Install our first Android App, Best Digital Signature App Draw Signature available on Play Store: \r \r Visit my website for more: \r In this video you will be learning about Lithium-ion Battery Cell repair guide, and how to charge them again for your Electronics Projects!\r \r Battery Power Ratings: 3.7v - 4.2v\r \r For any kind of question/suggestions leave your comments on YouTube video! Thanks\r \r If you like my videos, please hit like & Subscribe.. More Tutorials Coming soon.