Lenovo 5A11K67850 fuente de alimentación interior 170 W negro

Replacement AC adapter for Lenovo laptops, rated at 170W and designed to provide mains power and battery charging for compatible Lenovo notebook models. The adapter features a compact slim design for convenient transport and desk use, delivering the power required to maintain stable voltage and continuous operation. It is intended as a spare or replacement unit to restore laptop power when the original adapter is unavailable or faulty.

Advantages

The adapter delivers a consistent 170W output suitable for higher-performance Lenovo notebooks while keeping a compact form factor for portability. Built-in safety protections guard against overcurrent, overvoltage and short circuits to help protect the connected laptop. Its standard connector and stable power delivery support both charging and direct mains operation, reducing interruptions during work or charging cycles.

Suitable for

• Replacing a lost or damaged Lenovo laptop power adapter
• Keeping as a spare adapter for travel or office use
• Supplying power to compatible Lenovo notebooks during intensive tasks
• Charging the notebook battery while maintaining system operation

Key specifications

• Output power: 170 watts
• Output current: 5 A (nominal)
• Input: AC mains voltage compatible with standard regional supplies
• Connector type: Lenovo-compatible round/rectangular connector (model-specific fit)
• Design: slim, compact housing for portability
• Safety: built-in protection against overcurrent, overvoltage and short circuit

How to use

Connect the adapter to the laptop input jack and then plug the AC mains cord into a suitable wall outlet. Ensure the connector is fully seated in the laptop power port and that the mains plug is inserted securely. Observe the laptop charging indicator to confirm the unit is supplying power and charging the battery. Disconnect by unplugging the AC plug from the wall first, then remove the connector from the laptop to avoid electrical arcing.

Recommendations

Use the adapter in a well-ventilated area and avoid covering the unit during operation to prevent overheating. Verify connector compatibility with your specific Lenovo notebook model before use. If the adapter becomes unusually hot, emits odors, or shows visible damage, stop using it and replace it with a certified unit. For best results, store the adapter in a dry environment and avoid exposure to extreme temperatures or moisture.