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Model M8413 or A1007 / 600, 700, 800, or 900 MHz G3 processor

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Battery will not fully charge

Have a iBook G3 900mhz 14 inch. Was working fine, but the battery gave out. I replaced the battery with a cheapie from ebay. The battery would only charge for a few minutes, then my charger would glow to green, even if the battery was not fully charged.

I reset my PMU and it would charge again for a few minutes, but then it would stop charging. If I keep re-setting the PMU, I can fully charge the battery and the iBook runs fine on the battery.

I thought it could be the DC in, so I replaced it, but same problem. Is this likely a problem with the battery of with the logic board. I do not want to spend more on another battery if that is not the problem.

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Download and run Coconut battery to see what you got on eBay and the condition of it. http://www.coconut-flavour.com/coconutba...

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Thanks, downloaded coconut, says current battery charge is 94% capacity is 4400 mAh. battery-loadcycles 10. charger is connected and the battery is NOT charging.

As I said, I was only able to charge the battery by resetting the PMU many times. If I run down the battery, it will not charge unless I reset the PMU. After that it will recharge for a few minutes, then stop charging, adding only a few percent at a time to the battery capacity. Do you think this is a battery issue or something else?

Thanks for your help!

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Will the machine run without the battery in? What are the last three letters of your serial number?

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Yes, the machine will run plugged in (of course), with out the battery. My serial number ends in …RPF3

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Here's your machine:

Apple iBook G3/900 14-Inch (Early 2003 - Op) Specs

Identifiers: iBook - Early 2003 - M9009LL/A - PowerBook4,3 - A1007 - N/A

I would replace the battery connector, it's under $10: [关联产品丢失或禁用： IF151-017]

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I will give that a try, will let you know if that does it.

thanks!

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You can try calibrating the battery by working on battery power (not plugged in) until it's copletely dead. Than recharge. Repeat the cycle a couple of times. This sometimes help, especially with third party batteries.

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Thanks, I will give that a try, but since the battery stops charging and only shows that is partially charged until I reset the PMU and start charging again, I do not think it's a calibration issue. I would assume that if it were a calibration issue, then the battery would say it was 100% charged when it was not. If I reset the PMU enough times to fully recharge the battery, I believe that the battery is fully charged. What I am trying to determine if the problem lies with the battery or the logic board.

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