DIY Solar Power Bank from Old Laptop Battery

Learn- How to make a Solar power operated USB power bank at home. i used a old laptop battery for this project and two module which is 5v charging module and power booster. inside of laptop battery i got 6 individual cell (Samsung 18650) and each cell has 3.7 volt 2600mah power but i used only 4 cell. Required Material- 1. 5Volt Charging Module 2. Power Boost Module(5v, 1amp) 3. Small solar panel 4. Old Laptop Battery 5. On-Off Switch 6. Box. Thanks for watching my video. Please subscribe my channel for more cool stuff.