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Just a FYI; there's no such thing as a 9800mAh 18650 cell.

The 18650 form factor tops out at 3000-3300, and that's only if you buy genuine Samsung, Sony, Panasonic or the few other very reputable manufacturers. The physical size of the cell is simply not able to hold more energy than that, it's the limit of the chemical's ability to store energy for the given size. Anything labeled over that is simply lying on the packaging to you so you buy them