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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.
Lenovo GX20K16005 65W Round-Tip AC Adapter
Overview
The Lenovo GX20K16005 is a 65W AC adapter using the round-tip connector format, UL listed for safety compliance. It replaces or supplements a lost or failed OEM power supply for compatible Lenovo notebooks — the correct choice when you need a genuine, factory-new unit rather than a third-party substitute that may not meet original power delivery tolerances. At 65W output, it handles standard productivity notebooks without tripping thermal limits during sustained load, and UL certification means it has passed independent safety testing for use in commercial environments.
Compatibility
Designed for Lenovo notebooks that accept the round-tip barrel connector and require a 65W supply. Verify your specific model's required tip style and wattage against Lenovo's compatibility listings before ordering — round-tip and slim-tip connectors are not interchangeable, and some 65W platforms require the slim-tip variant instead. Check your existing adapter's label for output voltage, amperage, and tip designation to confirm a match.
Lenovo 65 W Round-tip AC Adapter (ul) - GX20K16005
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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.
Deployment & Configuration Support
- Access fixed-scope support for rollout planning
- User setup guidance
- Migration and system standardization across single-site or multi-site deployments
Guides, Tools & Calculators
- PoE requirements
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