Battery Charging Efficiency Change With Age?

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geoheath

Member
Joined
Apr 23, 2016
Messages
5
Location
Vancouver Island, Canada
We all know that as the lithium ion battery ages and accumulates charge cycles its capacity to store electricity is reduced. My question is, does the charging efficiency also decline? That is, does the ratio of energy in vs energy out also take a hit? Can someone direct me to a technical source that answers that question?
 
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