3.7v Li-ion Battery Charging Using a 6v Solar Panel, LM2596 Buck Converter,TP4056 Module

Buy the material link

1) TP4056 Li-ion Battery Charging with Protection Board

Banggoog - https://www.banggood.in/custlink/KKGmCYn5QO

Amazon - https://amzn.to/2YL6bvz

2) LM2596 dc-dc buck converter step-down module =

Amazon - https://goo.gl/pxH5AR

3) 6v solar panel

Banggood-https://bit.ly/3tAdmrf

Amazon-https://amzn.to/3xqxayG