Battery Total Capacity Decreasing

Joined
Mar 20, 2015
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Recently I noticed that the total capacity of my TB47 battery dropped from usual 4500 mAh to 4244 mAh. No extreme flights at all, very gentle and safe flying and landing with ca. 40-50% left (brake-in period). The battery has been charged 10 times so far and after that the recommended deep-discharge to below 5% has been carried out as well.

So, have you experienced decreased total capacity? I don't think this is normal, at least not so soon, right? Do you think it will go up again, or does it mean faulty unit? See attached pic
 

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