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The PowerBook 500 Series was released in May 1994 and includes 4 models: the 520, 520c, 540, and 540c. Although the specs may differ, repairs and upgrades for one will be applicable to all other models.

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Best way to replace/fix clock pram battery for PowerBook 500 series?

It seems that We Love Macs once sold a replacement clock pram battery for the Powerbook 500 series, however it is no longer in stock. What would be the best strategy for replacing/fabricating a new one? Is there another one that would work just as well?

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1 Answer

Chosen Solution

Apple part # 922-0786.

Well that's hard to find but here it is:

https://www.applemacparts.co.uk/powerboo...

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Brilliant, thank you!

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Nate will be eternally grateful.
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