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Compact black rectangular adapter with USB-C female port and 11.0 by 4.5 mm DC barrel output

LORDWORLD

LORDWORLD USB-C to DC 11.0x4.5mm ThinkPad X1 PD 65W Emulator Trigger Converter Adapter

SKU CH-TEJC-T3BXC

Converts a 65W USB-C charger to an 11.0x4.5mm DC plug delivering 18V-20V for compatible laptops

  • Charge ThinkPad X1 via USB-C using 11.0x4.5mm DC port
  • Built-in PD trigger negotiates 65W from compatible charger
  • Delivers 18V-20V output for laptop charging needs
  • Requires USB-C charger rated above 65W for operation
  • Compact adapter replaces bulky proprietary power brick

USB-C PD trigger adapter for ThinkPad X1

This adapter converts a USB-C power delivery source into a DC 11.0x4.5mm rectangular output for compatible ThinkPad X1 laptops. It requires a 65 W USB-C charger as the input source. The built-in PD emulator trigger negotiates the correct voltage profile automatically. It is intended for users replacing a proprietary barrel charger with a standard USB-C supply.

Sustained load behaviour with 65 W input

The adapter passes the negotiated 18 V to 20 V output continuously while the connected charger maintains the PD contract. No 5 V fallback is supported, so the charger must sustain the higher voltage under load. Output stability depends entirely on the upstream USB-C charger's thermal and current limits. Interruptions occur if the source drops the PD negotiation during heavy laptop demand.

Deciding specification: fixed 18 V to 20 V output

The adapter only delivers voltages between 18 V and 20 V and cannot step down to 5 V or other levels. Buyers whose laptops require a different fixed voltage or a wider negotiation range cannot use this unit. The DC plug dimensions of 11.0 mm by 4.5 mm must match the laptop jack exactly. Chargers below 65 W will not satisfy the trigger condition.

Highlights

  • Charge ThinkPad X1 via USB-C using 11.0x4.5mm DC port
  • Built-in PD trigger negotiates 65W from compatible charger
  • Delivers 18V-20V output for laptop charging needs
  • Requires USB-C charger rated above 65W for operation
  • Compact adapter replaces bulky proprietary power brick

Specifications

BrandLORDWORLD

Questions about this item

Does the adapter generate noticeable heat when running a laptop all day?

The adapter is a passive converter with no active cooling, so it stays cool during normal use.

What charger must I already own for this adapter to work?

A USB-C charger capable of delivering 65W at 18V-20V is required.

Will the 11.0x4.5mm tip fit the DC port on my older ThinkPad X1?

The rectangular 11.0x4.5mm plug matches the X1 DC input, but verify your model uses 18V-20V before connecting.

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