I went the PIC route for a battery charger. It wasn't the lowest part=20
count though.  Each battery is charged to get the max charge . It has  a=20
routine where the batteries  charge for a period of time, about 10=20
minutes, then are switched off,  allowed to rest for 20 seconds and then=20
the voltage checked with a load switched in by the PIC. Each battery is=20
connected to a separate ADC on the PIC and if below the limit is charged=20
more. The great thing about this setup is that it never heats up the=20
batteries much during the charging routine and the run time on the=20
batteries is longer than with any charger I had used before.

Mark





On 10/17/2011 9:18 PM, Jason White wrote:
> What other cheap/low part count methods are there to safely charge batter=
ies
> ?
>



--=20
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