The links to batteries for sale on the iFixit site redirect to eBay, where the batteries are described as 'used.' Used batteries sound about as appealing as used chewing gum to me.

I have searched since getting my old PowerBook in 2008 and cannot find new replacement PRAM batteries for any pre-1.67Ghz Powerbooks. The PRAM battery he links for the 17-inch 1.67ghz PBG4 is the only one they have.

If you cannot do the above, then OWC, whom K Shaffer has already recommended, is you best resource at this point for a new main battery: Were I in your shoes, I would first consider contacting the seller, especially if the computer was advertised as 'working.' As it sounds like it was in a corporate environment, maybe they have others that actual work.

Most G4s have the PRAM battery integral with and soldered to the right-side USB board-hard to access and even harder to disconnect. The trick K Shaffer mentions about disconnecting the battery from the logic board only applies to certain models of the powerBook G3, whose PRAM battery conveniently has a plug that attaches to the logic board directly under an easily lifted keyboard. A long shot but it has worked for me in the past. Sometimes you can pump just enough life into the PRAM battery to get a boot by removing the main battery, turning the computer off, and leaving it attached to wall power for 24-48 hours. My PRAM battery is dead but, fortunately, I was able to get a new main battery from Apple not long before they discontinued those batteries a couple of yeas ago. My 2003 PowerBook G4 needs either a working main battery or a working PRAM battery to boot. That likely killed off whatever life remained in either battery. Providing new cells to install where there are none direct from the computer maker now.īut it has been a couple of years in storage and wasn't tested. The powerbookmedic site may have parts, so should the iFixit site. The repair guides for Mac have information on specific models on how to do this. PowerBook G4 Aluminum 17-inch repair guide - iFixit: Someįor the 17-inch PowerBook models were available not long ago. You could see if OWC macsales has the replacement PRAM battery, they have a few. Lack of a PRAM/clock battery, or one that is dead, can affect startup in those where needed. Aįew replacement PRAM batteries are still available for those models which need them. To hold a charge would need to be replaced or perhaps disconnected from the logic board. Or PRAM battery which is separate from the main rechargable battery this, if no longer able Depending on the vintage and build model of 'PowerBook' some models have a clock battery

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