Material: ‎Metal


Maximum Torque: ‎550 Newton Meters


Number of Speeds: ‎3


Speed: ‎2800 RPM


Item Weight: ‎2.9 Pounds


Maximum Power: ‎550 Watts


Item Torque: ‎550 Newton Millimeters


Battery Capacity: ‎4000 Milliamp Hours


Is Electric: ‎Yes


Manufacturer: ‎Robustrue


Item Weight: ‎2.9 pounds


Country of Origin: ‎China


Item model number: ‎RT550B


Batteries: ‎2 Lithium Ion batteries required. (included)


Size: ‎550N.m


Finish: ‎Powder Coated


Item Package Quantity: ‎1


Head Style: ‎Fixed Square


Special Features: ‎Built-In LED Working Light, Auto Shut-Off, Adjustable Torque, Adjustable Mode, Compact


Batteries Included?: ‎Yes


Batteries Required?: ‎Yes


Battery Cell Type: ‎Lithium Ion


Date First Available: August 24, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jun 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great tool
All in one impact and drill use it every day battery last long and it’s very powerful
Reviewed in the United States on February 25, 2025 by Jose Leon

  • works great
I bought this as a second to have along side my 1/2" Dewalt impact wrench. Works well and as well as the Dewalt. Seems like a better value considering it comes with two batteries.
Reviewed in the United States on February 25, 2025 by jmal

  • For what its worth
For the price one simply cannot complain, changing my wifes and inlaws brakes every 6 month or so with tire rotation every 3000k miles. Gets job done just with sockets came with case only reason I gave it 4 stars.
Reviewed in the United States on November 25, 2024 by Eric

  • Very Impressed
This impact is amazing! I’ve used it for automotive repairs and the screwdriver attachment is great as well. I’ve had this for almost a year now and it’s holding up strong. The impact took off lug nuts that a tire shop put on, I was impressed to say the least. Battery life is actually really good, used it for a couple hours and only went down one. If on a budget, I definitely recommend this. ... show more
Reviewed in the United States on March 24, 2025 by Ethyn Tiller

  • Exceeded expectations
Worked better than I expected it to and the drill attachment worked well for cleaning with a wire brush. Would buy again.
Reviewed in the United States on March 19, 2025 by Amazon Customer

  • Solid function
Good solid Impact wrench and easy to use. Having two batteries makes such a difference in completing my projects. It take’s a little effort to attach the wrenches with the “pin” but it works. I like the adapter for the various screw heads they provide.
Reviewed in the United States on February 23, 2025 by C P Robo

  • Effective in it's performance
Works well for loosening and tightening my vehicle wheels and also to loosen tie rod end lock nuts.
Reviewed in the United States on March 20, 2025 by Copeland Clarke

  • Decent quality but lacks in power
I bought this specifically for removing/installing wheel lug nuts and of the 20 lug nuts I attempted to loosen, this worked on zero of them. I had to break the torque manually. Each of the lug nuts was set to 90ft/lb with a calibrated torque wrench. After reinstalling the lug nuts and torquing them, I tried again with the impact wrench and it still could not break the torque. I reduced the torque wrench to 80ft/lb and the impact wrench managed to loosen them but not without a bit of a struggle. Aside from the issue with power, two of the sockets that came with the set had their O-Rings snapped before I took them out of the bag. Luckily neither were the ones that I needed. Overall: decent build quality, power is a bit lacking, and quality control on the accessories was a miss. ... show more
Reviewed in the United States on November 30, 2024 by Kyle

Can't find a product?

Find it on Amazon first, then paste the link below.