How To Revive A Dead Lithium Ion Laptop Battery. A new and healthy battery is required and a circuit should be created. It broke so he let me dismantle it and salvage the Li-ion batteries inside.

For lithium ion batteries you cant restore but you can possibly extend the life of a battery. This allows the cells to be rejuvenated whenever they may seem dead. The batteries should not be left unattended.
I really want to.
Here are a few methods of reviving lithium-ion batteries that appear completely dead. A new and healthy battery is required and a circuit should be created. For example your 18V impact driver with a Makita 18V lithium-ion battery has stopped working. Although a few years ago replaceable batteries were commonplace more and more laptop.

