Lithium-ion electric bicycles are lightweight electric vehicles powered by lithium batteries. They feature a folding frame and a patented built-in battery design. The total weight is approximately 16 kg, and the folded volume is 0.7 × 0.3 × 0.6 cubic meters, making them easy to carry and use for public transportation. They can also be placed in a car trunk or taken upstairs for charging after folding [1]. The new national standard implemented on December 1, 2025, stipulates that the maximum weight of an electric bicycle is 55 kg.
This model is equipped with a ternary polymer lithium-ion battery, which has stable low-temperature performance and small size, with a normal service life of 3-5 years. The safety system includes a controller, protection board, and a three-level protection mechanism for the battery, effectively preventing overcharging and over-discharging risks. Compared with traditional lead-acid battery models, the weight of the lithium battery is reduced to less than 4 kg, solving the problem of carrying and charging. The core technologies are all independently developed, and the line layout is optimized through parallel line technology to achieve efficient energy utilization. The body design incorporates ergonomic principles to meet the needs of urban commuting and short-distance travel.
