Empty Battery : MBP goes off instead of hibernate

hello !

encounter big issue macbook pro 2010 since 3 months, when battery become empty, instead of going sleep-hibernate, mbp goes off, don't understand why, i'm using mac os x lion , never used app smart sleep,

here coconut battery report :



problem come battery needs changed ?

lot

 

you must person mbp 2012. work apple?

 

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