AlaskaAir: Alaska Air sets the bar high, with individual power outlets and USB ports on each seat on the plane. American Airlines: American has power outlets on most of their planes, but like
APD laptop will negotiate the power it can from a PD source. If your laptop is 65W, it will still charge from 45W, just slower. If you are using it full power, it may just maintain charge, it will charge super slowly or maintain battery, and with the laptop off it will just charge slower than with the other charger, but still will.
Asidefrom being a fire hazard, the heat will also have a detrimental effect on the power adapter. In any case, once your charger starts making noise, it may already be too late to fix the issue. But, there's a way to troubleshoot the issue to find the cause of the noise and fix it. 1. Check the Charger for Damage.

Phoneand laptop chargers that don't contain a lithium battery are allowed on planes within the US. You can pack them in hand and checked luggage, and it doesn't matter whether they're plug-in type or wireless. The only requirement is that the wires should be securely wrapped, in case they need to be removed for additional screening.

configureUSB always on feature. About Lenovo + About Lenovo. Our Company News
Youcan also use a MagSafe Duo Charger or Apple Watch Magnetic Charging Dock (sold separately). Plug the charging cable into the power adapter (sold separately). Plug the adapter into a power outlet. Fast charging requires an 18W or greater USB-C Power Adapter. See the Apple Support article About fast charge on Apple Watch.
SamsungSuperFast Charging 2.0 (45W) Travel Adapter: $50 / £39 / €50 / Rs. 2,999. As an official accessory, Samsung's 45W Charger comes in a selection of plug socket variants for use
ChargingiPhone or Android phone using laptop when laptop is shut down. It's possible to charge your phone or any other USB device using your laptop even when your laptop is shut down provided that your laptop supports it. That is, not all laptops send power to USB ports when they are turned off. The feature drains out the battery if a device To2kT.
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    • can you charge a laptop with phone charger