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LED Wine Charms

Step 4Prepare the battery

Prepare the battery

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The critical part is that positive and negative leads are welded to the battery at the factory. Don't try to solder directly on a lithium-ion battery yourself, it might blow up in your face.

Follow along in the photos...

1. Unmodified batteries.

2. Bend one lead over.

3. Flatten the other lead.

4. Bend one of the skinny leads down.

5. After bending one of the skinny leads.

6. Cut off the excess.

7. Bend the lead back up.

8. Ready for use.

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Author:billr