Never buy new batteries! Use this trick and you can reuse old batteries.

Installation and testing

• The reused battery is installed in the watch and all connections are checked before turning on.
• If properly assembled, the watch works perfectly again.

Recommendations

1. Safety first: Avoid working with damaged batteries and always make cuts on stable surfaces.
2. Proper tools: Use a precision soldering iron, sharp scissors, and fine sandpaper.
3. Environmental protection: Do not dispose of batteries in the common waste, better reuse them or take them to recycling centers.

Additional Tips

• Store used batteries that are not visibly damaged; can be useful for these types of projects.
• Learn how to weld safely before attempting it on your own.
• You can adapt this technique for other devices with similar compartments.

Conclusion

With basic tools and some creativity, you can avoid spending on new batteries and contribute to waste reduction. This trick is not only economical, but also eco-friendly.