I am not understanding something fundamental to amperage: Consider this adapter which outputs 12V 7A. It claims that several (eight, in this case) devices running at 12V 5A can draw enough power from ...
Couple of days ago I replaced my laptop adapter, and when I use that, some amount of current discharges through the sockets,ports...etc (i.e. audio out). So I checked the adapter with a Test Pen (I ...
The AC adapter supplied with my laptop is designed to accept voltage in the range of 100-240VAC at 50-60Hz, but the AC cable that plugs into the adapter unit itself is only rated to 125VAC 7.5A 2.5A. ...
I bought an Apple MacBook in the US and would like to use it in Italy. On the cable, it says: 2.5A 125V. What are the possible solutions to charge my computer? Use an adapter, a plug converter or an ...