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Not pedantic; just accurate. There IS no on/off switch, physically or logically, on MBP batteries. It does NOT switch off and on.

Why does the amperage from the battery go to 0 then, when charging is complete?

If the circuit was still in use, wouldn't there be a registered flow of energy?
 
Why does the amperage from the battery go to 0 then, when charging is complete?

If the circuit was still in use, wouldn't there be a registered flow of energy?
Because the MagSafe adapter stops charging the battery when it's full and, except for periods of extreme demand, the MBP runs on AC Power alone, not drawing from the battery. The battery is not "turned off"; it's simply not being charged or used.
 
i know that the battery health fluctuates. mine is currently at 97% its been there for a week or so now. anyways, i just checked coconut battery and it says max battery charge = 6740 mAh. when it should be 6900 mAh. ive only had this mbp for a month...is there anyway to get it back to its full capacity? i'm just wondering if this is normal even for brand new mbps?

i'm going to be calibrating my battery again soon, hoping thats the answer.
 
i know that the battery health fluctuates. mine is currently at 97% its been there for a week or so now. anyways, i just checked coconut battery and it says max battery charge = 6740 mAh. when it should be 6900 mAh. ive only had this mbp for a month...is there anyway to get it back to its full capacity? i'm just wondering if this is normal even for brand new mbps?

i'm going to be calibrating my battery again soon, hoping thats the answer.

If you already know that battery health fluctuates, why are you asking? 6740 is 97% of 6900. It will fluctuate up and down over time. Yes, even for a brand new battery this is normal.
 
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