HOW TO MAKE SIMPLE POWER BANK

Introduction: HOW TO MAKE SIMPLE POWER BANK

A SIMPLE PORTABLE POWER BANK WITHIN THREE STEPS.

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

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

Be the First to Share

    Recommendations

    • Trash to Treasure Contest

      Trash to Treasure Contest
    • Raspberry Pi Contest 2020

      Raspberry Pi Contest 2020
    • Wearables Contest

      Wearables Contest

    10 Discussions

    0
    olvegrn
    olvegrn

    3 years ago

    is it possible to connect a solar cell to it? as long as it is under 5 volts? that way you can just charge straight from the cell without using any batteries?

    0
    Sy333
    Sy333

    3 years ago

    Is the 7805 ic just a regulator

    0
    DhanicoG
    DhanicoG

    3 years ago

    how can you recharge the battery source???

    0
    gormly
    gormly

    3 years ago

    You might want to explain to readers what the 7805 IC and 1K resistors are for.

    0
    Sreerag Nair
    Sreerag Nair

    Reply 3 years ago

    Ok. Thank you

    0
    DIY Hacks and How Tos

    Nice power bank. You could also use an LM317 chip to make the output adjustable.

    0
    Sreerag Nair
    Sreerag Nair

    Reply 3 years ago

    Thanks

    0
    Maximilian Rainer
    Maximilian Rainer

    Reply 3 years ago

    But you wouldn't want an usb port with adjustable voltage ;-)

    0
    cjdlr
    cjdlr

    3 years ago

    is it possible for 12v. like connecting the circuit to your car battery?

    0
    Sreerag Nair
    Sreerag Nair

    Reply 3 years ago

    Yes,you can use it.