| 摘要 |
An electrical charging system 1 comprises, means 2, 3 for connecting the system to a source of electrical power such as a domestic 230-250V mains supply, a transformer 4 for converting the supply voltage to, for example, 5 volts, and up to 30 USB charging outlets 5 on a plate 6 connected to the transformer 4 so that a plurality of electrical devices 7 such as digital cameras and PDAs to be charged at the same time. |
