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Dave Plowman (News) Dave Plowman (News) is offline
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Default OT: Car battery volt drop

In article ,
Fredxx wrote:
The best way of checking is to pulse a known current and measure
internal resistance. Though that tells you the stored charge rather than
state of charge.


I have an ACT tester. Expensive bit of kit. But calculates the actual
battery capacity. It's never let me down. Although I can generally tell
when my own battery is past it anyway.

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Dave Plowman London SW
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