MacBook Air 13" early 2015 8 gb ram


i have 18 battery cycles on mba. how can tell if have battery? guidelines or parameters?

charge information:

charge remaining (mah): 5701

charged: no (87% per activity monitor write this)

charging: no

full charge capacity (mah): 6818

also, wifi go "off" when close mba, or should shut off manually save power usage?

novice , not sure if asking stupid question.

thank you.
 

that's still good, battery should last 1,000 cycles or so. wi-fi automatically shut off unless have power nap on, in case mac check updates while it's asleep.
 


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