How to repair lithium ion batteries and reuse them in your electronics gadget and electronics projects but first question is that where and how to get lithium batteries for Free? and the simple answer is your old laptops yes you got it correctly your laptop battery contains 3.7v li-ion cells, so if you have your old laptop battery laying around then grab it and force open it you may find 3-12 this number will vary depending on your laptop’s brand and capacity.
Fix Laptop Battery by using the same trick
Watch the video tutorial below to learn the secret method of fixing dead battery
How to repair li-ion rechargeable batteries video tutorial:
It’s really easy fix which I have been showing you in the video, but if you still have any kind of question regarding how this secret fix repaired the lithium battery cell then leave your query in the comment section below and I will definitely respond to you as soon as possible.