Quote:
Originally Posted by pnitin
If you are letting down your battery 9.5 V your are basically killing your battery( actually 10.8V that is 1.8V per cell).
Lead-Acid battery will quickly built lead sulfide layers on plates ( no matter what is battery technology and what manufacturer claims)
you are basically screwing up battery and now it will have much high internal resistance so the you will start seeing voltage drop when you try to take out good amount of current.
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Hence why batteries in FRC have such a low lifetime...
Interesting tidbit.
We don't use batteries from 2011 or earlier. And we're probably going to start phasing out the 2012 batteries too. They start being unable to hold a significant charge.