[NTLK] Re-celling G3-era laptop batteries -- DON'T THROW OUT THE OLD BATTERIES!

Greg Goodwin drclu at swbell.net
Wed Jul 15 09:01:36 EDT 2015


Good luck with the G3.  Had a Lombard once.  Great machine.



On 7/15/15 7:21 AM, Lord Groundhog wrote:
> ~~~ On 2015/07/14 19:05, Frank Gruendel at newtontalk at pda-soft.de wrote ~~~
>
>>> Is there anywhere reliable I can get G3-era Mac laptop
>>> batteries professionally re-celled?  (Pismo / Lombard /
>>> Wallstreet / clamshell iBook)
>> Seems they are still available the standard way:
>>
>> <http://preview.tinyurl.com/pjy4dob>
>> <http://preview.tinyurl.com/oeu8hem>
>>
>> Cheers
>>
>> Frank
>>
>> -- Newton software and hardware at http://www.pda-soft.de
>>
>>
>> ----------------------------------------------------------------------
>>
>> http://newtontalk.net/
>
> Back in the day, when my Pismos were the only game in town for me, I came
> across a company who would do rebuilds with Li-Ion cells if you sent the old
> battery.  Unfortunately, I lost a load of bookmarks including that company.
> They still may be out there but it may take some searching.  I no longer
> remember anything useful about them.
>
> That service I never used because I was in a hurry and found a great source
> of new batteries from a company called Powerbook Medic<powerbookmedic.com>.
> At the time they were selling new batteries of higher specs (7800 mah);
> AFAIK they now only provide used batteries but you'd have to check to see if
> they still can provide new ones.  (FYI, they also sell the PRAM batteries
> and other useful items for older computers in case you need such.)
>
> Using 2 Powerbook Medic batteries (for those who don't know, a Pismo will
> carry 2 batteries at once by swapping out the CD/DVD player) I was recording
> up to 13 hours of uninterrupted work time.  That's more than enough to fly
> between the UK and the US, for example, and work the whole time except
> take-off and landing, and still have enough work time left over if I needed
> it.
>
>
>
>
> I just did a quick search for "recell pismo battery M7318" and found this:
> http://www.batteryrefill.com/laptops/apple/PowerBook_G3_Lombard.phtml
> (Note:  this battery also fits the Pismo.)  It's not the same company but it
> seems to offer the same service:  you end up with new cells that will yield
> higher capacity.
>
> You can do a similar search to find such sites in your own geographical
> area.  There seem to be more of them than I expected.
>
>
>
>
> One more thing.  Back then, I also found instructions somewhere explaining
> how to recell a Pismo battery pack yourself.  I don't know who that was
> either -- another lost bookmark.
>
> So, doing another search, I came to this:
> http://people.wallawalla.edu/~Rob.Frohne/Powerbook/Pismo/Battery/
>
> Plainly, he demonstrates the useful basic steps, but he also reports
> shortcomings with his method.  Perhaps someone here with more understanding
> of such things will see how to do better?
>
> There's also this:
> http://lowendmac.com/ed/hatchett/08jh/inside-powerbook-battery.html
>
>
>
> There seem to be some others as well, but I can't evaluate the instructions.
> I suspect that the instructions I've linked, if combined with sufficient
> electrical knowledge and a reasonable bit of practical skill, could be
> sufficient to carry out this operation successfully.
>
>
> Incidentally, this is a good general site for all things Pismo (and all
> things older-Mac):
> http://lowendmac.com/2000/pismo-powerbook-2000-firewire/
>
>
>
> So yes, don't be too hasty getting rid of old batteries.  The shells can be
> re-celled, if not by you, at least by someone else.
>
>
>
> PS -- there was also a G4 upgrade (and it's still available, I think) but I
> only put that on one Pismo.  In the end I decided it reduced the battery
> life by more than the speed boost was worth to me.
>
>
>
> Shalom.
>
> Christian
>
> ~~~ ~~~ ~~~
>
> Pismo: so beautiful, you know you want one!
> http://www.ahinfo-systeme.ch/quickime/PowerBook_g3.htm
> http://www.lowendmac.com/webb/04/0329.html
>
> ~~~ ~~~ ~~~
> Get MUGged and love it: http://www.oxmug.org/
>
>
>
>
> ----------------------------------------------------------------------
>
> http://newtontalk.net/
>




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