So I bought 2 LG HB6 18650 pinkies from LiionWholesale. When I got them, one is 3500 mAh, and the other is 1500 mAh. What are the possible consequesnces of this difference? Is it JUST a matter of one dying faster than the other, or could there be more harm done if I use them? They'll be used in a mech mod that only needs 1 18650, so they won't ever be used together. Advice?