OK, let me talk more about battery.

I worked with my charger for quite long.
I found: ending method
dV and -dV, T rising do exist, but
they exhibit really in the  messy way and seldom
identical, for even same battery, same SW and 
same HW. I now believe how the bettery 
have been used, discharged, the betteries 
are used in RC, digital CAM, flash light, 
on/off once or experienced many on/off, all lay a leg 
on battery ending behaviors when you recharge them.

Unrealiable and useless are my conclusion
to dV or T rising ending method.
 
Now I am trying a totally new charging concept
and hope to cope with the complexity. Main method
is pulsing.







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