>
> Hi Robert & Paul
>
> I don't have an answer for either of you.
> I didn't buy either of these books new. I also bought them from the
same
> company. Maybe they weren't the original batteries. Who knows. They
were
> commercially built though. I only know what I read, and the fact
that I've
> been running
> standard lithium batteries in there place in a pack that I built for
over a
> year with no hint of a problem.
>
> Regards
> Dean
>
>
>
> ----- Original Message -----
> From: "Robert Newman" <[EMAIL PROTECTED]>
> To: "Duo/2400 List" <[EMAIL PROTECTED]>
> Sent: Wednesday, February 21, 2001 4:48 PM
> Subject: [Duo2400] Re: PRAM battery
>
>
>> >
>> > Ok Stan.
>> > Must be the case for the 2400 then.
>> > The PRAM battery's I've rebuilt in both of my 520's were Non
>> Rechargeable
>> > Lithium cells. This was Stamped on the battery itself "do not
>> recharge"
>> > Also two of the performa models I've owned have had Non
Rechargeable
>> > Alkaline. And (please forgive me list) the CMOS
>> > battery in my think pad 560 is also the non rechargeable type.
>> > So its obviously not the same in all models.
>> >
>> > Thanks every one for the incite.
>> > Dean
>> >
>> Greetings:
>>
>> This is not the case for my PB520c or my PB540c. Both say
>> "Rechargable" and have three leads. Don't know why yours would say
>> "do not recharge", were there 2 different circuits?
>>
>> Robert
>>
Dean:
I find this interesting. I have often thought that standard lithium
3v coin cells should work, and would be easier to come by. We sell
them at my shop for use as data batteries in cameras. However, when I
made a battery pack (closely following the polarity) they started
overheating in my 520c and I quickly yanked them. Does your backup
pack have two or three leads?
Thanks,
Robert Newman
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