HOW TO MAKE SIMPLE POWER BANK

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Introduction: 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

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    10 Discussions

    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
    user
    Sy333

    2 years ago

    Is the 7805 ic just a regulator

    how can you recharge the battery source???

    0
    user
    gormly

    2 years ago

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

    1 reply
    0
    user
    cjdlr

    2 years ago

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

    1 reply