[FreeBay] Re: FreeBay Digest, Vol 22, Issue 3

[Doug Younker]

Just don't forget the battery packs of topic aren't 12 V., 7.2, if I 
recall correctly.  I believe the voltage output of the original charger 
wart was ~9 V. .  My rechargables puked long ago, so I using the dry 
cell case.
Doug, N0LKK


Frank wrote:
> Richard wrote:
>> No, it won't. You need to regulate the charge rate so as to not 
>> overcharge
>> the battery.
>>
>>   
> I got in on the middle of this.  I bet someone is trying to charge 
> nicads, but it dont matter, lead acid need a controlled charging rate 
> too.  The cheapies do that by limiting the charge current with a series 
> resistance.  0.1 x capacity is generally considered a safe charge rate.
> 
> when is comes to nicads, a pulse charge may be more effective.  Zero to 
> high level to zero and back again.  How hi?  Dont know, depends on 
> battery and charger capacity.  Best to google the subject and do 
> whatever sounds most logical.
> 
> Yes, you can charge any 12volt battery by connecting it to a 13.6vdc 
> supply, but how you connect it and how well you limit the current drawn 
> may make a big difference in if you will ever be able to use tha battery 
> again.
> 
> Regards,
> Frank Kamp
> 
>