Re: [ARMini-support] Battery charge level
- From: Chris Hall <chris@xxxxxxxxxx>
- To: armini-support@xxxxxxxxxxxxx
- Date: Thu, 15 Mar 2012 10:26:27 GMT
In message <197f377052.Andrew-Pin@xxxxxxxxxxxx>
Andrew Pinder <Andrew.Pinder@xxxxxxxxxxxxx> wrote:
> In message <400f216d52.Andrew-Pin@xxxxxxxxxxxx>
> on 8 Mar 2012 Andrew Pinder <Andrew.Pinder@xxxxxxxxxxxxx> wrote:
>> I turned mine off overnight and it dropped from 2.732V down to 2.600V.
>> It varies by about 0.01V over about 60-90 seconds.
> After six days of being on continuously, it has now gone up to 2.838V.
> So at that rate it could take another 12 days to reach 3.1V. Of
> course, if the charging rate depends on the difference, then it will
> take longer.
> Regards
> Andrew
It is rather more complex than that: apart from when the battery is
almost fully discharged and fully charged, the voltage only changes
slightly as it goes from (say) 10% charged to (say) 90% charged. Once
it is nearly fully charged, the voltage starts rising steeply until it
is fully charged. So it might only get to 2.9V then rise steeply to
3.1V. The data sheet will indicate the charging characteristic.
--
Chris Hall <chris@xxxxxxxxxx>
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