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Easy homemade Li-Pol box

Step 1: What We Will Need

1: Some box, I used 8,5 x 9 x 6 cm

2: Batteries 18650 3,7 V / 2000mAh

3: Some wires

4: Connector

5: Some tools ( solder,,,, )

Step 2: Construction

1: We connect batteries to 3 group by first picture

2: Afer we are put in a box and fix the connector and switch into holes

Step 3: and We Are Done

After construction we can use

I demonstrate the functionality by 12V LED bulb

<p>You can call it BoomBox, cause there is no any shortcut protection =)</p>
<p>Thanks for sharing :)</p>

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