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This back up will help you charge your laptop , phone or any other electrical device in any emergency .

Step 1: What to Do

 Connect 11   9 volt batteries in a series pattern. (as shown in the video attached).

Step 2: Adding a Switch

connect the positive of the battery  to any side of the switch, using another wire connect the other side of the switch as shown.

Step 3: Inserting a Point.

take a point and connect the positive wire passing trough the switch in one of its end  and the other side of the point to the negative side  of the battery as shown .

Step 4: How Does It Work

in this video i will show you how does it work .
This backup will help you charge your electrical devices in any emergency.
very helpful project . <br>intelligent boy . <br>

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More by apaar dua:Arduino powered traffic light Home security alarm Mini emergency electricity backup 
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