Image coming soon
Product images are provided for reference and may not represent the exact model, configuration, or included components.

No Bots, Just Experts

Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

Lenovo 4X20E50558 135W AC Power Adapter

Overview

The Lenovo 4X20E50558 is a 135W AC adapter rated for 100–240V input at 2.5A, 50–60Hz — a wide-range universal supply that handles both North American and international mains without a separate converter. At 135W output, it delivers enough headroom for high-performance Lenovo ThinkPad and ThinkStation workloads where lower-wattage adapters throttle performance under sustained CPU and discrete GPU load. The universal input range makes it a practical spare or replacement for deployments spanning multiple sites or regions.

Compatibility

Designed for Lenovo systems requiring a 135W slim-tip or square-tip AC adapter — verify the tip type and output voltage on your specific Lenovo ThinkPad or ThinkStation model before ordering, as Lenovo uses multiple connector standards across its product families. Confirm compatibility using the Lenovo parts lookup tool with the 4X20E50558 part number or cross-reference against your system's service manual. Not interchangeable with USB-C Power Delivery adapters or the 65W/90W slim-tip variants used in thinner ThinkPad lines.

Specifications
Overview: 4X20E50558 - AC ADAPTERS - 100-240 V 2.5A 50-60 HZ - 135WATT
Q&A
Reviews

Lenovo 4X20E50558 - AC Adapters - 100-240 V 2.5A 50-60 HZ - 135WATT

$129.99

RELATED PRODUCTS

Save $8.00
Geovision GV-POE1601 Switch - GV-POE1601 V2 - 100 240 V/ac

Geovision GV-POE1601

Geovision GV-POE1601 Switch - GV-POE1601 V2 - 100 240 V/ac

802.3af PoE switch for IP cameras, intercoms, and access control

  • 802.3af PoE delivers up to 12W per port for cameras, readers, and intercoms.
  • Accepts 100–240V AC input, eliminating voltage converters in global deployments.
  • ONVIF-compliant pass-through integrates with any standards-based VMS or controller.
Usually Ships in 2-3 Weeks Free shipping over $499
$337.99 $329.99 Save $8.00
The item has been added Add to quote
$337.99 $329.99 Save $8.00
Save $8.00 Add to quote

System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

System Design Assistance

  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
Request Design Help

Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
View Support Services

Guides, Tools & Calculators

  • PoE requirements
  • Storage retention
  • Camera selection and deployment methodology
Open Technical Resources