engineering question #2185
Joaquin Cornejo, a 30 year old male from Los Angeles asks on July 25, 2004,Q:
Why do dry cell batteries (rechargeable) need to be fully drained before they can be recharged?
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It has to do with complicated changes in the crystalline structure of cadmium materials inside the battery. It's really only a problem with NiCd batteries. The best explanation is given by Isidore Buchmann in Vancouver, Canada.