This Project is Solar Based Power bank at home with the use of dead mobile phone's battery. We can use any battery equivalent to mobile battery with the same schematic.
Solar Panel will charge the battery and we can use the battery's power to charge mobile later.

You can find the schematic in Video.
Component Required:
1x Solar Panel 6V output
1 x Mobile Phone Battery
1 x TP4056
1 x USB Boost Converter