タイトルまたは説明

1.Long cycle life:  After ***0 times charge and discharge, the capacity remain *0% of the original one. 2.Small in volume and light in weight The iron-lithium battery is about 1/2 the volume and 1/3 the weight of the lead-acid battery. Thus the performance of the whole bike is improved and the battery can be taken off easily ***** battery to protect environment 4.Very safe and Reliable The iron-lithium battery is more safe and reliable than the lead acid one. It does not explode or burn when bump, heavy stress, needle pricking, short circuit, overcharge and overheat.