Is your phone dying?? Do you need to charge it ?? But do you happen to be on the go?? well in that case this project shall come very handy to you!!!!!
Step 1: Things You Will Need!!!!!
You will need the following:
A lithium li-ion battery
A A4 size cardboard [to make the cover you can make your own with other materials too]
A phone charger
A lithium li-ion charginng module
Step 2: Solder
Solder the charger to the lithium li-ion charging module and solder the battery to the module.
Step 3: Making the Cover.
You can make your cover with any material and any size but I chose this piece of cardboard
Step 4: Finished!!!! :D
and here is your final product. Enjoy it and please do vote.