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Re: [ST] Flat Battery



On Wednesday 07 March 2007 03:23, Kevin Dicks wrote:
> Current is not the same as Voltage. Just look at the size of a car's 
> battery in comparison to a bike's.

But it's the same voltage. The larger size means more amp-hours, so it can 
power a given load for a longer time - or a larger load for the same length 
of time - before it becomes discharged.

> The car battery needs more current to 
> charge it - even though the voltage is the same as the bike's (give or
> take).

It doesn't need more current to charge it, it needs more amp-hours to charge 
it. Whether you do that by using a larger charge current in the same time, or 
use the same charging current for a longer time, is up to you. The *maximum* 
recommended charging current will be larger, but you don't have to charge it 
at the maximum rate, it'll just take longer.


Eoin

'04 ST955i

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