<jimmmboe@hotmail.com> wrote:
> "SleeperMan" <too.sleepy@home.net> wrote in message
> news:NHCOa.93$2B6.18427@news.siol.net...
>> <correoschafa@hotmail.com> wrote:
>>>> Yes you are right, the batteries get really hot after 3 hours of
>>>> charging.
>>>
>>> Batteries used to get really hot on my Rayovac PS4 1-hour charger. I
>>> put a small fan blowing air onto the charger, and now batteries come
>>> out barely warm after a full charge.
>>>
>>> Cheers,
>>>
>>> -Jorge
>>
>> Yes, i know that 1 hour charger make batteries get quite hot. But
>> that's more or less normal for such quick charging. Also you should
>> bear in mind same warning as it goes for Smoothy - in such short
>> time batteries are NOT fully charged - i would say that in 1 hour
>> they have about 60-70% of charge. In order to get full charge, you
>> must leave them in the charger of several hours after quick charge
>> has ended.
>>
>
>
> Yeah, I think he was trying to tell you that you can improve the
> increae the battery life (from purchase to trash can) if you'll
> somehow cool the batteries durring a quick charge.  Which is
> true by the way.  You can as much as tripple or quadrouple the
> battery life by cooling.  A focused collumn of air is as good as
> any I guess for a home made self-rig.

Agreed. Battery packs all have thermal sensor installed to measure
temperature while charging. Problem is only here, because batteries are not
bundled in packs and so temp sensor is not there. That way is either you get
slow charger or like you say, force cool them.