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Open a Lenovo 3000 G410 Battery

One of the common problems with laptops is the deteriorating performance of its battery. Laptop batteries are made up of Lithium Ion (Li-ion). I have a laptop that is more than a year old. Last week, its battery went totally dead. I'm still looking for a replacement. I'm very careful in finding one because most cheap alternatives are poor in performance (with only 45 mins up time compared to the original 3-4 hours). Some are overly priced. I now have a prospect seller and will be purchasing after this post. Well, to continue, out of my curiosity, I opened the battery. The laptop is a Lenovo 3000 G410. Before my exploration, I took the specifications of the battery. It turned out that it's manufactured by SANYO. Here are the specifications:

Battery name: PABAS024
Unique ID: 3658QSANYO PABAS024
Chemistry: LION

I really don't have any knowledge about the hardware. All I know is that it can be charged and discharged. Despite my limited knowledge, I still opened it up and here's how it looks like:
















There are six (6) cells inside which were all interconnected to a chip that would then be in contact with the laptop. I just don't know where the defect is but I observed that there is somewhat a burned section of the chip. I still need to check the other parts. I need a tester though.

It's really expensive to buy a new one but it's worth the experience. I now know the internals of a laptop battery and I'm on a quest to learn by myself on how to fix a laptop battery or at least how to replace those cells with an equivalent. It's quite dangerous but I'm up for the challenge.

Buy that new Lenovo when you get the casino bonus's baccarat and blackjack game strategy!
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