HOW TO MAKE SIMPLE POWER BANK

A SIMPLE PORTABLE POWER BANK WITHIN THREE STEPS.

Step 1: THINGS YOU NEED

7805 IC

1K resistor

LED

USB Port

Battery

battery adaptor

Step 2: CIRCUIT

Make sure that the circuit is connected exactly resembling the diagram.

Step 3: FINALLY

Connect the phone to the USB port with a USB cable.

THANK YOU