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Ergonomic 3.6v Li-Ion Auto Shut-Off Clutch Screwdriver

Model: EY7411LA1S
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Ergonomic 3.6v Li-Ion Auto Shut-Off Clutch Screwdriver

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  • ¼” Quick Change Collet
  • +/-5% Torque Accuracy
  • Rehit Prevention
  • Batch Counting Capabilities
  • LED Work Light

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Panasonic Factory Assembly Tools

The Panasonic EY7411LA1S 3.6V 1.5Ah Li-Ion Cordless Auto Shut-off Clutch Screwdriver is one of the lightest and longest running low torque clutch tools. It features 21-clutch positions for a wide torque range, two forward speeds, reverse, a two position ergonomic handle and batch counting capabilities. A built-in LED light illuminates the assembly area for better visibility.

Click here to view the Panasonic Assembly Tools Full Line Catalog.

Operator Ergonomics

Access to fasteners can make life difficult for operators. At only 1.1 lbs., the two-position handle adjusts for optimal ergonomics and work access. Furthermore, the multi-positioned grips allow for two inline positions or switch the handle to create a pistol grip tool.

Quality Control - Accuracy and Repeatability

Quality control has become a very important part in manufacturing which is why Panasonic only offers precision clutches in our assembly tools. The torque accuracy is +/-5% and on some applications even tighter. Additionally, the clutch tools accuracy and repeatability are increased by shutting down the motor as the precision clutch begins to disengage. The internal controller cuts power to the motor, significantly reducing torque reaction. Shutting the tool down increases overall productivity which allows more fasteners per charge.


Even though this lightweight screwdriver is small it can produce a maximum torque of 39 in. lbs. The 21-stage clutch adjusts torque from 2.7-25.68 in.-lbs. in approximately 0.9 in.-lbs. increments. A two speed selector switch offers two no-load speeds of 0-200 rpm in low and 0-600 rpm in high.

Simple Settings with the Control Panel

With just a glance, the operator can easily confirm batch counts and battery power levels. A quick touch on the easy-to-use control panel allows one to change batch counts. To prevent accidental changes to the controller use the hold switch while you work and your settings and count will not change, even if you touch the control panel by mistake. If the battery dies, switch the battery with a charged one as the tool retains the last count number.

Error-Proofing the Assembly Process

To assure assemblers fasten every screw in the assembly process, enable the screw count function to keep track of the screws you want to drive to prevent mistakes. The auto-stop function counts the number of screws driven and notifies you with a unique tone when the set numbers of screws are reached. The counter automatically resets after reaching the set number of screws.

Fastener Rehit Prevention

By using the double counting prevention feature, it prevents accidental rehits from changing the batch count. Even if the screw is continuously tightened twice and the work is completed within the set time, the fastener is not counted. A simple change to the controller through the keypad the batch count feature can be locked out for up to 3 seconds.

Illuminating the Work Area

The tool features a built-in LED light to illuminate the assembly area for faster, easier and more accurate assembly. The LED light promotes visibility improving screw and bit placement, therefore reducing cycle time. An additional feature of the tool to conserve battery power is an auto shut-off timer for the light once the tools trigger is not activated for 5 minutes. The light will turn off automatically.

Battery Life

At only 1.1 lbs., this light weight 3.6V 1.5Ah tool can drive 1,000 M5 x 5/16-inch screws into pre-drilled holes on one battery charge. The EY9L10B battery can be charged to a usable level in 15 minutes or fully charged in 30 minutes using the EYOL10B or EYOL11B chargers.

Included Accessories

To deter operators from altering the set torque we’ve included a clutch cover. The clutch cover prevents access to the clutch settings which eliminates the possibilities of improper torques and provides another level of error-proofing.