Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW
Lenovo power adapter/inverter Universal Black Plug. Key specifications include Purpose: Laptop, Connector(s): 3-pin, Output power: 135 W, Compatibility: ThinkPad T440s, Input voltage: 100-240 V, LED indicators: Yes. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.