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Macbook 2005 battery circuitry?

My macbook 2005 battery was holding its charge so i went to buy a new one and they are over 100$ so i found a website from china selling them for 50$ (yes i know it was going to be fake) When i put the fake battery in the mac it isn't detected or work. So i thought okay they sent me a dead battery but when i press the button on the back of it, it blinks green. So i thought to take the circuitry from the dead one and solder it to the Li-ion battery in new one. They are both 10.8v but the fake one is 59Wh and the original is 55Wh will this make a difference or should it be okay?

Picture of Macbook 2005 battery circuitry?
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Vyger5 years ago
As long as the batteries themselves are putting out the correct voltage and amperage there should not be a problem.

The place to buy cheap battery replacements is E Bay. Since there is a huge amount of customer feedback there bad venders are often very quickly exposed and E Bay will actually ban them from selling if their product is defective or not as advertised.
Aaamazzara (author)  Vyger5 years ago
The batteries them selves are a different make then the real ones. But i dont have a voltage meter to find out. any ideas?
I would say just go for it if you can't borrow or buy a cheap multi-meter. You've got two non-functional batteries, and worst case you'll end up with two non-functional batteries.

If you've got the same number of cells then hopefully voltage will be very close to what it should be.