Description
90W Smart AC Power Adapter for Lenovo IdeaPad & IdeaCentre All-in-One PCs, 20V 4.5A Power Supply with 5.5mm x 2.5mm Barrel Tip
Maintain peak performance for your classic Lenovo hardware with this reliable 90W smart AC power adapter. Engineered to support the energy-intensive needs of Lenovo IdeaPad notebooks and compact IdeaCentre All-in-One systems, this unit provides a steady 20V 4.5A power stream. Equipped with the universal 5.5mm x 2.5mm barrel connector, it ensures a secure and stable power interface for a wide range of legacy Lenovo mobile and desktop systems.
Technical Highlights
- 90W High-Efficiency Output: Delivers a consistent 20V 4.5A current, designed to support both portable laptop charging and the steady power requirements of compact desktop All-in-One PCs.
- Standardized Barrel Connector: Uses the highly compatible 5.5mm (outer diameter) x 2.5mm (inner diameter) connector, offering broad compatibility across multiple Lenovo and IBM legacy product lines.
- Integrated Circuit Safety: Built-in protection architecture guards against over-voltage, thermal overload, and short circuits to protect your hardware investment.
- Universal Global Grid Adaptive: Intelligently syncs with varying power inputs between 100V and 240V ~ 50/60Hz, providing reliable functionality globally.
- Ready-to-Use Set: Includes the 90W power brick and a localized AC wall power cord tailored to your region.
Technical Specifications
| Input Parameters | 100 – 240V ~ 50 – 60Hz (Worldwide Grid Compatible) |
|---|---|
| Output Voltage | 20 V DC |
| Output Current | 4.5 A |
| Total Power Output | 90 Watts Max |
| Connector Size | 5.5mm (OD) x 2.5mm (ID) Standard Barrel Tip |
| Package Contents | 1 x 90W Power Adapter + 1 x AC Power Cord |
| Condition | Brand New Industrial Build |
System Compatibility Matrix
Tip: Use “Ctrl + F” to search for your specific model or part number.
Compatible Lenovo & IBM Systems (Partial List):
• IdeaPad G485 / G570 / G575 / G580 / G585 / G770 / G780
• IdeaPad N581 / N585 / N586 | P500 / P580 / P585
• IdeaPad V570 | Y570 | Z370 / Z380 / Z500 (Touch) / Z570 / Z575 / Z580 / Z585
• Essential G570 | G470 / G475IBM Legacy & IdeaCentre All-in-One (AiO):
• IdeaPad S10 / S10e (IBM branding)
• IdeaCentre A320 | C345 | C445 | C205
• Lenovo B570 / B570e / B570e2
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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