Lenovo 5A11K67851 power adapter/inverter Indoor 170 W Black

The Lenovo 170W Slim AC adapter (model 5A11K67851) delivers up to 170 watts of power through a compact, slim housing designed to replace or supplement original laptop chargers. It provides a stable DC output for powering compatible Lenovo laptops and supporting high-load activities such as CPU/GPU intensive tasks. The adapter's slim profile and reduced weight make it practical for mobile professionals and frequent travelers who need higher-wattage charging without bulk.

Advantages

This 170W slim adapter offers a balance of high power delivery and a space-saving form factor. It supplies sufficient wattage for demanding applications while maintaining a low-profile connector and cable layout that is easy to route in laptop bags. The adapter is designed to provide stable voltage and current for reliable charging and continuous operation under load. Its slim design reduces storage space and improves portability compared with traditional brick-style chargers.

Suitable for

• Powering Lenovo laptops that require up to 170W for charging and operation
• Running processor- or graphics-intensive tasks such as CAD, video editing, or gaming
• Office and remote work where a compact, higher-wattage adapter is preferred
• Business travel and commuting due to its slim and lightweight design

Key specifications

• Output power: 170 W
• Form factor: slim, low-profile AC adapter housing
• Output type: DC output suitable for Lenovo laptops
• Typical use: charging and powering laptops under medium to high load
• Portability: reduced size and weight compared with standard brick adapters

How to use

Connect the adapter to an appropriate mains outlet using the supplied AC cable, then plug the DC connector into the laptop power input securely. Ensure the laptop is compatible with a 170W power supply and that the connector fits the device before use. When connected, the adapter will provide power to run the laptop and charge the battery; if the laptop is under heavy load, the adapter supports sustained power delivery up to its rated output. Disconnect the adapter from mains when not in use and allow it to cool down if it feels warm after extended operation.

Recommendations

Use the adapter in well-ventilated areas and avoid covering the unit during operation to prevent overheating. Verify compatibility with the laptop’s power requirements before regular use and use the original or manufacturer-recommended cable and connector. Inspect cables periodically for damage and replace any frayed or damaged cords to maintain safe and reliable operation.