Corollary
Source status: Source not yet verified by the archive.
If you bring extra batteries, they will be defective.
In context
This law belongs with Murphy's Laws, where small assumptions, timing, and system complexity tend to turn into memorable failures.
Related laws
Keep exploring laws from this topic or browse the full archive for neighboring ideas.
- Browse all laws Search the complete archive.
- Browse categories Find laws by topic.
- Best Murphy's Laws Start with the strongest archive entries.
Improve this entry
Know the original source, a better attribution, or a duplicate we should merge? Report an issue.