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Is it possible to reconstruct a battery of a laptop with better quality 18650 Cells than that are used by the OEM Manufacturers. eg i have a MSI ge62 6qf with rubbed off LG cells so i cant tell what MAH they are but the battery is designed for 4700-4900mAh. Since i cant buy an OEM battery in my country and it is like impossible to import as a battery will cost 3 times of the said item to import it. So here comes my idea since i have a spot welder in my university and i can buy good quality Panasonic NCR18650B 3400 mAh, can i replace them in the laptop battery

What will be the issues and problems related to the battery Construction except being extra careful in spot welding. What are also the general concepts related to replacing 18650 Cells are laptop cells protected like the ones offered in the market or they dont have protection what is the Role of the controllers in each of battery any help would be appreciated

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  • \$\begingroup\$ Sure thing. This has been done many times. The problem is usually the spot welding and keeping yourself safe while assembling it. \$\endgroup\$
    – winny
    Commented Dec 11, 2018 at 20:13
  • \$\begingroup\$ What is the construction of your battery? Does it have any cells in parallel? Is it 2P3S? \$\endgroup\$
    – Ale..chenski
    Commented Dec 11, 2018 at 22:37
  • \$\begingroup\$ I got 2p3S in configuration. The battery model is m6H by MSI. \$\endgroup\$
    – Mujaddad Ashfaq
    Commented Dec 12, 2018 at 3:54

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