US Patent 7952487 Device charging

A system may include a battery powered device and a cable used to charge the battery powered device. The cable may include a first connector to connect to the battery powered device and a second connector to connect to a power source. The cable may also includes a flexible portion located between the first connector and the second connector. The flexible portion may include an inner portion that includes an electrical conductor and an outer portion that includes a transparent or translucent material. The cable may further include at least one light source and circuitry to activate the light source based on a charge status of the battery powered device. The activated light source may illuminate at least a portion of the cable.