Advantages 1) super longevity .Its cycle can reach as long as 2000times which is 7-8 times of SLA . 2)no pollution .Our battery is absolutely green product,while LiCoO2 and SLA cause serious pollution to the environment . 3) high security .Our battery is 100% safe lithium battery in the world .It will never catch fire under worst condition . 4)can discharge with high drain . 5) The voltage of the single cell is 3.2V which is higher SLA,NI-MH ,NI-CD.