New Powerbook 145 battery?-where?

You may look at powerbookguy.com-but it's not that cheap!

You are right-you can get the whole PB145 on ebay for that.
I've got my PB190- battery from sunrem.com-6$ +shipping.

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If it is of any help to you to know it, the M5653 battery was specific to the PBs 145b and 150. The PB 145 used the M5417 battery. However, Apple's kb article 16168 goes on to promise that both 145s can also use (perhaps I should rather quote the article as saying 'are compatible with') the M5654 battery. This last was used in the PBs 160, 165, 180. You have quite a wide choice, therefore, if you go shopping. The trouble is that they are all NiCd batteries of more than a dozen years' age, unless they have been recelled or newly manufactured.

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Just found on ebay.de:
look at 8717425192
Three for 145,one dead,one short,one one hour left.
IF you need translation post back-

Search eBay for 'PowerBook 140 battery'. There are a couple companies that produce new batteries for only $29. (To make it even better, they have higher energy capacity, so your PB should run even longer.)

Be sure to pick one of the ones that says New to make sure you have one of the new/remanufactured ones, not an old one that's probably also dead.

Here's one with a one-year warranty: http://cgi.ebay.com/New-Apple-Powerbook-140-150-160-battery-NiMH-4-2A_W0QQitemZ6 819613336QQcategoryZ11169QQrdZ1QQcmdZViewItem