| 摘要 |
A portable wire reel capable of doing emergency charging work is provided. The wire reel includes a main body having a chamber therein and a wire slot thereon; a circuit unit disposed in the chamber; a universal serial bus (USB) connector electrically connected with the circuit unit; an input line having one end electrically connected with the circuit unit and the other end connected with a plug, wherein the input line is wound around the main body lengthwise within the wire slot; and a battery connecting base electrically connected with the circuit unit.
|
