Battery charge limiting

[Dmitry Kolosov]

Is there a way to limit maximum battery charge level in FreeBSD?
As for common notebook battery usage recommendations - the best way to prolong 
your battery life is to install and use software (available on windows), that 
limits maximum charge level on about 80%, not giving battery to charge full. 
so, it possible software-way, depending on (?) battery's controller. 

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