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

Greg Goodwin drclu at swbell.net
Wed Jul 15 11:04:38 EDT 2015

Actually been thinking of setting up a System 9 machine.  Good for games 
and Newton utilities like Newton Press.

On 7/15/15 9:42 AM, vladkorotnev at gmail.com wrote:
> I have a PDQ G3 and it seems it will be getting a new battery eh :)
> iPhoneから送信
> On Wed, Jul 15, 2015 at 5:21 PM, Lord Groundhog<lordgroundhog at gmail.com>
> 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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> http://newtontalk.net/

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