Description
90W Smart AC Power Adapter for Lenovo ThinkPad Workstations & Edge Series, 20V 4.5A Power Supply with 7.9mm x 5.5mm Yellow Tip
Provide reliable energy to your Lenovo enterprise hardware with this 90W smart AC adapter. Specifically engineered for the rigorous demands of ThinkPad workstations and Edge series business laptops, this power supply delivers a constant, surge-protected 20V 4.5A output. Featuring the classic Lenovo yellow-tip barrel connector, this unit ensures a perfect physical fit and stable electrical handshake for your high-performance laptop or desktop mini systems.
Technical Highlights
- 90W High-Performance Output: Provides a stable 20V 4.5A current, precisely tuned to meet the power profiles of legacy ThinkPad and Edge hardware.
- Yellow-Tip Barrel Architecture: Designed with the iconic 7.9mm (outer) x 5.5mm (inner) yellow-tip connector, essential for maintaining stable voltage delivery to Lenovo workstation internal controllers.
- Enterprise Safety Standards: Internal logic monitors and protects against over-voltage, thermal spikes, and short-circuits, ensuring your hardware remains protected during operation.
- Worldwide Grid Ready: Automatically syncs with power infrastructure ranging from 100V to 240V ~ 50/60Hz, allowing for seamless use in international office or home environments.
- Complete Ready-to-Use Package: Includes the 90W power block and a region-specific AC wall cord.
Technical Specifications
| Input Parameters | 100 – 240V ~ 50 – 60Hz (Global Grid Adaptive) |
|---|---|
| Output Voltage | 20 V DC |
| Output Current | 4.5 A |
| Total Power Output | 90 Watts Max Capacity |
| Connector Profiling | 7.9mm (OD) x 5.5mm (ID) Yellow Tip Barrel |
| Package Contents | 1 x 90W Power Adapter + 1 x AC Power Cord |
| Condition | Brand New Industrial Quality |
System Compatibility Matrix
Tip: Use “Ctrl + F” to search for your specific model or part number.
Compatible Lenovo & IBM ThinkPad Business Systems:
• ThinkPad W500 / W510
• ThinkPad Edge: 14 | E120 | E320 / E325 / E335 / E420s / E525 / E535 | S430
• ThinkPad L-Series: L412 / L430 / L520 / L530 | L330
• ThinkPad X-Series: X121e / X130e / X230 / X230i Tablet
Desktop & IdeaPad Series:
• ThinkCentre M72 Desktop | B430 | IdeaPad Z500
Interchangeable Charger Part Numbers:
Purchase with Confidence
- 12-Month Performance Warranty: Direct coverage against manufacturing defects or electrical failure.
- 30-Day Evaluation Period: Straightforward, risk-free return process for total customer satisfaction.






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