1.Lithium battery:Products by UL and CE certification and registrations of the safety inspection, safe and reliable;Service life is 3 times of lead-acid batteries, the basic do not need to change - long life;Weight is the 1/3 of lead-acid battery, light weight; Products with high voltage and powerful, climbing speed fast, high energy; Recognized as a green energy, no any pollution in the whole process of the production and use. 2.Battery：Hidden in the center of the pedal beneath the surface, force equilibrium, small,light, safe.
