Lenovo ThinkPad 90W AC Adapter - 90 Watt Power Supply (40Y7659)

Running out of battery during a critical presentation or while traveling can bring your work to a halt. The Lenovo ThinkPad 90W AC Adapter ensures your ThinkPad stays powered, whether you're at your desk, in a meeting, or on the road. This genuine Lenovo adapter delivers reliable 90-watt charging, so you never have to worry about unexpected shutdowns.

Who is it for

This adapter is essential for professionals, students, and frequent travelers who rely on their Lenovo ThinkPad for daily productivity. It's perfect as a replacement for a lost or damaged adapter, or as a spare to keep in your bag or at a secondary workstation. If your ThinkPad requires 90W of power with a 7.9mm round barrel connector, this is the exact match you need.

Main features

• 90W output for fast, efficient charging of compatible ThinkPad models
• Wide input voltage range (100-240V) for global use without a voltage converter
• Durable black casing with built-in protection against overload, short circuit, over-voltage, and over-temperature
• Energy-efficient DOE Level VI compliance reduces power consumption when idle
• Includes power cord for immediate use

Specifications

• Product Type: AC Power Adapter
• Power Output: 90 W
• Input Voltage: AC 100-240 V
• Input Frequency: 50/60 Hz
• Output Voltage: DC 20 V
• Output Current: 4.5 A
• Connector Type: 7.9mm x 5.5mm Round Barrel Tip (with center pin)
• DC Cable Length: 1.8 m (6 ft)
• AC Cable Length: 1.2 m (4 ft)
• Color: Black
• Protection Features: Overload, Short Circuit, Over-voltage, Over-temperature
• Energy Efficiency: DOE Level VI
• Included Accessories: Power Cord
• Certifications: CE, FCC, RoHS

Tips

To maximize battery lifespan, unplug the adapter when your ThinkPad is fully charged. When traveling internationally, you only need a plug adapter for the wall outlet—the adapter itself handles voltages from 100 to 240V automatically. Keep the cable loosely coiled to prevent internal wire damage.