PCB Repair

A client brought in a board that had some damage due to battery leakage. It was an old VARTA 2.4V battery which I can only guess was made up of two NiCd cells. At first glance the board was OK but after removing the battery I found that some of the acid had settled underneath it.

This is what the board looked like after the battery was removed









I cleaned the board with baking soda and vinegar to remove the acid residue and rinsed it with clean water afterwards. In this photo you can see five tracks that had been damaged.











Thin wire was soldered in after tracing the broken tracks.








Final Thoughts

Always, always remove your on board battery holders and replace them with something like this. Double check the polarity!
















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