What The Tech: Cables and chargers for your tech devicesby Justin WalkerBY JAMEY TUCKER, Consumer Tech ReporterMany students are heading back to school with a Chromebook, iPad or laptop they are expected to charge at home. USB-C cables are not all the sameThe charging block is only half of the equation. USB-C cables may look nearly identical, but they do not necessarily support the same amount of power. Apple and other manufacturers sell USB-C cables rated for different power levels, including 60 watts and 240 watts. Finally, replace damaged charging cables.