In this episode - Your AC Adapter . . . Do you typically carry a laptop, tablet, or phone daily? If so, it's likely that you also find yourself having to lug around a cumbersome charger block. Have you ever stopped to consider how these charging blocks actually work? When you plug your laptop charger into a nearby outlet, it converts the electricity from the wall into the type of power that your laptop needs to function. That’s the obvious answer; here’s a more detailed one. Step-Down Transformer: The charge cycle typically starts with a step-down transformer. This component reduces the high voltage (120VAC) power from the wall outlet to a lower voltage suitable for the laptop's needs. The typical voltage of a laptop battery depends on the specific type and configuration. Most laptops use lithium-ion (Li-ion) batteries, which typically have a nominal voltage of around 3.7 to 3.8 volts per cell. The actual battery voltage can vary since laptop batteries are composed of multiple ...
A smidgen of history, a dash of culture - a minute dedicated to making you smile.