AC adapter Lenovo 135W Slim Tip 5A11K67848 — compatible power supply for Lenovo laptops

The AC adapter Lenovo 135W Slim Tip is a replacement power supply designed for Lenovo laptops that use the Slim Tip connector. It delivers up to 135 watts of power and is intended to restore charging capability for compatible notebooks when the original charger is unavailable or damaged. The adapter features a compact external brick and an integrated Slim Tip plug to connect directly to the laptop charging port, providing stable power for typical mobile computing tasks at home, in the office, or on the road.

Advantages

This adapter provides a rated 135W output suitable for power-hungry Lenovo laptop models that accept Slim Tip connectors. Its compact design improves portability compared with bulkier alternatives, and the single integrated Slim Tip plug simplifies connection without additional dongles. The unit is engineered to deliver consistent voltage and current for charging and operation, and includes basic protection against overload and short-circuit conditions to support safe day-to-day use.

Suitable for

• Replacing an original Slim Tip Lenovo charger that is lost or faulty
• Powering and charging Lenovo laptops during travel and commuting
• Providing a spare charger for home or office use
• Supporting heavy workloads or battery charging where higher wattage is required

Key specifications

• Output power: 135 W
• Connector type: Slim Tip (Lenovo proprietary slim barrel)
• Form factor: external AC adapter (wall adapter with attached cable and plug)
• Input: standard AC mains voltage compatible with regional outlets
• Protections: built-in overload and short-circuit protection

How to use

Connect the AC adapter to an appropriate AC mains outlet using the included power cord or a regionally compatible cord. Insert the Slim Tip connector firmly into the laptop’s power jack until it seats evenly. Ensure the laptop indicates charging (LED or on-screen battery indicator) before leaving the device unattended. Disconnect the adapter by gently pulling the connector from the laptop when charging is complete or before transporting the device. Allow the adapter to cool in a ventilated area during extended use.

Recommendations

Use the adapter with Lenovo laptops that specify a Slim Tip power input and a 135W or compatible wattage rating. Avoid using the adapter in wet or excessively dusty environments, and do not obstruct ventilation openings on the adapter brick. If the laptop or adapter shows signs of damage, overheating, or unusual noise, stop use and consult a qualified technician.