2012 Retina 15" MBP turns of before battery runs out...


ok guys. i've gotten great mileage out of thing, 2012 mbp keeps turning off @ around 45%, , says plug in because battery dead. ran coconut battery , says copacetic. i've reset smc, , pram without noticeable change.

ideas?
 

odds it's battery. have @ powermanagement log in console, should log reason why turning off.
 


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