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Black rectangular power brick with slim-tip connector and US two-pin plug

Lenovo

Lenovo 4X20S56697 ThinkPad Slim 170W AC Adapter (Slim-tip)

SKU CH-QWRD-HQHG6 MPN 4X20S56697

Slim 170 W AC adapter with slim-tip connector for ThinkPad mobile workstations, 100-240 V input and 440 g weight

  • 170W output powers demanding ThinkPad Mobile Workstations
  • Slim-tip connector fits compatible ThinkPad charging ports
  • Slim 22mm profile stores easily in a laptop bag
  • 440g adapter weight keeps travel load light
  • 100-240V input works worldwide with local line cord

Lenovo ThinkPad 170W Slim AC Adapter

The Lenovo ThinkPad 170W Slim AC Adapter delivers 170W of power through a Slim-tip connector for compatible ThinkPad Mobile Workstation machines. It serves as a direct replacement or spare unit for professionals who need reliable charging at a desk or while travelling. The adapter operates on 100-240V input at 50-60Hz for worldwide use. Its black finish matches the ThinkPad aesthetic.

Upgrade from older bulky adapters

This slim model replaces earlier, larger power bricks that supplied the same wattage but occupied more bag space. The jump is worth it when a lighter 440g adapter improves daily portability without reducing charging performance. It supports the same 100-240V input range and Slim-tip interface as previous units. Packed weight is 750g including the C7 2-pin US line cord.

170W capacity for mobile workstations

The 170W output comfortably handles high-performance mobile workstations during intensive workloads and simultaneous charging. Headroom exists for sustained CPU and GPU loads typical of professional applications. The adapter runs within a 0-40°C operating temperature range and up to 80% relative humidity. It is not suited for devices requiring higher wattage or a different connector type.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $124.99
Pricier than about 90% of the 8,808 comparable items (median $16.99).

Specifications

Size & build
Shipping weight0.64 kg
Package size241 × 152 × 51 mm

Questions about this item

Does the 150 mm length and 77 mm depth fit inside my laptop bag sleeve?

The adapter body measures 150 mm long, 77 mm deep and 22 mm high, so it will slide into most standard laptop sleeves.

Which way does the slim-tip connector insert, and what is the common mistake?

The slim-tip plug is keyed; push it straight in until it clicks — forcing it upside-down bends the pins.

How often should I replace the C7 line cord?

Inspect the cord every six months; swap it if the insulation cracks or the plug feels loose.

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