If the battery of your Protanium bicycle is deteriorated and has lost performance, we offer you the possibility of giving it a second life, replacing the cells that compose it, you will get a new battery in its original casing, and, if the casing allows it, we can increase the capacity of the battery (Ah) to extend its autonomy. We only mount elements of leading brands, we work with Samsung and LG, guarantee your investment in elements of high quality and durability.