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We would like to respond openly to every negative review about us. Many are posted anonymously, so we cannot reach those customers directly. This open letter is our reply, and we would be grateful if you took a moment to read it.

But here is what a one-star review will never tell you:

  • We import from 70+ official distributors. That is why you pay far less than local retail — and why delivery takes longer. We publish the date before you pay, never after.
  • You can pay only when your goods land in Johannesburg. Pay on Arrival, no full payment up front. Ask yourself what scammer offers that.
  • Nobody has ever lost money with us. You get the product, or you get a refund. There is no third option, and there never has been.
  • We are part of the ITwork group — ten years trading in Europe, nine stores, thousands of positive reviews.
  • Johannesburg and Cape Town stores open this year — real shelves, real stock, walk in and buy the same day.

We are not satisfied with our review scores, and we are not going to fix them by hiding anything. We are fixing them by being faster, clearer and easier to reach than any reason to complain.

Read the full letter — photos and video of real shipments, and a straight answer to every accusation.

Problem with an order right now? Write to [email protected], [email protected] or [email protected] — answered the same business day. The letter also lists our group and store owners' contacts.
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3MK PROTECTION Acer, Sony 20V USB-C Female to 5.5 x 1.7mm - 3mk Hardy Laptop Power Adapter

3MK PROTECTION Acer, Sony 20V USB-C Female to 5.5 x 1.7mm - 3mk Hardy Laptop Power Adapter
3MK PROTECTION Acer, Sony 20V USB-C Female to 5.5 x 1.7mm - 3mk Hardy Laptop Power Adapter
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R409
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The 3mk Hardy Laptop Power Adapter is a versatile converter cable designed to power Acer and Sony laptops that require a 5.5mm x 1.7mm DC input at 20V. It connects a USB-C Power Delivery (PD) charger to your laptop, enabling convenient charging with modern USB-C technology. This adapter supports up ... Read More
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Stock 3 Code 3029212 Brand 3MK PROTECTION Model 5903108753609 Warranty 2 Years

Shipping & Returns

Estimated delivery Wednesday, September 30
You will be kept updated through our detailed tracking system
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The 3mk Hardy Laptop Power Adapter is a versatile converter cable designed to power Acer and Sony laptops that require a 5.5mm x 1.7mm DC input at 20V. It connects a USB-C Power Delivery (PD) charger to your laptop, enabling convenient charging with modern USB-C technology. This adapter supports up to 100W (20V/5A) and includes multiple protection features for safe operation.

Advantages

Compact and lightweight design makes it easy to carry. Plug-and-play functionality ensures instant use without drivers. Overload, short circuit, over voltage, and over current protection safeguard your devices. Compatible with any USB-C PD charger, offering flexibility and future-proofing.

Suitable for

  • Acer laptops with 5.5x1.7mm DC input (20V)
  • Sony laptops with 5.5x1.7mm DC input (20V)
  • Other laptops requiring 20V DC via 5.5x1.7mm barrel connector

Key specifications

  • Input: USB-C Female (connects to USB-C PD charger)
  • Output: DC Barrel Male 5.5mm x 1.7mm
  • Output Voltage: 20V DC
  • Max Power: 100W (20V / 5A)
  • Cable Length: Approx. 15 cm
  • Colour: Black
  • Housing Material: ABS / PVC
  • Connector Plating: Nickel
  • Operating Temperature: 0°C to 45°C
  • Certifications: CE, FCC, RoHS (expected)

Recommendations

For optimal performance, use with a USB-C PD charger that supports at least 65W output. Ensure your laptop's DC input is 5.5mm x 1.7mm and requires 20V. This adapter is not a charger; it requires a separate USB-C PD power source.

Specifications
Brand
3MK PROTECTION
Category
Power Adapter Cable
Circuit Protection
Overload, Short Circuit, Over Voltage, Over Current
EAN
5903108753609
External Color
Black
Input voltage
5V-20V (from USB-C PD source)
Maximum Output Power
100W
Model
5903108753609
MPN
5903108753609
Power Device Type
Converter Cable
Power output
100W
Product colour
Black
Product type
Power Adapter Cable
Price history over the last 6 months
3MK PROTECTION Acer, Sony 20V USB-C Female to 5.5 x 1.7mm - 3mk Hardy Laptop Power Adapter
Current
R409
Lowest
R394
Highest
R409
Change 24H
+R10   +2%
Week
+R14   +4%
Month
+R9   +2%

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