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Black rectangular power adapter with DC output cable

Graviton

Graviton 20V 8.5A 170W AC/DC Adapter For Lenovo ThinkPad 45N0117 W520 W530

SKU CH-AJQE-DY74Z

170 W 20 V 8.5 A AC/DC adapter powers Lenovo ThinkPad W520 and W530 models

  • Delivers 170 W for demanding ThinkPad workloads
  • Wide 100-240 V input works worldwide
  • CE certified for safety compliance
  • Purpose-built for W520 and W530 models
  • Compact plug-in design with DC output

Compatible ThinkPad Adapter

This 20V 8.5A 170W AC/DC adapter replaces the Lenovo 45N0117 unit for ThinkPad W520 and W530 laptops. It delivers 170W of regulated DC power through a plug-in barrel connector. The unit accepts a universal 100-240V AC input for worldwide use. It is sold as a new adapter without an AC power cord.

Mobile Workstation Owners Needing 170W

The adapter suits owners of ThinkPad W520 or W530 models that require the full 170W output for charging under load. It will not meet the needs of users whose laptops demand a higher wattage rating or a different output voltage. Buyers who need an included AC mains cable should look at something else. Anyone with a different ThinkPad series should verify the exact part number before ordering.

Deciding Specification 20V 8.5A Output

The single specification that decides fitment is the 20V 8.5A DC output delivering 170W. Only laptops specifying this exact voltage and current combination should use this adapter. The 100-240V AC input range supports global mains standards. The package contains the adapter only with no power cord supplied.

Highlights

  • Delivers 170 W for demanding ThinkPad workloads
  • Wide 100-240 V input works worldwide
  • CE certified for safety compliance
  • Purpose-built for W520 and W530 models
  • Compact plug-in design with DC output

Specifications

No published specifications for this item yet.

Questions about this item

Will the 170W output sustain a full-load ThinkPad W530 without throttling?

The adapter delivers 20V at 8.5A for a continuous 170W, matching the W530's factory rating so it can maintain full performance under sustained load.

How much heat or fan noise does the 20V 8.5A brick produce when running all day?

The unit is a passively cooled brick with no fan, so it generates only normal warmth at 170W and produces zero audible noise during extended use.

Does the package include the IEC C5 mains lead for UK sockets?

The box contains only the AC adapter itself; you must already own a compatible C5 power cord to connect it to the wall.

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