This is  1200 mAh Li-Ion Rechargeable cell is good quality  Product.  We are providing good  Rechargeable Li-ion 18650 Cell at the best price in the market for our retail and bulk customers. These are powerful cells with a higher number of life cycles and charging capacity compared to other cells. It tested & guaranteed 1200mAh capacity. So many sellers selling the same looks batteries  & claim Samsung Original. So please avoid those sellers. Just buy one pc from us & try it out you can get the difference.