In recent years, the phenomenon of illegal modification of electric bicycles has been all too common. Modifying speed, power, voltage... Some merchants, driven by profit, cater to consumers' modification demands and transform originally standard - compliant electric bicycles beyond recognition.? The “New National Standard” stipulates that the

The battery is the core component of an electric bicycle. Its performance and safety directly affect the vehicle's usability and the rider's life safety. Currently, common batteries for electric bicycles include lead - acid batteries, gel batteries, nickel - metal hydride batteries, and lithium - ion batteries.? Lead - acid batteries are the most

In the highly competitive electric vehicle market, Niu Technologies has keenly captured the changing needs of female consumers and launched the female - exclusive new product, Little O.? Yang Kai, the vice president of design at Niu Technologies, said that Niu Technologies' users are mainly young people under 35 years old, with more than 70% being