1. Built-in Li ion battery, cylinder 18650 core, supply strong power to electric bicycle;
2. Intelligent protection system to provide: short circuit protection, over-current protection, over-charge protection,over-load protection, over-heat protection etc
3. Choose brand raw material, with one point nickel welding + full auto welding technique to make sure quality.
2. Intelligent protection system to provide: short circuit protection, over-current protection, over-charge protection,over-load protection, over-heat protection etc
3. Choose brand raw material, with one point nickel welding + full auto welding technique to make sure quality.