The Ermenrich Tunn PD20 is a cordless screwdriver for screwing and unscrewing small fasteners with a possibility to work in dark locations and narrow spots. Suitable for assembling disassembling and repairing small devices and gadgets: laptops smartphones photo and video cameras glasses etc. The device is complete with a set of 24 magnetic bits and has a built-in LED backlight.

The screwdriver has a torque of 0.3–0.45Nm and can be rotated in both directions: forward and reverse. To protect the motor it switches off automatically after 2 minutes of continuous operation. You can restart it again by pressing the button. Magnetic bits are made of S2 steel which makes them highly durable and wear-resistant. The set includes the following bits: PH SL HEX Torx and others.

The screwdriver has a compact and durable design. The electric screwdriver is powered by a rechargeable battery which can be recharged via a USB Type-C cable. A full battery charge takes no more than 70 minutes.

Key features:

  • 24 steel bits with magnetic tips
  • Two rotation directions: forward and backward
  • Motor protection: auto-off after 2 minutes of continuous operation
  • 3-LED backlight for work in low-light conditions
  • Battery powered fully charged via USB Type-C cable in less than 70 minutes

The kit includes:

  • Electric screwdriver
  • 24 magnetic bits
  • Magnetizer
  • Plastic spudger
  • Type-C USB cable
  • Plastic storage box
  • User manual and warranty card
Brand Ermenrich
Warranty years 5
EAN 5905555016801
Package size (LxWxH) cm 5.1x6x20.4
Shipping Weight kg 0.29
Magnetic bits (included) pcs 24
Magnetic bits size mm 4x28
Magnetic bit material S2 alloy steel
Rotation forwards/backwards
No load speed rpm 300
Torque (electric) Nm 0.3 — 0.45
Torque (manual) Nm 3
Time delay for motor protection in forward and reverse rotation modes s 0.1
Backlight yes 3 LEDs
Low battery status indicator yes
Auto power off yes after 30 minutes of inactivity
Power supply 350mA∙h lithium battery 3.7V
Ports USB Type-C port (for battery charging)
Charging time <70 min
Type electric screwdriver

Returns Policy

We have a 14-day return policy. If you are not satisfied with your purchase, please return it in its original packaging and be sure to put the original product packaging inside the shipping box to avoid any damage..

All items must be in their original condition and unused. The value of your purchase will be refunded. .

Shipping charges will not be refunded.

If the return is due to a defective product, you may be compensated for the return shipping.

Please contact us for more details if you need to make a return..


- From 0 to 2 kg - shipping cost: 12,50 euros.

- From 2.001 kg to 30 kg - shipping cost: 17,00 euros.

- From 30,001 kg - shipping cost: 30,00 euros.

In case of collection at our warehouse or resale points - the shipping is free.

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