You need a Battery Tester to test the battery...

來源: 2019-02-11 11:40:25 [] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (409 bytes)
回答: 車子沒電但是電池似乎有電newifu2019-02-10 19:22:03

First check the battery CCA?  Most battery 600~800

Now, you need to know (R, V, I)

The V > 12.6

Internal resistance New < 3.0, ok < 6,  bad > 12.  need to be replaced > 20

CCA > 200.  Most good bettery CCA > 600.

If you have all these info then I can tell you good or bad of the battery.

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