型号 A1136 / 30, 60, 或 80 GB 硬盘 / 黑色或白色塑料面板
every time i plug my iPod up and let it charge,and when i unplug it the battery runs out really fast
If you have the original battery in there it probably has just worn out. Replacing it with a new one is what I would recommend. Just make sure to buy the right one as there is a thin and thick version of this iPod.