AC Adapter Lenovo 135W Slim 5A11K67846 – Replacement power supply for Lenovo laptops

Lenovo AC Adapter 135W Slim (model 5A11K67846) is a replacement power supply designed to provide reliable power to compatible Lenovo laptops. The adapter delivers up to 135 watts in a slim, compact enclosure and uses the manufacturer-specified DC connector to charge the battery and power the system during use. It is intended as a direct replacement or spare unit for systems that require a 135W input and the corresponding Lenovo plug.

Advantages

The slim design reduces bulk while maintaining a high power output suitable for performance-oriented laptops. Built-in protection features guard against overcurrent, overvoltage and short circuits to help protect the laptop and battery. The adapter provides steady voltage and current for charging and operation, and its compact housing and integrated cable management make it convenient to carry and store with a laptop bag.

Suitable for

• Replacing a lost or damaged Lenovo 135W AC adapter
• Using as a spare power supply for travel or office
• Powering Lenovo laptops that require 135W when performing high-load tasks
• Maintaining battery charging and system operation during extended use

Key specifications

• Output power: 135 W
• Form factor: slim, compact adapter housing
• Connector type: manufacturer-specified Lenovo DC plug
• Protection: built-in overcurrent, overvoltage and short-circuit protection
• Cable: integrated output cable with molded connector
• Primary use: AC mains to DC laptop power conversion

How to use

Connect the adapter to a compatible AC mains outlet using the included or appropriate mains lead, then insert the DC plug into the laptop's power input port until it seats securely. Ensure the laptop recognizes the adapter and begins charging; the laptop's battery indicator or operating system should show charging status. Disconnect the adapter from the mains before storing and avoid pulling on the cable when removing the connector from the laptop to reduce wear.

Recommendations

Use the adapter with Lenovo laptops that specify a 135W input and the matching DC connector. Avoid exposing the adapter to moisture, extreme temperatures or prolonged direct sunlight. For consistent performance, inspect cables and connectors regularly and replace the adapter if you observe excessive heat, frayed cables, or intermittent charging.