The lithium battery can be hidden in the frame, which looks simple and stylish, just like the appearance of ordinary bicycle. Not only that, the embedded lithium battery, disassembled quickly, while the bumpy road will not shake the battery off.
The lithium battery can be hidden in the frame, which looks simple and stylish, just like the appearance of ordinary bicycle. Not only that, the embedded lithium battery, disassembled quickly, while the bumpy road will not shake the battery off.