12Ah12V 2,LiMnO2 material 3,Pass RoHS,CE test 4,flexible size(customer design) 5, ... , newness appearance to cooperated bicycle design.2, excellent environment resilience.3, Stable performance.4, Flexible size to meet the customer design ... .4, Tests items we provided1,needle experiment2,frequency vibrating test 3,heavy impacting test4, cold and hot shock tests 5,high ...