Cheep & Simply USB Charger

Intro: Cheep & Simply USB Charger

Have seen many attemps to make a battery charger for mobil etc.

They are all expensiv and difficult to make :-(

My idea was to make a cheap charger with thing that many of us have at home

1:

Take your auto USB charger and solder a red wireon the bottom plug a blue on the side put on lugs on the ends.

Step 1: Step 2

2:

Find a batteri you have for gardentool or tools must be at 12-24 volt

Charges it as usual

Push the + and - lugs on the battery (REMEMBER POLARITY)

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