generator or battery

An old car can start only when jumping. When it is off, can't re-start. It has been long time, but still has some power for the lights, not able to start.
What's wrong?

所有跟帖： 

• 电池旧了就先换电池。 -搬家了- ♂ (104 bytes) () 08/24/2010 postreply 17:31:01

• Battery -Lyedge- ♂ (62 bytes) () 08/24/2010 postreply 18:56:42

• 去autozone免费检查.总要跳,发电机坏的可能性大 -满地找牙- ♂ (0 bytes) () 08/24/2010 postreply 20:32:30

• 发电机坏了车子只能运行几分钟. -pop3- ♂ (82 bytes) () 08/25/2010 postreply 06:50:28

• 电池坏与发电机坏的区别 -桥盲- ♂ (200 bytes) () 08/25/2010 postreply 07:16:04

• 我觉得不像是发电机的问题 -qyz- ♂ (151 bytes) () 08/25/2010 postreply 07:34:52

• 我曾有辆车，发电机不工作，将电池充足电后可保证车子运行2星期? -pop3- ♂ (38 bytes) () 08/25/2010 postreply 08:35:47

• 发动车用的电比想象的少 -搬家了- ♂ (213 bytes) () 08/25/2010 postreply 11:02:54

• that's must be a very very old car -11940- ♂ (267 bytes) () 08/25/2010 postreply 08:39:30

• 也许是电瓶车：）） -桥盲- ♂ (0 bytes) () 08/25/2010 postreply 08:55:33

• 看来你的电池特牛！ -桥盲- ♂ (0 bytes) () 08/25/2010 postreply 08:54:36

• It was 1981 Honda Civic. -qyz- ♂ (101 bytes) () 08/25/2010 postreply 11:30:47

• 1981 是爷爷级别了 -满地找牙- ♂ (195 bytes) () 08/25/2010 postreply 11:57:07

• The key is to find where the problem is. -QYZ- ♂ (941 bytes) () 08/25/2010 postreply 11:46:48

• 回复：The key is to find where the problem is. -newtiger- ♂ (71 bytes) () 08/25/2010 postreply 18:36:13

• in this case, it is more likely either the alternator or -QYZ- ♂ (527 bytes) () 08/25/2010 postreply 19:03:59