Keeping a business laptop powered throughout the day requires a charger that matches the correct electrical specifications and connector design. The Lenovo SA10J20149 PA-1650-72IS AC Adapter provides 65W of power with 20V DC output at 3.25A, using the Lenovo Slim Tip rectangular connector for compatible ThinkPad and Lenovo laptop systems.
This 65W laptop power adapter is designed for users replacing a lost, damaged, or unreliable charger. With universal 100-240V AC input support and a compact Slim Tip design, it provides a practical charging solution for compatible Lenovo notebooks used in offices, classrooms, travel environments, and everyday computing applications.
Technical Specifications
| Brand | Lenovo |
| Manufacturer Model | Lite-On PA-1650-72IS |
| Lenovo Part Number | SA10J20149 |
| Product Type | Laptop AC Power Adapter |
| Input Voltage | 100-240V AC |
| Input Frequency | 50/60Hz |
| Output Voltage | 20V DC |
| Output Current | 3.25A |
| Maximum Output Power | 65W |
| Connector Type | Lenovo Slim Tip Rectangular Connector |
| Connector Style | Square Yellow Tip |
| Polarity | Center Positive |
Compatible Devices
- Lenovo ThinkPad T Series Laptops
- Lenovo ThinkPad X Series Laptops
- Lenovo ThinkPad L Series Laptops
- Lenovo Business Laptop Systems Requiring 20V 3.25A Slim Tip Charger
- Lenovo Computers Using 65W Slim Tip AC Adapter
OEM Replacement Compatibility
This adapter is compatible with the following power adapter models and part numbers:
- Lenovo SA10J20149
- Lite-On PA-1650-72IS
- PA-1650-72
Replacement & Maintenance
A failing laptop charger may cause slow charging, intermittent power connection, battery charging problems, or unexpected shutdowns when operating without battery support. Replacing the adapter with the correct 65W Lenovo Slim Tip specification helps restore stable charging performance for compatible laptop systems.
FAQ
What are the output specifications of Lenovo SA10J20149?
This adapter provides 20V DC output at 3.25A with a maximum power rating of 65W.
What connector does this Lenovo charger use?
It uses a Lenovo Slim Tip rectangular connector, commonly recognized as the yellow rectangular laptop charging tip.
Can this replace PA-1650-72IS?
Yes, Lenovo SA10J20149 is associated with the PA-1650-72IS adapter model and can replace units requiring the same electrical specifications and connector type.
How do I check if this adapter fits my laptop?
Verify that your laptop requires 20V 3.25A power and uses a Lenovo Slim Tip connector before ordering.
