I bought my first mac one month ago, its a new uMBP 15". CoconutBattery and iStat Pro weer installed in the first day, to keep an eye on the battery health. I noticed that the original (after 1 cycel) battery capacity was around 6900 mAh, 400 mAh more than Apple's standart to this model(6500 mAh). But the thing that diving me mad is the rate of the capacity drop! Every one cycle the capacity drops in aprox. 50-100 mAh [it was ~50 mAh in the frist 10 cycles, and now its ~100 mAh per cycle] The battery now is on 19 cycles and 6300 mAh- 97% of 6500, but actually its 92% of 6900. Apple claims that the newer battery can hold 80% of its capacity after 1000 cycles. but if my battery keep it this way... it will reach the 80% on 50 cycles. Is that normal? Should I worry about it?