The Dell Y1H45 AC adapter powers and charges select Dell laptops, providing an external power source at a usual workspace or while travelling. Its 65 W output at 19.5 V and 3-pin C6 connector identify the power rating and connector type for compatible laptop use.
It can replace a laptop power supply that has been damaged or lost. Check that the laptop is compatible with this adapter’s stated output and connector; it is intended for Dell laptop use, not as a general-purpose accessory for unrelated devices.
The listing also describes the adapter as suitable for travel, so it can supply a compatible laptop away from a usual workspace while retaining the stated output and connector. The Y1H45 designation identifies this specific Dell adapter variant.