AC adapter Lenovo Delta ADP90DD BC 90W (model 36200431) for compatible Lenovo laptops

The AC adapter Lenovo Delta ADP90DD BC 90W is a replacement power supply designed to deliver stable 90-watt output to compatible Lenovo laptops. It connects between a mains outlet and the laptop power input to charge the battery and provide continuous power during use. The unit features a compact form factor that supports portability for mobile work and home office setups while maintaining consistent voltage and current for reliable operation.

Advantages

The adapter offers a consistent 90W power rating that fits a range of Lenovo notebook models, providing reliable charging and stable operation under typical office and travel conditions. Its compact design and lightweight construction make it convenient to carry as a spare or replacement unit. Built with standard safety protections, the adapter helps prevent overcurrent, overvoltage and short-circuit conditions during normal use.

Suitable for

• Charging compatible Lenovo laptops at home or in the office
• Using as a spare adapter for travel or remote work
• Powering devices during prolonged work sessions or presentations
• Replacing a lost or damaged original power supply

Key specifications

• Output power: 90 W
• Input: standard AC mains
• Output: DC power suitable for compatible Lenovo laptop power inputs
• Connector type: laptop power plug compatible with supported Lenovo models
• Design: compact, portable housing
• Protection features: overcurrent, overvoltage and short-circuit protection

How to use

Connect the adapter to a suitable mains outlet using the supplied AC cable, then plug the DC connector into the laptop's power input. Verify the laptop indicates charging and allow the battery to charge until full or use the laptop tethered to mains power for continuous operation. Disconnect the adapter from the mains before storing or when not in use for extended periods.

Recommendations

Use this 90W adapter with laptops explicitly listed as compatible with its connector and power rating. Avoid using the adapter if the connector or cable shows visible damage. Operate the adapter within the specified ambient temperature range, keep it on a flat, ventilated surface during charging, and use original or certified cables to ensure safe and stable performance.