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Lenovo 65W power adapter with round tip, black rectangular brick

Lenovo

Lenovo 4X21K07718 65W power adapter

SKU CH-M7AC-SFSDB MPN 4X21K07718

A 65-watt power adapter with a round tip for compatible Lenovo devices

  • Genuine Lenovo 65W adapter powers compatible laptops reliably
  • Round-tip connector fits supported Lenovo devices securely
  • New condition ensures full performance from first use
  • 65W output delivers sufficient power for charging and operation
  • UPC 195892063117 identifies the exact replacement part

Lenovo 65W round-tip power adapter

This Lenovo 4X21K07718 adapter supplies 65 watts of power through a round connector tip. It is intended for compatible Lenovo laptops and devices that require this specific input type. Buyers needing a replacement or spare unit for supported hardware will find it suitable.

65W output capacity and headroom

The adapter delivers a steady 65W output for charging and running the host device. It comfortably handles the power demands of supported ultraportable and mainstream Lenovo models. Systems requiring higher wattage or a different connector shape cannot use this unit.

Round-tip connector and build implications

The round-tip plug fits the matching DC-in jack on supported Lenovo notebooks. A secure connection reduces the chance of intermittent charging caused by loose contacts. The fixed cable design means the entire adapter must be replaced if the lead is damaged.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $58.99
Pricier than about 82% of the 3,875 comparable items (median $23.99).

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Specifications

Size & build
Shipping weight0.45 kg
Package size262 × 109 × 53 mm

Questions about this item

Will the 65W round-tip adapter work with my existing Lenovo laptop that uses a round-tip input?

The adapter provides 65W output through a round tip connector, matching the input used by many Lenovo notebooks.

How can I confirm the 65W round-tip adapter is functioning correctly after I plug it in?

The laptop should show that it is charging and the battery level should increase while the adapter is connected.

Does the Lenovo 4X21K07718 package include a mains cable or only the adapter brick?

The product is supplied as the adapter unit itself; a compatible AC mains lead for your region must be obtained separately.

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