Sharp Actius PC-MM10 Muramasa Battery Shell and Dummy Battery
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Sharp Actius PC-MM10 Muramasa Battery Shell and Dummy Battery
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a replacement battery case and dummy battery for the Sharp Actius PC-MM10 Muramasa laptop.
This was one of the thinnest laptops of the early 2000's and is even thinner than the first gen Macbook Air 11 inch. It was released in 2003 and predates the Netbook era by a good 5 years.
This laptop is so small that after using it for a while, it made the Macbook Air 11 feel as big the 13!
If you've never replaced the cells in a laptop battery and you're not prepared to deal with a lithium battery fire, then please do not attempt to do what I did and use the dummy battery instead!
The battery on my MM10 no longer held a charge, so I pulled the BMS circuit out of the original battery pack and rebuilt a case for it.
I used 103450 LiPo cells and removed the BMS on each cell and soldered the raw cells to the original BMS in series.
The BMS cover goes on first, then the top cover. I used superglue I applied with a paper clip to attach the parts together.