Making a damaged PowerBook G4 work on battery | Overclock.net
iBook G4 not booting, battery? | MacRumors Forums
Late 2005 PowerBook G4 will not charge battery, help? | MacRumors Forums
Rebuilding a PowerBook G4 Battery « Keith's Electronics Blog
Making a damaged PowerBook G4 work on battery | Overclock.net
How to fix a broken G4 iBook logic board problem - Macintosh How To
I recently bought this 17" PowerBook G4 for 30 euros. Seller said it didn't turn on. After several days of troubleshooting, I managed to get it fixed! (Details in comments) : r/VintageApple
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DK LABORATORIES
How To Calibrate a Mac Laptop's Power System - NewerTech
My 2004 17" PowerBook G4. Believe it or not this is still my main laptop and I use it daily : r/mac