9-volt battery testing & why open-circuit voltage is meaningless

Описание к видео 9-volt battery testing & why open-circuit voltage is meaningless

After replacing several 9-volt batteries with brand new ones, I'm left with a bunch of old batteries in various states of charge and condition. Are any of them still worth keeping? Perhaps, but just measuring the voltage isn't necessarily much help...

Previous video:    • Energizer "industrial" batteries - 3x...  

0:00 - Introduction
0:23 - Testing
6:13 - Notes & Conclusion

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