1. Is it OK (i.e. safe) to combine these Li-ion batteries in parallel? In this case the mAh will also add up or not?
2. Is it possible to use the same USB port as input AND output? E.g. In this design is the USB port bi-directional so that it can be used for the "power pack" to charge but -also- to be charged? I believe no, so how do I go about using a second connector in order to "charge" the pack?
3. Again, I do not have formal electronics/engineering education, so, is this way out my league? Or, simply put, should I just forget about it and just use the MintyBoost as is?
Is this a "bad" sign that I do not get between 5 and 5.2V but 0.04V less than 5V? I hope not.
adafruit_support wrote:you should seriously consider using a liPo cell instead of the rechargeable AA's
adafruit_support wrote:Compared with NiMH (Rechargeable AAs) LiPo has a higher energy density, so it packs more power into the same space. But you can't use them interchangeably. LiPo cells are typically 3.7v vs 1.2v for NiMH. And the charge cycles are different, so they need different chargers.
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